2P/Encke
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.59,
16.5,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
30.91,
17.4,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
30.81,
16.3,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
30.80,
17.3,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
30.79,
17.4,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
29.89,
17.7,
0.15'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.82,
17.1,
0.17'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
29.31,
16.8,
0.4'
(D. Swan,
UDRO, nr Beryl, Utah, USA,
0.279-m
Schmidt reflector + CCD);
   
28.56,
16.9,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
28.02,
17.5,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
27.51,
17.0,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
21.87,
17.5,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
20.88,
16.8,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
20.75,
17.3,
0.22'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
20.61,
17.0,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
20.56,
17.6,
0.1'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
   
20.03,
13.8,
0.4'
(W. Kutschera,
0.508-m
Newtonian + CCD);
   
19.97,
17.5,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
19.88,
16.8,
0.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
19.55,
17.1,
0.35'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
18.79,
16.3,
0.3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
18.78,
16.7,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
18.77,
17.3,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
18.70,
17.1,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
18.68,
16.8,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.93,
17.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.50,
17.4,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.28,
17.0,
0.5'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
   
17.05,
16.7,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.05,
17.4,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.04,
17.2,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
16.88,
17.3,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.84,
17.0,
0.19'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
16.67,
17.2,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
16.52,
16.9,
0.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
15.87,
17.3,
0.15'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
15.55,
16.7,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.57,
16.8,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.11,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
13.85,
17.0,
0.21'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
13.83,
17.2,
0.19'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
13.79,
16.9,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.78,
17.4,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.78,
17.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.97,
13.6,
5.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
12.94,
14.0,
5.3'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD);
   
12.92,
16.9,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.91,
17.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.91,
17.4,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.78,
17.3,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
12.77,
17.4,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
12.77,
17.2,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
12.67,
17.3,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
12.50,
17.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
11.95,
17.4,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
11.92,
16.5,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.92,
17.3,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.92,
17.3,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.85,
17.8,
0.29'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
   
11.68,
17.3,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
10.64,
17.2,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.78,
17.8,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.77,
17.3,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.60,
16.9,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.53,
17.1,
0.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
09.09,
17.4,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.59,
17.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.51,
16.8,
0.09'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
   
07.98,
17.7,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
07.93,
17.1,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.80,
17.1,
0.18'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
07.79,
16.8,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.78,
17.5,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.78,
17.1,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.77,
16.8,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
07.76,
17.2,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
07.75,
17.1,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
07.65,
17.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
07.59,
17.3,
0.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
07.51,
16.8,
0.08'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
   
07.49,
17.3,
0.2'
(Y. Yamaguchi,
0.13-m
Refractor + CCD);
   
07.48,
16.8,
0.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
06.85,
17.3,
0.19'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
06.79,
16.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.78,
17.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.78,
17.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.71,
17.3,
0.35'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
06.65,
17.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
06.19,
17.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
06.07,
16.0,
1.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
05.78,
17.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.78,
16.8,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.78,
17.5,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.49,
17.2,
0.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
05.16,
17.7,
0.15'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
03.81,
16.9,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
03.80,
17.3,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
10P/Tempel
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
nov
01.83,
10.6,
6'
(J. Gonzalez Suarez,
0.203-m
Schmidt-Cassegrain);
oct
31.39,
11.8,
1.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
29.69,
11.7,
2.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
29.53,
11.6,
3'
(A. Pearce,
Nedlands, W. Australia,
0.075-m
Refractor + CCD);
   
29.42,
11.0,
5'
(C. Wyatt,
0.4-m
Newtonian);
   
28.51,
10.7,
4.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
28.42,
11.6,
2'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
27.56,
10.9,
5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
27.13,
11.2,
5'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
   
26.92,
10.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
   
24.53,
10.8,
5'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
23.56,
11.1,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
23.55,
11.2,
4'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
21.48,
11.4,
2'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
20.55,
10.9,
5'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
20.52,
12.4,
1'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
   
20.24,
10.5,
5'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
   
19.65,
10.9,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
19.61,
11.2,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
19.55,
10.7,
6'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
18.93,
11.2,
3'
(J. de Souza Aguiar,
Campinas Brazil,
0.05-m
Refractor + CCD);
   
17.53,
10.5,
1.6'
(O. Miyazaki,
0.32-m
Newtonian);
   
17.44,
10.8,
3.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.43,
11.3,
2'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
16.89,
11.1,
4.1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.65,
10.8,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
16.53,
10.5,
5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
16.51,
10.7,
6'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
16.08,
9.9,
0.8'
(S. Aguirre,
Real del Molinito, Son. (MPC XXX),
0.05-m
Refractor + CCD);
   
15.65,
10.6,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
15.51,
10.5,
7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
15.19,
10.4,
6.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
14.51,
11.8,
3'
(O. Miyazaki,
0.32-m
Newtonian);
   
13.60,
10.7,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
13.56,
10.2,
6'
(A. Pearce,
Nedlands, W. Australia (MPC P14),
0.075-m
Refractor + CCD);
   
13.51,
10.7,
5'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
13.45,
11.2,
1.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
12.64,
10.5,
4.9'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
12.57,
11.1,
3.3'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
   
12.57,
10.7,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
12.53,
11.3,
1.8'
(O. Miyazaki,
0.32-m
Newtonian);
   
12.50,
10.3,
7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
11.65,
10.5,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
11.54,
10.3,
1.7'
(O. Miyazaki,
0.32-m
Newtonian);
   
10.97,
10.6,
5.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
10.53,
10.7,
1.4'
(O. Miyazaki,
0.32-m
Newtonian);
   
10.49,
11.2,
2'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
10.26,
12.0,
2.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
   
09.56,
10.3,
1.4'
(O. Miyazaki,
0.32-m
Newtonian);
   
09.50,
11.0,
2.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.46,
11.1,
2'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
09.18,
10.1,
6.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
08.95,
10.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
   
08.92,
10.5,
5.4'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.85,
9.4,
6'
(J. Gonzalez Suarez,
0.203-m
Schmidt-Cassegrain);
   
08.58,
10.3,
3.1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.57,
10.7,
1.4'
(O. Miyazaki,
0.32-m
Newtonian);
   
07.96,
10.2,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
   
07.91,
10.2,
4.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.51,
10.6,
1.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
06.70,
10.0,
7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
06.53,
10.2,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
06.50,
9.8,
4.7'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
06.41,
10.0,
3.3'
(C. Wyatt,
0.25-m
Newtonian);
   
05.54,
9.9,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
05.50,
10.0,
7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
05.24,
10.4,
5.1'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
   
04.54,
10.0,
7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
04.52,
10.2,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
04.16,
10.1,
7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
11P/Tempel-Swift-LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.66,
15.8,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
   
30.93,
15.9,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.94,
16.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.89,
15.1,
0.29'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
22.57,
16.0,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
22.11,
15.3,
0.9'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
21.17,
16.3,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
20.77,
17.1,
0.22'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
20.60,
16.2,
0.2'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
   
19.99,
16.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
19.62,
16.3,
0.29'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
   
18.56,
16.2,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.95,
16.7,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.48,
16.4,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
16.90,
16.6,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.81,
16.9,
0.25'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
15.89,
16.6,
0.38'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
15.08,
16.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
14.61,
16.1,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
13.87,
16.6,
0.25'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
0.9'
tail in p.a. 223 deg);
   
13.86,
17.1,
0.21'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
12.92,
14.2,
4.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
11.97,
16.8,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
11.95,
16.2,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
   
10.98,
16.6,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
10.69,
17.0,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.67,
17.0,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.49,
16.6,
0.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
08.30,
16.0,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
07.77,
17.6,
0.21'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
07.56,
16.3,
0.2'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
   
07.24,
17.1,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
07.14,
16.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
06.83,
17.7,
0.21'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
06.68,
16.5,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
05.96,
17.3,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
05.96,
15.3,
1.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
03.84,
16.9,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
03.83,
18.0,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
03.82,
17.4,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
14P/Wolf
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
16.89,
18.7,
0.17'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
15.81,
18.8,
0.21'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
13.89,
18.6,
0.18'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
13.78,
18.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
08.24,
18.5,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
07.86,
18.3,
0.18'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
06.90,
18.9,
0.18'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.83,
13.6,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
31P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
19.02,
19.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
13.00,
20.3,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
06.01,
20.2,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
47P/Ashbrook-Jackson
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
18.18,
19.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
12.04,
20.2,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
06.05,
20.3,
0.11'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
65P/Gunn
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
29.84,
18.1,
0.21'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
20.64,
18.6,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
19.03,
19.0,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
18.72,
18.5,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
16.74,
18.5,
0.25'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
15.34,
18.0,
0.3'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
13.89,
18.4,
0.25'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
12.98,
19.1,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
11.70,
18.6,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
08.09,
19.1,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
06.75,
18.3,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
03.85,
18.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
78P/Gehrels
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.02,
15.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
30.76,
14.8,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
30.05,
15.7,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.14,
14.3,
1.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
28.74,
15.2,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
28.20,
15.1,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.4'
tail in p.a. 287 deg);
   
27.99,
14.4,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
23.15,
14.3,
1.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
22.77,
14.8,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
   
22.17,
14.7,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
22.09,
15.0,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5.8'
tail in p.a. 281 deg);
   
20.81,
14.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.6'
tail in p.a. 278 deg);
   
20.22,
14.7,
0.7'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.02° tail);
   
20.12,
15.4,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
20.04,
16.0,
0.15'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
19.81,
14.9,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
18.16,
15.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.72,
15.0,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 276 deg);
   
17.50,
15.4,
1.2'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 277 deg);
   
17.17,
14.8,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
17.04,
14.2,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 278 deg);
   
17.03,
14.5,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.5'
tail in p.a. 280 deg);
   
17.03,
15.1,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.2'
tail in p.a. 277 deg);
   
16.75,
14.4,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
16.10,
15.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
14.19,
14.5,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
13.13,
13.3,
4.1'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.73° tail in p.a. 279 deg);
   
12.83,
14.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
12.14,
15.2,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5.4'
tail in p.a. 279 deg);
   
12.08,
15.0,
0.48'
(M. Meyer,
0.05-m
Refractor + CCD);
   
11.84,
14.4,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.4'
tail in p.a. 277 deg);
   
10.77,
15.1,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
6'
tail in p.a. 280 deg);
   
09.07,
14.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 280 deg);
   
08.46,
14.4,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 280 deg);
   
08.15,
15.1,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
07.77,
14.9,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD;
2.3'
tail in p.a. 277 deg);
   
06.74,
15.0,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 275 deg);
   
05.84,
15.0,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
05.05,
15.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
84P/Giclas
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
30.78,
17.8,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
22.63,
17.5,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
09.15,
17.9,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
0.4'
tail in p.a. 82 deg);
   
06.79,
17.8,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
06.65,
17.7,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
04.79,
17.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
88P/Howell
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.61,
14.5,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
30.95,
15.1,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.95,
16.0,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
28.07,
16.3,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
23.99,
14.0,
1.1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
1.3'
tail in p.a. 249 deg);
   
22.88,
14.7,
0.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
22.60,
14.4,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
21.20,
16.1,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
20.92,
15.9,
0.34'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
6.4'
tail in p.a. 249 deg);
   
20.81,
14.2,
0.2'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
20.64,
14.6,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.5'
tail in p.a. 256 deg);
   
20.00,
15.7,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.5'
tail in p.a. 262 deg);
   
19.98,
14.9,
0.45'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
19.65,
14.6,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
18.65,
14.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.1'
tail in p.a. 256 deg);
   
18.61,
15.0,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.98,
13.7,
0.6'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
17.97,
15.1,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.53,
14.8,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
16.99,
14.6,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.3'
tail in p.a. 255 deg);
   
16.99,
13.9,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.7'
tail in p.a. 254 deg);
   
16.98,
14.0,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
9.7'
tail in p.a. 250 deg);
   
16.93,
15.2,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.84,
14.5,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
16.76,
14.9,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.1'
tail in p.a. 252 deg);
   
15.91,
16.2,
0.26'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
15.87,
14.6,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
15.64,
14.2,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.52,
13.5,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 256 deg);
   
13.91,
16.3,
0.34'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
13.89,
14.5,
0.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
13.06,
13.0,
4.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.21° tail in p.a. 246 deg);
   
12.98,
14.1,
2.3'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.66° tail in p.a. 249 deg);
   
12.93,
13.9,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.3'
tail in p.a. 250 deg);
   
12.92,
15.1,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3'
tail in p.a. 252 deg);
   
12.92,
14.5,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.8'
tail in p.a. 251 deg);
   
12.76,
15.1,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
12.03,
14.4,
1.4'
(M. Meyer,
0.05-m
Refractor + CCD;
2'
tail in p.a. 261 deg);
   
12.02,
14.8,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
9.2'
tail in p.a. 253 deg);
   
11.92,
15.2,
0.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
11.72,
14.9,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 257 deg);
   
10.00,
14.9,
1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
09.95,
19.2,
0.8'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
   
09.87,
16.3,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.66,
14.9,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.61,
14.0,
1.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
12'
tail in p.a. 255 deg);
   
09.02,
14.7,
1.2'
(M. Meyer,
0.05-m
Refractor + CCD);
   
07.95,
16.2,
0.22'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
07.95,
14.3,
1.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.90,
14.2,
0.8'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
07.59,
15.2,
0.49'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
   
06.94,
13.9,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
7.2'
tail in p.a. 256 deg);
   
06.93,
15.1,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
6.3'
tail in p.a. 255 deg);
   
06.93,
14.4,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
9.4'
tail in p.a. 254 deg);
   
06.92,
16.1,
0.3'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
06.90,
14.5,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
06.80,
14.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.4'
tail in p.a. 251 deg);
   
04.03,
15.2,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
03.91,
14.5,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
0.4'
tail in p.a. 257 deg);
93P/Lovas
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.24,
18.5,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.17,
18.8,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
95P/Chiron
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
16.91,
18.2,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
09.10,
18.5,
0.11'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
112P/Urata-Niijima
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
22.19,
17.0,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
17.69,
16.0,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.12,
17.0,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
17.00,
15.1,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.00,
15.9,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.00,
16.0,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
15.79,
15.0,
1.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
15.78,
16.6,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.71,
16.5,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
13.16,
13.8,
4.7'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD);
   
10.75,
17.1,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
10.15,
16.9,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
09.74,
17.1,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
07.75,
16.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
06.96,
15.5,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.95,
15.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.95,
16.1,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.72,
16.2,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
06.08,
16.2,
2.1'
(U. Pilz,
Leipzig,
0.03-m
Refractor + CCD);
114P/Wiseman-Skiff
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
22.79,
16.8,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
22.21,
17.3,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
22.11,
17.8,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.78,
17.3,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.20,
17.7,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
12.18,
16.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
10.21,
17.6,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.21,
17.7,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
123P/West-Hartley
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
20.19,
16.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
16.19,
16.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
139P/Vaisala-Oterma
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
16.92,
20.0,
0.11'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.08,
19.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
161P/Hartley-IRAS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
nov
01.85,
10.1,
5'
(J. Gonzalez Suarez,
0.203-m
Schmidt-Cassegrain);
   
01.81,
13.0,
0.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
oct
31.82,
13.6,
0.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
31.48,
12.3,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
   
31.40,
12.3,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
30.89,
15.0,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
30.85,
13.3,
0.3'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
30.83,
12.6,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
30.83,
11.5,
4.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
30.82,
12.6,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
29.87,
14.4,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.81,
11.1,
3'
(M. Phillips,
0.3-m
Newtonian + CCD);
   
29.81,
9.4,
4.5'
(S. Getliffe,
0.09-m
Refractor);
   
29.81,
13.8,
0.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
29.77,
10.8,
5.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
29.75,
13.8,
0.46'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
29.41,
10.3,
2.2'
(C. Wyatt,
0.4-m
Newtonian);
   
28.82,
12.5,
0.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
28.70,
12.0,
3.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
28.70,
11.2,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
28.70,
10.8,
7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
28.53,
11.9,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
28.47,
12.3,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
   
28.43,
12.6,
1.3'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
27.91,
13.1,
0.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
27.79,
10.6,
9.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
27.76,
12.1,
1.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
27.59,
14.5,
0.26'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
   
27.17,
11.9,
3'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
   
22.69,
14.2,
0.44'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
21.94,
13.6,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
21.81,
13.0,
0.33'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
21.75,
11.8,
2.3'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 36.1; Moon Alt. 16.6,
0.4-m
Ritchey-Chretien + CCD);
   
21.47,
11.9,
1.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
20.79,
13.2,
1.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
20.79,
13.8,
0.6'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
20.71,
14.5,
0.49'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
20.57,
11.2,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
20.22,
11.0,
4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
   
19.94,
14.7,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
19.82,
13.2,
0.3'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
19.60,
11.6,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
19.59,
11.6,
2.5'
(A. Pearce,
Perth Observatory, Bickley (MPC 323),
0.35-m
Schmidt-Cassegrain + CCD);
   
18.82,
11.5,
0.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
18.82,
11.8,
2.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
18.80,
12.7,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
18.75,
11.9,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
18.75,
11.9,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
18.73,
10.1,
13.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
18.73,
10.0,
10.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
18.72,
10.3,
14.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
18.54,
11.5,
3.1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.91,
12.6,
2'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.77,
11.2,
3.4'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
   
17.55,
13.5,
0.6'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
   
17.51,
13.3,
0.7'
(O. Miyazaki,
0.32-m
Newtonian);
   
17.49,
12.2,
1.9'
(Y. Yamaguchi,
0.13-m
Refractor + CCD);
   
17.45,
11.6,
2'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
17.14,
14.5,
0.44'
(D. Svechkarev,
0.11-m
Refractor + CCD);
   
16.94,
11.3,
4.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.82,
11.6,
4'
(M. Meyer,
0.05-m
Refractor + CCD);
   
16.80,
11.7,
4.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
16.79,
14.4,
0.47'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
16.76,
10.8,
5'
(P. Guzik,
25x100
Binoculars);
   
16.62,
11.7,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
16.60,
11.7,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
15.81,
11.3,
4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
15.79,
14.4,
0.29'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
15.60,
11.3,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
15.21,
11.2,
5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
14.83,
11.1,
4'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
   
14.54,
10.7,
3.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.49,
11.3,
2.6'
(O. Miyazaki,
0.32-m
Newtonian);
   
13.95,
9.8,
3.8'
(S. Getliffe,
0.09-m
Refractor);
   
13.85,
11.8,
4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
13.83,
10.6,
1.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
13.81,
13.7,
0.48'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
13.78,
10.8,
4'
(E. Banach,
0.25-m
Newtonian);
   
13.76,
10.2,
14.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.76,
9.8,
17.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.75,
10.5,
15.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.65,
11.3,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
13.52,
11.1,
4'
(A. Pearce,
Nedlands, W. Australia,
0.075-m
Refractor + CCD);
   
13.46,
11.6,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
13.01,
11.3,
4.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
12.89,
10.5,
13.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.89,
10.1,
12.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.89,
10.6,
9.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.85,
12.3,
2.9'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
12.84,
10.6,
1.1'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
12.84,
10.6,
1.1'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
12.83,
10.9,
5.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
   
12.83,
10.2,
12'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
12.81,
10.2,
14'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD);
   
12.77,
11.0,
3'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
12.76,
13.7,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
12.76,
13.5,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
12.75,
14.1,
0.47'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
12.75,
10.3,
10.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
12.63,
11.3,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
12.63,
11.5,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
12.54,
11.9,
2.7'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
   
12.54,
11.5,
4'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
12.52,
12.5,
1.4'
(O. Miyazaki,
0.32-m
Newtonian);
   
12.45,
11.3,
4.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
12.15,
14.3,
0.5'
(D. Svechkarev,
0.11-m
Refractor + CCD);
   
11.93,
9.9,
19.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.93,
9.7,
15.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.93,
9.6,
18.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.90,
13.3,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
11.88,
11.8,
2.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
11.88,
11.2,
4.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
   
11.87,
10.9,
7'
(M. Meyer,
0.05-m
Refractor + CCD);
   
11.82,
11.2,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
   
11.80,
11.1,
2.7'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
11.80,
11.3,
3'
(E. Banach,
0.25-m
Newtonian);
   
11.76,
13.0,
1.5'
(J. Powichrowski,
Knyszyn,
0.35-m
Newtonian);
   
11.63,
11.7,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
11.52,
12.3,
1.2'
(O. Miyazaki,
0.32-m
Newtonian);
   
10.99,
11.3,
3.9'
(W. Souza,
0.05-m
Refractor + CCD);
   
10.61,
10.4,
5.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
10.55,
12.1,
1.3'
(O. Miyazaki,
0.32-m
Newtonian);
   
10.53,
11.7,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
10.52,
12.7,
2.1'
(D. Swan,
Siding Spring, Coonabarabran, New South Wales, Australia,
0.51-m
Cassegrain reflector + CCD);
   
10.22,
11.7,
3.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
1.7'
tail in p.a. 103 deg);
   
09.94,
13.3,
1.1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
09.93,
9.9,
--
(S. Getliffe,
0.09-m
Refractor);
   
09.93,
11.5,
3.9'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
09.84,
14.3,
0.44'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
09.83,
10.1,
2'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
   
09.81,
11.9,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.80,
13.8,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.80,
10.3,
10.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.58,
10.3,
5.1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.54,
11.6,
1'
(O. Miyazaki,
0.32-m
Newtonian);
   
09.42,
11.8,
1.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
08.96,
11.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
   
08.84,
14.4,
0.49'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
   
08.59,
11.6,
1.3'
(O. Miyazaki,
0.32-m
Newtonian);
   
08.56,
10.6,
6.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.43,
11.2,
3.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
07.97,
11.4,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
   
07.89,
10.7,
5.2'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.88,
11.8,
1.7'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
07.88,
10.6,
6'
(C. Labordena,
La Serra de Engarcera,
0.2-m
Schmidt-Cassegrain);
   
07.84,
13.0,
1.1'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
07.84,
12.0,
3.1'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 27.4; Moon Alt. -21.5,
0.4-m
Ritchey-Chretien + CCD);
   
07.80,
9.7,
18'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.80,
10.1,
15'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.79,
10.2,
17.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.56,
10.8,
7'
(T. Yusa,
0.05-m
Refractor + CCD);
   
07.50,
11.7,
1.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
06.92,
10.7,
7.2'
(M. Meyer,
0.05-m
Refractor + CCD;
3.9'
tail in p.a. 90 deg);
   
06.92,
11.9,
4.2'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
06.91,
10.9,
2.2'
(W. Kutschera,
0.25-m
Newtonian);
   
06.89,
11.0,
3'
(T. Karhula,
Virsbo, Sweden,
0.12-m
Refractor);
   
06.88,
11.0,
4.5'
(M. Lošťák,
Karlovy Vary, Czech Republic (SMPH),
0.05-m
Refractor + CCD);
   
06.81,
10.6,
12.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.80,
10.8,
3'
(E. Banach,
0.25-m
Newtonian);
   
06.80,
10.2,
20.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.80,
9.6,
16.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.68,
10.7,
7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
06.62,
11.6,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
06.62,
11.1,
6.1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
06.40,
10.4,
9'
(C. Wyatt,
0.25-m
Newtonian);
   
06.00,
9.9,
17'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
05.99,
10.4,
7.5'
(M. Meyer,
0.05-m
Refractor + CCD);
   
05.97,
11.5,
4.2'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
05.90,
12.4,
2.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
05.90,
11.1,
2.4'
(W. Kutschera,
0.508-m
Newtonian);
   
05.90,
10.8,
4'
(P. Guzik,
25x100
Binoculars);
   
05.88,
11.6,
3.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
05.86,
11.8,
2.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
05.80,
10.5,
11.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.79,
10.3,
14'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.79,
9.6,
14.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.77,
11.2,
1.2'
(W. Hasubick,
0.44-m
Newtonian);
   
05.62,
11.2,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
05.53,
10.9,
6'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
04.90,
10.5,
6.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
   
04.89,
10.0,
3.8'
(S. Getliffe,
0.09-m
Refractor);
   
04.87,
11.2,
4.8'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
04.83,
11.5,
2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
04.77,
11.5,
1.5'
(U. Pilz,
0.32-m
Newtonian);
   
04.61,
11.4,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
04.56,
11.2,
5'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
   
04.06,
12.6,
1.9'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
   
04.04,
12.0,
--
(L. Bracero,
Ponce Puerto Rico,
0.03-m
"small telescopes" with aperture in range 4-10 inches + CCD);
   
04.03,
12.3,
2.6'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
   
04.01,
10.8,
4.7'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
   
03.98,
11.1,
4.7'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
   
03.96,
10.5,
7'
(M. Meyer,
0.05-m
Refractor + CCD);
   
03.90,
9.6,
18.8'
(M. Mašek,
Hodkovice n M. (50.67000 N, 15.08000 E); Comet Alt. 35.4; Moon Alt. 5.3,
0.15-m
Newtonian + CCD);
   
03.90,
10.8,
9.4'
(M. Mašek,
Hodkovice n M. (50.67000 N, 15.08000 E); Comet Alt. 35.3; Moon Alt. 5.6,
0.15-m
Newtonian + CCD);
   
03.88,
12.6,
1.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
03.86,
11.5,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
03.85,
11.6,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
03.85,
11.3,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
162P/Siding Spring
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.23,
18.6,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.24,
18.5,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
05.09,
18.8,
0.15'
(P. Dekelver,
0.3-m
Newtonian + CCD);
169P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.80,
14.7,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
22.82,
14.5,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.80,
14.0,
1.7'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.21,
13.7,
0.9'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
13.17,
13.3,
3.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 281 deg);
   
10.82,
13.6,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
08.77,
12.5,
2.4'
(K. Harikae,
0.15-m
Newtonian + CCD);
   
06.80,
13.2,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
   
06.15,
12.7,
3.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 279 deg);
   
05.18,
15.4,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
188P/LINEAR-Mueller
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.06,
18.9,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
10.07,
19.5,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
220P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
nov
02.20,
12.4,
4'
(M. Phillips,
0.3-m
Newtonian + CCD;
8'
tail in p.a. 267 deg);
   
01.72,
14.6,
0.6'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
oct
31.63,
12.9,
2.2'
(T. Yusa,
0.05-m
Refractor + CCD;
7'
tail in p.a. 262 deg);
   
31.20,
12.7,
3'
(M. Phillips,
0.3-m
Newtonian + CCD;
6.8'
tail in p.a. 261 deg);
   
30.85,
15.9,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.83,
15.6,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.44,
11.4,
3.6'
(C. Wyatt,
0.4-m
Newtonian);
   
28.84,
16.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
24.19,
15.5,
0.3'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
8'
tail in p.a. 264 deg);
   
24.00,
13.6,
3.1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
6.5'
tail in p.a. 263 deg);
   
22.90,
13.7,
1.1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
22.63,
13.6,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD;
2.8'
tail in p.a. 264 deg);
   
22.13,
12.7,
3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
21.19,
14.5,
0.9'
(P. Dekelver,
0.3-m
Newtonian + CCD;
12.2'
tail in p.a. 266 deg);
   
20.66,
14.1,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.5'
tail in p.a. 265 deg);
   
20.18,
12.5,
2.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
10'
tail in p.a. 266 deg);
   
19.99,
15.2,
0.25'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian;
0.6'
tail in p.a. 240 deg);
   
19.70,
13.6,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.6'
tail in p.a. 260 deg);
   
19.66,
14.0,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.2'
tail in p.a. 267 deg);
   
19.66,
15.2,
0.33'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD;
3.9'
tail in p.a. 268 deg);
   
19.37,
13.6,
2'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
7'
tail in p.a. 267 deg);
   
19.18,
12.6,
2.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
11'
tail in p.a. 265 deg);
   
18.66,
13.1,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
8.9'
tail in p.a. 263 deg);
   
18.65,
13.4,
2'
(T. Yusa,
0.05-m
Refractor + CCD;
4'
tail in p.a. 262 deg);
   
18.09,
12.8,
1.5'
(W. Kutschera,
0.508-m
Newtonian);
   
17.95,
13.6,
1.6'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
2.8'
tail in p.a. 265 deg);
   
17.89,
14.2,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
12.2'
tail in p.a. 263 deg);
   
17.83,
15.1,
0.38'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD;
4.1'
tail in p.a. 263 deg);
   
17.72,
12.5,
3'
(K. Harikae,
0.15-m
Newtonian + CCD);
   
17.63,
13.0,
2.2'
(T. Yusa,
0.05-m
Refractor + CCD;
5.5'
tail in p.a. 265 deg);
   
17.40,
13.4,
2'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
7.6'
tail in p.a. 264 deg);
   
16.98,
12.0,
6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.3'
tail in p.a. 264 deg);
   
16.98,
10.7,
8.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
7'
tail in p.a. 264 deg);
   
16.97,
13.2,
1.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.97,
11.8,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
10.6'
tail in p.a. 266 deg);
   
16.90,
12.6,
1.9'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
2.9'
tail in p.a. 277 deg);
   
16.77,
13.2,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
7.8'
tail in p.a. 264 deg);
   
16.74,
13.4,
1.2'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
16.70,
13.4,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.6'
tail in p.a. 258 deg);
   
16.64,
13.3,
2'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD;
13.8'
tail in p.a. 264 deg);
   
16.18,
13.1,
2.1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
24'
tail in p.a. 265 deg);
   
16.01,
14.4,
0.42'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
4.5'
tail in p.a. 267 deg);
   
15.89,
13.3,
1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
2.7'
tail in p.a. 270 deg);
   
15.70,
13.5,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.2'
tail in p.a. 258 deg);
   
15.18,
12.9,
2.1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
6'
tail in p.a. 262 deg);
   
15.02,
13.2,
1.4'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
14.97,
13.5,
2'
(P. Dekelver,
0.3-m
Newtonian + CCD;
16.2'
tail in p.a. 264 deg);
   
14.64,
12.4,
2.5'
(T. Yusa,
0.05-m
Refractor + CCD;
3.7'
tail in p.a. 261 deg);
   
14.18,
12.9,
2.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.4° tail in p.a. 260 deg);
   
13.91,
13.5,
2'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
4'
tail in p.a. 260 deg);
   
13.70,
13.7,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.1'
tail in p.a. 259 deg);
   
13.18,
13.0,
2.1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
10'
tail in p.a. 267 deg);
   
13.09,
11.2,
8.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.87° tail in p.a. 264 deg);
   
13.07,
12.5,
1.8'
(W. Kutschera,
0.508-m
Newtonian);
   
13.06,
12.5,
2.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
13.03,
12.4,
3.2'
(M. Lošťák,
Karlovy Vary, Czech Republic (SMPH),
0.05-m
Refractor + CCD);
   
13.02,
11.6,
6.1'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
1.53° tail in p.a. 264 deg);
   
12.95,
11.7,
5.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
7.1'
tail in p.a. 263 deg);
   
12.95,
13.0,
4.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 262 deg);
   
12.94,
12.1,
5.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
10.6'
tail in p.a. 263 deg);
   
12.90,
12.8,
2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
3.7'
tail in p.a. 265 deg);
   
12.78,
13.5,
1.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.6'
tail in p.a. 264 deg);
   
11.99,
12.7,
2.4'
(M. Meyer,
0.05-m
Refractor + CCD;
8'
tail in p.a. 262 deg);
   
11.96,
11.0,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
7.5'
tail in p.a. 263 deg);
   
11.95,
12.2,
6.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.5'
tail in p.a. 265 deg);
   
11.95,
11.7,
7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
12.2'
tail in p.a. 264 deg);
   
11.94,
13.4,
3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
7.5'
tail in p.a. 260 deg);
   
11.91,
14.2,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
   
11.74,
13.0,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
9.9'
tail in p.a. 263 deg);
   
11.09,
13.5,
2.4'
(F. Carrasco Lopez,
Observatorio Villuercas-Navezuelas (MPC R49),
0.25-m
Newtonian + CCD;
18.5'
tail in p.a. 262 deg);
   
10.67,
12.8,
2'
(T. Yusa,
0.05-m
Refractor + CCD;
7'
tail in p.a. 261 deg);
   
10.36,
13.7,
1.9'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
12'
tail in p.a. 264 deg);
   
09.90,
13.7,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 263 deg);
   
09.88,
12.0,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
7.8'
tail in p.a. 265 deg);
   
09.88,
13.9,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.8'
tail in p.a. 264 deg);
   
09.67,
13.0,
1.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
09.64,
13.1,
0.8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
15'
tail in p.a. 265 deg);
   
09.64,
13.4,
1.2'
(T. Yusa,
0.05-m
Refractor + CCD;
4.3'
tail in p.a. 265 deg);
   
09.18,
11.8,
2.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
24'
tail in p.a. 261 deg);
   
08.98,
13.2,
1.6'
(M. Meyer,
0.05-m
Refractor + CCD;
5.2'
tail in p.a. 264 deg);
   
08.64,
13.7,
1.1'
(T. Yusa,
0.05-m
Refractor + CCD;
3.6'
tail in p.a. 265 deg);
   
07.97,
12.7,
2.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.93,
12.1,
2.9'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
4.8'
tail in p.a. 262 deg);
   
07.87,
11.9,
5.4'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 19.0; Moon Alt. -21.0,
0.4-m
Ritchey-Chretien + CCD);
   
07.60,
13.0,
1.3'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
06.95,
11.2,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
7.4'
tail in p.a. 263 deg);
   
06.94,
12.7,
4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.9'
tail in p.a. 263 deg);
   
06.94,
12.6,
3.4'
(M. Lošťák,
Karlovy Vary, Czech Republic (SMPH),
0.05-m
Refractor + CCD);
   
06.94,
16.3,
0.35'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
7'
tail in p.a. 263 deg);
   
06.94,
12.8,
5.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
15.3'
tail in p.a. 262 deg);
   
06.94,
12.4,
1.8'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
5.8'
tail in p.a. 266 deg);
   
06.83,
13.9,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.9'
tail in p.a. 261 deg);
   
06.60,
13.1,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD;
7'
tail in p.a. 262 deg);
   
06.11,
11.2,
8.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.6° tail in p.a. 262 deg);
   
06.04,
10.8,
7.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
05.97,
12.2,
2.7'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
5.7'
tail in p.a. 262 deg);
   
05.91,
14.0,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
22.2'
tail in p.a. 265 deg);
   
05.74,
13.6,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.5'
tail in p.a. 255 deg);
   
05.70,
13.6,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
05.38,
13.5,
2.1'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
10.4'
tail in p.a. 262 deg);
   
04.98,
12.6,
3.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
23.1'
tail in p.a. 261 deg);
   
04.97,
12.0,
1.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
1.4'
tail in p.a. 262 deg);
   
04.70,
13.5,
1.4'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 265 deg);
   
04.24,
12.3,
2.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
33'
tail in p.a. 262 deg);
   
04.16,
12.0,
2.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
16'
tail in p.a. 264 deg);
   
04.10,
12.8,
1.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
03.93,
13.4,
1.1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
8'
tail in p.a. 261 deg);
   
03.86,
15.1,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.7'
tail in p.a. 261 deg);
   
03.86,
13.6,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
9.8'
tail in p.a. 261 deg);
   
03.85,
13.4,
2.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
17.5'
tail in p.a. 261 deg);
243P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
19.10,
21.0,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
247P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
22.13,
18.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.19,
18.7,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
16.14,
18.8,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
08.19,
19.3,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
06.10,
19.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
260P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
nov
01.91,
13.1,
0.6'
(W. Kutschera,
0.13-m
Newtonian + CCD;
0.05° tail);
oct
30.96,
15.8,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.97,
15.6,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 277 deg);
   
28.14,
15.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
27.97,
13.5,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
26.98,
14.1,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
   
22.65,
14.8,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 280 deg);
   
21.89,
15.6,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.9'
tail in p.a. 272 deg);
   
20.88,
16.2,
0.24'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
2'
tail in p.a. 261 deg);
   
20.05,
15.8,
0.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
18.01,
15.3,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5.1'
tail in p.a. 273 deg);
   
17.79,
14.9,
0.48'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD;
2.3'
tail in p.a. 276 deg);
   
17.73,
14.8,
0.7'
(K. Harikae,
0.15-m
Newtonian + CCD);
   
17.04,
15.3,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
17.01,
15.2,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.6'
tail in p.a. 274 deg);
   
17.01,
15.5,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.6'
tail in p.a. 275 deg);
   
17.01,
14.7,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.1'
tail in p.a. 276 deg);
   
16.12,
14.4,
1.4'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
15.73,
14.8,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 286 deg);
   
14.68,
14.4,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 280 deg);
   
14.13,
15.0,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
13.06,
14.6,
1.1'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.23° tail in p.a. 273 deg);
   
13.01,
14.1,
2.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.14° tail in p.a. 272 deg);
   
12.08,
14.9,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.2'
tail in p.a. 275 deg);
   
11.37,
15.3,
0.3'
(D. Swan,
Sierra Remote Observatory at Auberry California USA,
0.61-m
Cassegrain reflector + CCD);
   
11.08,
15.2,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
10.72,
14.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 270 deg);
   
10.50,
15.3,
0.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 272 deg);
   
09.71,
14.6,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.73,
14.8,
0.8'
(K. Harikae,
0.15-m
Newtonian + CCD;
1.2'
tail in p.a. 260 deg);
   
07.99,
15.1,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.89,
15.1,
0.43'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
2.5'
tail in p.a. 267 deg);
   
07.86,
14.3,
1.1'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 35.2; Moon Alt. -21.2,
0.4-m
Ritchey-Chretien + CCD);
   
07.69,
14.8,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 271 deg);
   
07.67,
15.0,
0.43'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
   
07.00,
15.2,
0.4'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.02° tail);
   
06.96,
16.0,
0.21'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
2.7'
tail in p.a. 269 deg);
   
06.92,
15.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.8'
tail in p.a. 272 deg);
   
06.92,
15.5,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.2'
tail in p.a. 273 deg);
   
06.92,
14.4,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.4'
tail in p.a. 271 deg);
   
06.06,
15.0,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
06.04,
15.5,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.3'
tail in p.a. 273 deg);
   
03.84,
16.4,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 272 deg);
   
03.84,
15.0,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 270 deg);
   
03.84,
15.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 271 deg);
266P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
08.35,
18.8,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
295P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
12.24,
19.5,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
302P/Lemmon-PANSTARRS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.03,
19.3,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
06.04,
19.8,
0.11'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
315P/LONEOS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
18.19,
19.6,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
12.02,
19.6,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
06.00,
20.2,
0.11'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
346P/Catalina
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.18,
17.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
10.19,
17.8,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.44,
17.2,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
08.20,
18.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
362P/Spacewatch
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
16.99,
21.4,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.11,
21.4,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
493P/LONEOS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
12.23,
18.5,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
20.70,
14.7,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
19.83,
14.6,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
19.70,
14.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
16.83,
14.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
15.83,
14.6,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
12.83,
14.7,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
11.81,
14.7,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
06.82,
14.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
05.83,
14.5,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
05.77,
14.7,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
04.83,
14.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
03.83,
14.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
C/2021 G2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.79,
17.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
30.77,
16.8,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
21.82,
17.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
15.43,
16.1,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
13.73,
15.5,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.72,
16.6,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.72,
16.1,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.81,
16.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
11.75,
15.7,
1.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
09.44,
16.2,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.46,
15.9,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
07.74,
16.2,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
07.46,
16.1,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
06.74,
15.0,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.73,
16.0,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.73,
16.3,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.89,
16.8,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
05.79,
15.8,
1.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.9'
tail in p.a. 225 deg);
   
05.79,
17.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
05.74,
15.5,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.74,
16.6,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.73,
16.1,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 205 deg);
C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.00,
19.0,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
15.25,
17.3,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1'
tail in p.a. 27 deg);
   
13.83,
18.0,
0.33'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
12.94,
18.3,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.94,
17.6,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.93,
18.0,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
12.85,
17.2,
1'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 31 deg);
   
09.88,
18.5,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
07.80,
19.1,
0.31'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
05.43,
18.5,
0.2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
C/2022 N2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
30.03,
16.6,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
28.18,
16.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
22.15,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
22.07,
16.3,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
18.07,
16.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
17.03,
15.2,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.02,
16.2,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.02,
16.5,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
16.08,
16.3,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
14.15,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
10.18,
16.6,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
08.38,
16.2,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
C/2022 R6 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
20.17,
18.1,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
06.16,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
19.06,
18.6,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
12.15,
18.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
11.99,
18.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
06.79,
18.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.93,
18.4,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
03.91,
18.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2023 H5 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
13.79,
18.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.94,
19.2,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
04.10,
14.4,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
0.7'
tail in p.a. 90 deg);
C/2023 X2 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
07.75,
19.0,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 A1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
13.79,
18.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.80,
18.5,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 G4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
05.87,
19.1,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2024 G6 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.77,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
11.78,
18.0,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
06.75,
17.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.3'
tail in p.a. 167 deg);
C/2024 J3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.85,
15.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
31.51,
13.8,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
31.41,
14.0,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
30.83,
14.2,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 168 deg);
   
29.81,
14.0,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.78,
13.7,
0.6'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
28.86,
13.8,
0.8'
(W. Kutschera,
0.13-m
Newtonian + CCD);
   
28.73,
13.3,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.2'
tail in p.a. 164 deg);
   
28.72,
13.4,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.7'
tail in p.a. 164 deg);
   
28.72,
14.0,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.7'
tail in p.a. 166 deg);
   
28.49,
14.2,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
28.45,
13.8,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
27.97,
14.4,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
27.84,
13.8,
2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.04° tail in p.a. 168 deg);
   
27.81,
14.0,
0.5'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
27.69,
14.0,
1.2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
27.46,
13.7,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
26.84,
13.8,
0.5'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
24.79,
13.9,
1.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 164 deg);
   
21.91,
13.9,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
21.77,
13.7,
1'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 51.6; Moon Alt. 16.9,
0.4-m
Ritchey-Chretien + CCD);
   
21.50,
13.9,
0.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
20.77,
14.1,
0.7'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
19.95,
13.6,
0.45'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
18.74,
14.5,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.2'
tail in p.a. 161 deg);
   
18.74,
13.8,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.3'
tail in p.a. 157 deg);
   
18.73,
14.1,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.2'
tail in p.a. 160 deg);
   
18.73,
14.5,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
18.72,
13.9,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 167 deg);
   
18.72,
14.1,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 161 deg);
   
17.84,
14.1,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.9'
tail in p.a. 167 deg);
   
17.78,
13.8,
0.3'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
   
17.59,
14.4,
0.38'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
   
16.94,
13.1,
0.6'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
16.78,
14.2,
1'
(P. Guzik,
0.326-m
Newtonian);
   
14.90,
13.3,
1.2'
(W. Kutschera,
0.508-m
Newtonian);
   
14.88,
13.6,
0.6'
(T. Karhula,
Virsbo, Sweden,
0.305-m
Newtonian);
   
14.78,
14.2,
0.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 158 deg);
   
13.88,
13.5,
0.5'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
13.77,
13.6,
1'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
2.1'
tail in p.a. 157 deg);
   
13.75,
13.6,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.7'
tail in p.a. 165 deg);
   
13.74,
14.0,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.2'
tail in p.a. 164 deg);
   
13.74,
14.4,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.5'
tail in p.a. 165 deg);
   
13.43,
14.2,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
12.51,
14.2,
0.7'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
   
12.43,
14.0,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
11.91,
14.2,
1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
11.90,
13.9,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.7'
tail in p.a. 162 deg);
   
11.90,
14.2,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 167 deg);
   
11.90,
13.5,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 160 deg);
   
11.85,
14.0,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.2'
tail in p.a. 166 deg);
   
11.84,
14.0,
1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 159 deg);
   
11.83,
13.4,
0.8'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
11.83,
13.5,
1'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
11.79,
14.1,
1'
(M. Meyer,
0.05-m
Refractor + CCD);
   
11.77,
13.6,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
   
10.55,
14.1,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.74,
12.6,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.74,
14.2,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.73,
13.9,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.52,
13.9,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.41,
14.0,
1'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
08.83,
13.9,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
1.3'
tail in p.a. 161 deg);
   
08.53,
13.9,
0.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
08.51,
14.0,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
07.85,
13.6,
1.1'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 44.0; Moon Alt. -21.4,
0.4-m
Ritchey-Chretien + CCD);
   
07.81,
14.4,
0.7'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
07.74,
13.4,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4'
tail in p.a. 168 deg);
   
07.73,
14.0,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 161 deg);
   
07.73,
13.8,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.5'
tail in p.a. 161 deg);
   
07.52,
13.9,
0.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
06.89,
13.3,
0.7'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
06.83,
13.8,
1.2'
(M. Meyer,
0.05-m
Refractor + CCD;
1'
tail in p.a. 160 deg);
   
06.76,
14.3,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.4'
tail in p.a. 160 deg);
   
06.76,
13.8,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.9'
tail in p.a. 161 deg);
   
06.76,
13.4,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5'
tail in p.a. 159 deg);
   
06.48,
14.3,
0.6'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
   
05.88,
14.0,
1'
(M. Meyer,
0.05-m
Refractor + CCD);
   
05.85,
13.8,
1.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 166 deg);
   
05.85,
13.3,
0.8'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
05.84,
14.0,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
6.9'
tail in p.a. 167 deg);
   
05.84,
13.5,
2.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.12° tail in p.a. 167 deg);
   
05.76,
13.3,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.5'
tail in p.a. 160 deg);
   
05.76,
13.9,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5'
tail in p.a. 161 deg);
   
05.76,
14.1,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 158 deg);
   
04.90,
14.0,
0.9'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5.4'
tail in p.a. 163 deg);
   
04.88,
14.0,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD);
   
04.85,
14.1,
0.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
3.2'
tail in p.a. 164 deg);
   
04.83,
14.5,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
03.94,
13.9,
1'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD;
4.4'
tail in p.a. 164 deg);
   
03.93,
14.2,
0.8'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
03.92,
13.9,
1.1'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD;
4.2'
tail in p.a. 162 deg);
   
03.92,
13.9,
1.1'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.02° tail);
   
03.90,
14.0,
1'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD);
   
03.88,
14.2,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
   
03.87,
13.9,
1.3'
(M. Šrejber,
Hvezdarna a planetarium Hradec Kralove (MPC 048),
0.25-m
Newtonian + CCD;
8.5'
tail in p.a. 165 deg);
C/2024 R4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.87,
17.1,
0.15'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
30.87,
15.2,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.3'
tail in p.a. 113 deg);
   
29.85,
15.7,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.3'
tail in p.a. 114 deg);
   
28.75,
14.7,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.3'
tail in p.a. 119 deg);
   
28.74,
15.0,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 117 deg);
   
28.74,
15.6,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 113 deg);
   
28.45,
15.0,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
27.99,
15.2,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
27.92,
15.0,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.4'
tail in p.a. 112 deg);
   
22.49,
14.9,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
21.77,
14.8,
0.7'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 61.9; Moon Alt. 17.0,
0.4-m
Ritchey-Chretien + CCD);
   
19.96,
15.1,
0.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian;
0.4'
tail in p.a. 123 deg);
   
19.93,
15.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 112 deg);
   
19.78,
15.2,
0.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
18.75,
14.9,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 121 deg);
   
18.75,
15.5,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 118 deg);
   
18.75,
15.3,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.3'
tail in p.a. 122 deg);
   
17.46,
14.3,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
15.47,
14.5,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.47,
14.5,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 120 deg);
   
12.90,
15.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.1'
tail in p.a. 119 deg);
   
12.90,
14.8,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 120 deg);
   
12.90,
15.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 121 deg);
   
12.89,
14.9,
0.7'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 119 deg);
   
12.87,
15.0,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
2.2'
tail in p.a. 119 deg);
   
12.47,
14.6,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
11.91,
15.1,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 114 deg);
   
11.87,
15.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.7'
tail in p.a. 118 deg);
   
11.81,
15.0,
0.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
11.80,
14.9,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
   
10.59,
14.9,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.94,
15.3,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
09.55,
14.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.3'
tail in p.a. 120 deg);
   
08.53,
15.3,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 121 deg);
   
07.87,
15.1,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.53,
15.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 115 deg);
   
06.88,
15.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 126 deg);
   
06.78,
14.7,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 125 deg);
   
06.77,
15.0,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.9'
tail in p.a. 121 deg);
   
06.77,
15.4,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.8'
tail in p.a. 126 deg);
   
05.92,
15.0,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.3'
tail in p.a. 121 deg);
   
05.92,
15.3,
0.5'
(M. Meyer,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 109 deg);
   
05.77,
15.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 120 deg);
   
05.77,
14.5,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 126 deg);
   
05.77,
15.3,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 123 deg);
   
04.93,
16.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.9'
tail in p.a. 123 deg);
   
04.92,
15.0,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 109 deg);
   
04.82,
14.6,
0.3'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
03.92,
15.4,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 116 deg);
   
03.88,
15.5,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
03.88,
15.4,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 123 deg);
   
03.87,
15.1,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 126 deg);
C/2024 T5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
31.74,
13.3,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
2'
tail in p.a. 240 deg);
   
31.00,
13.7,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.8'
tail in p.a. 234 deg);
   
30.75,
13.1,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
30.01,
13.6,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.5'
tail in p.a. 237 deg);
   
28.65,
13.2,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 229 deg);
   
27.61,
13.2,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
24.73,
13.5,
0.8'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD;
6.3'
tail in p.a. 233 deg);
   
23.80,
13.6,
0.8'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD;
7.8'
tail in p.a. 232 deg);
   
22.79,
12.6,
1'
(O. Miyazaki,
0.32-m
Newtonian);
   
22.69,
13.4,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
4.7'
tail in p.a. 235 deg);
   
22.03,
13.6,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.4'
tail in p.a. 233 deg);
   
20.79,
13.5,
0.8'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD;
6.1'
tail in p.a. 232 deg);
   
20.67,
13.5,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.2'
tail in p.a. 232 deg);
   
20.07,
13.5,
1.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
20.04,
14.4,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5.3'
tail in p.a. 233 deg);
   
20.03,
12.6,
0.8'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
19.76,
13.6,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.9'
tail in p.a. 236 deg);
   
19.68,
13.6,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.8'
tail in p.a. 237 deg);
   
19.16,
13.6,
0.31'
(À. Bueno,
Tevinca,
0.073-m
Refractor + CCD);
   
18.68,
13.6,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.8'
tail in p.a. 232 deg);
   
18.03,
13.6,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.8'
tail in p.a. 233 deg);
   
17.73,
13.4,
0.6'
(K. Harikae,
0.15-m
Newtonian + CCD);
   
16.80,
13.3,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
16.80,
13.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.1'
tail in p.a. 234 deg);
   
16.76,
13.6,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.2'
tail in p.a. 240 deg);
   
16.73,
13.6,
0.7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD;
6.9'
tail in p.a. 230 deg);
   
16.03,
13.8,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5'
tail in p.a. 232 deg);
   
15.76,
13.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 243 deg);
   
15.75,
13.7,
0.7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD;
6.8'
tail in p.a. 231 deg);
   
14.79,
13.0,
1.2'
(O. Miyazaki,
0.32-m
Newtonian);
   
14.07,
13.2,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
13.79,
13.1,
0.8'
(O. Miyazaki,
0.32-m
Newtonian);
   
13.76,
13.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 243 deg);
   
13.13,
13.4,
1.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.1° tail in p.a. 231 deg);
   
13.10,
13.6,
1'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.09° tail in p.a. 235 deg);
   
12.85,
13.9,
0.7'
(A. Pearce,
Nedlands, W. Australia,
0.075-m
Refractor + CCD;
3.3'
tail in p.a. 236 deg);
   
12.79,
13.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.7'
tail in p.a. 241 deg);
   
12.78,
13.4,
0.6'
(O. Miyazaki,
0.32-m
Newtonian);
   
12.76,
13.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.8'
tail in p.a. 242 deg);
   
12.12,
13.6,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
1'
tail in p.a. 243 deg);
   
11.77,
13.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5'
tail in p.a. 231 deg);
   
11.15,
14.0,
0.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
10.80,
13.6,
0.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
10.53,
13.9,
0.4'
(D. Swan,
Sierra Remote Observatory at Auberry California USA,
0.61-m
Cassegrain reflector + CCD);
   
10.43,
13.5,
1.3'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
6.1'
tail in p.a. 230 deg);
   
06.85,
13.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.1'
tail in p.a. 233 deg);
   
06.76,
13.8,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
2.9'
tail in p.a. 234 deg);
   
06.05,
14.3,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
6.6'
tail in p.a. 232 deg);
   
05.76,
13.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 236 deg);
   
05.75,
14.0,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 245 deg);
   
04.76,
13.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 243 deg);
C/2025 B2 (Borisov)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
15.27,
17.2,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
13.77,
17.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.77,
18.1,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
13.76,
17.7,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.75,
17.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2025 J1 (Borisov)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
28.15,
18.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
20.77,
17.9,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
19.77,
18.0,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
   
16.05,
18.0,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
12.10,
18.0,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.2'
tail in p.a. 336 deg);
   
11.16,
18.1,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2025 V2 (Rankin)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
25.26,
16.5,
0.4'
(M. Mašek,
CTA-N La Palma (28.76000 N, 17.89000 W); Comet Alt. 13.5; Moon Alt. 2.9,
0.25-m
Schmidt-Cassegrain + CCD);
C/2026 A2 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
nov
01.83,
12.6,
1.33'
(M. Phillips,
0.3-m
Newtonian + CCD;
2.8'
tail in p.a. 63 deg);
oct
31.77,
13.0,
1.2'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.2'
tail in p.a. 60 deg);
   
31.57,
13.3,
0.5'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD);
   
31.57,
13.0,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 78 deg);
   
31.43,
12.9,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD;
1'
tail in p.a. 60 deg);
   
30.75,
13.6,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.5'
tail in p.a. 64 deg);
   
30.74,
11.4,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
30.73,
13.1,
4.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 60 deg);
   
30.72,
12.2,
4.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.2'
tail in p.a. 63 deg);
   
29.82,
12.9,
1'
(M. Phillips,
0.3-m
Newtonian + CCD;
2.9'
tail in p.a. 64 deg);
   
29.75,
11.9,
1.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.2'
tail in p.a. 69 deg);
   
29.74,
11.9,
5.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.09° tail in p.a. 69 deg);
   
28.90,
12.4,
0.6'
(W. Kutschera,
0.13-m
Newtonian + CCD;
0.02° tail);
   
28.80,
12.8,
1.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.7'
tail in p.a. 70 deg);
   
28.74,
11.1,
5.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.7'
tail in p.a. 66 deg);
   
28.73,
12.3,
4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.2'
tail in p.a. 66 deg);
   
28.73,
12.1,
4.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3'
tail in p.a. 73 deg);
   
28.46,
13.1,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
28.43,
13.2,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 83 deg);
   
27.93,
13.1,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.9'
tail in p.a. 70 deg);
   
27.88,
12.1,
4.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 71 deg);
   
27.79,
12.2,
1.1'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD;
1.5'
tail in p.a. 78 deg);
   
27.53,
13.0,
0.5'
(T. Thaluang,
Akin Observatory, Rayong (MPC O51),
0.26-m
Newtonian + CCD);
   
27.45,
13.2,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD;
1.3'
tail in p.a. 90 deg);
   
26.82,
12.1,
1.5'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
26.75,
12.6,
1.8'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
22.76,
13.2,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.3'
tail in p.a. 71 deg);
   
22.46,
13.1,
1.2'
(T. Yusa,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 76 deg);
   
21.80,
13.1,
1.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.8'
tail in p.a. 80 deg);
   
21.76,
12.6,
1.2'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 71.8; Moon Alt. 16.8,
0.4-m
Ritchey-Chretien + CCD);
   
21.51,
13.0,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD;
1'
tail in p.a. 80 deg);
   
20.77,
13.5,
0.7'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 84 deg);
   
19.97,
12.8,
0.6'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian;
1'
tail in p.a. 86 deg);
   
19.85,
13.3,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.2'
tail in p.a. 82 deg);
   
19.58,
13.2,
0.7'
(T. Thaluang,
SSTAC, Pak Chong (MPC O58),
0.26-m
Newtonian + CCD;
0.7'
tail in p.a. 73 deg);
   
18.85,
14.0,
0.23'
(À. Bueno,
Tevinca,
0.073-m
Refractor + CCD);
   
18.82,
13.7,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.6'
tail in p.a. 87 deg);
   
18.81,
12.9,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.3'
tail in p.a. 83 deg);
   
18.80,
12.8,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.5'
tail in p.a. 84 deg);
   
18.72,
11.8,
3.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.8'
tail in p.a. 89 deg);
   
18.72,
12.5,
3.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 81 deg);
   
18.71,
12.8,
3.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.5'
tail in p.a. 87 deg);
   
18.51,
13.4,
1'
(T. Yusa,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 83 deg);
   
17.78,
12.9,
0.7'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
   
17.75,
13.4,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.9'
tail in p.a. 88 deg);
   
17.54,
13.0,
0.7'
(O. Miyazaki,
0.32-m
Newtonian);
   
17.46,
13.3,
1'
(Y. Nagai,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 100 deg);
   
17.41,
12.8,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 103 deg);
   
17.08,
13.5,
0.5'
(D. Svechkarev,
0.11-m
Refractor + CCD;
1.2'
tail in p.a. 92 deg);
   
16.86,
12.7,
1.69'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
   
16.80,
13.3,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 86 deg);
   
16.77,
13.1,
1'
(P. Guzik,
0.326-m
Newtonian);
   
15.84,
12.4,
4.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 87 deg);
   
15.49,
13.3,
1'
(T. Yusa,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 93 deg);
   
14.97,
12.7,
0.7'
(W. Kutschera,
0.508-m
Newtonian);
   
14.96,
13.2,
1.2'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.7'
tail in p.a. 94 deg);
   
14.86,
12.7,
0.5'
(T. Karhula,
Virsbo, Sweden,
0.305-m
Newtonian);
   
14.73,
13.6,
0.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 87 deg);
   
14.53,
13.7,
1'
(O. Miyazaki,
0.32-m
Newtonian);
   
14.45,
12.8,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 87 deg);
   
14.09,
12.7,
1.1'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
13.86,
12.1,
1.1'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
13.81,
13.1,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
   
13.80,
12.7,
1'
(E. Banach,
0.25-m
Newtonian);
   
13.74,
12.3,
3.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 94 deg);
   
13.73,
13.2,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2'
tail in p.a. 92 deg);
   
13.73,
13.0,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.3'
tail in p.a. 92 deg);
   
13.44,
13.1,
0.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
12.89,
12.8,
0.6'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
12.80,
12.2,
7.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 94 deg);
   
12.78,
12.9,
0.9'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian;
1'
tail in p.a. 95 deg);
   
12.77,
12.5,
3.9'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 96 deg);
   
12.75,
12.5,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 98 deg);
   
12.74,
13.4,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.9'
tail in p.a. 94 deg);
   
12.73,
13.3,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 86 deg);
   
12.73,
13.7,
0.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.9'
tail in p.a. 86 deg);
   
12.55,
13.2,
1.1'
(O. Miyazaki,
0.32-m
Newtonian);
   
12.48,
13.1,
1.7'
(Y. Yamaguchi,
0.08-m
Refractor + CCD;
0.9'
tail in p.a. 93 deg);
   
12.40,
12.8,
1'
(T. Yusa,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 85 deg);
   
11.92,
13.5,
1.3'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
   
11.91,
13.3,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 93 deg);
   
11.91,
13.1,
3.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.5'
tail in p.a. 95 deg);
   
11.91,
12.5,
3.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 92 deg);
   
11.85,
13.5,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
   
11.83,
13.5,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 87 deg);
   
11.82,
13.2,
0.9'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian;
1'
tail in p.a. 80 deg);
   
11.82,
13.1,
0.5'
(E. Banach,
0.25-m
Newtonian);
   
11.80,
13.1,
1.1'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
11.79,
13.3,
1.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.9'
tail in p.a. 94 deg);
   
11.75,
13.0,
1'
(J. Powichrowski,
Knyszyn,
0.35-m
Newtonian);
   
11.55,
12.9,
0.7'
(O. Miyazaki,
0.32-m
Newtonian);
   
10.57,
13.3,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
   
10.54,
12.7,
0.5'
(O. Miyazaki,
0.32-m
Newtonian);
   
09.84,
13.1,
1.5'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
   
09.76,
12.3,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.1'
tail in p.a. 95 deg);
   
09.76,
13.4,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.6'
tail in p.a. 95 deg);
   
09.75,
13.3,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.9'
tail in p.a. 91 deg);
   
09.46,
13.7,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 91 deg);
   
09.40,
13.2,
1.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
08.90,
13.6,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.7'
tail in p.a. 95 deg);
   
08.79,
13.7,
0.8'
(M. Meyer,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 97 deg);
   
08.54,
13.1,
0.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
08.48,
13.3,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 93 deg);
   
07.88,
12.7,
0.7'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD;
0.8'
tail in p.a. 280 deg);
   
07.85,
13.4,
1.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.82,
13.8,
0.7'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 95 deg);
   
07.79,
12.4,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 109 deg);
   
07.78,
12.6,
3.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3'
tail in p.a. 96 deg);
   
07.78,
13.3,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.9'
tail in p.a. 98 deg);
   
07.78,
13.6,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.8'
tail in p.a. 96 deg);
   
07.77,
13.5,
2.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.2'
tail in p.a. 98 deg);
   
07.77,
13.2,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.5'
tail in p.a. 98 deg);
   
07.53,
13.2,
1'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
07.52,
13.7,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 94 deg);
   
06.87,
12.8,
0.6'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
06.83,
13.2,
1.8'
(M. Lošťák,
Karlovy Vary, Czech Republic (SMPH),
0.05-m
Refractor + CCD);
   
06.79,
13.8,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 90 deg);
   
06.75,
12.6,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.4'
tail in p.a. 102 deg);
   
06.74,
13.3,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.3'
tail in p.a. 102 deg);
   
06.74,
13.3,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.7'
tail in p.a. 99 deg);
   
06.45,
13.7,
0.7'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
   
06.12,
13.7,
0.9'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.7'
tail in p.a. 99 deg);
   
05.88,
12.8,
3.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 99 deg);
   
05.86,
13.3,
1.13'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
   
05.83,
13.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 84 deg);
   
05.80,
12.9,
2.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
05.80,
13.3,
1.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
2.2'
tail in p.a. 92 deg);
   
05.78,
12.4,
1'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
05.75,
13.5,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2'
tail in p.a. 97 deg);
   
05.75,
12.9,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2'
tail in p.a. 99 deg);
   
05.74,
13.2,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.6'
tail in p.a. 103 deg);
   
05.16,
13.0,
1.6'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
1.7'
tail in p.a. 99 deg);
   
04.99,
13.7,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.1'
tail in p.a. 100 deg);
   
04.83,
14.0,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 90 deg);
   
04.80,
13.5,
1'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
04.80,
13.6,
1.2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 95 deg);
   
04.55,
13.9,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 95 deg);
   
03.97,
13.5,
0.6'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.02° tail);
   
03.91,
13.7,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 96 deg);
   
03.91,
12.9,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
   
03.90,
13.6,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.1'
tail in p.a. 95 deg);
   
03.85,
12.9,
1.2'
(T. Sciezor,
Cracow,
0.03-m
Camera lens + CCD);
   
03.84,
13.5,
1.1'
(M. Mašek,
Hodkovice n M. (50.67000 N, 15.08000 E); Comet Alt. 57.4; Moon Alt. -4.0,
0.15-m
Newtonian + CCD;
1.4'
tail in p.a. 94 deg);
   
03.84,
13.1,
1.1'
(M. Mašek,
Hodkovice n M. (50.67000 N, 15.08000 E); Comet Alt. 57.5; Moon Alt. -4.1,
0.15-m
Newtonian + CCD;
1.7'
tail in p.a. 99 deg);
   
03.83,
13.9,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 97 deg);
C/2026 AZ17 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
30.81,
17.9,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
11.83,
17.5,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
07.78,
17.1,
0.38'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
07.77,
16.3,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.76,
17.2,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
07.76,
17.6,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
05.81,
17.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
04.86,
17.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2026 J1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
07.74,
18.8,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2026 M3 (MASTER)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
07.75,
19.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2026 O1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
15.31,
17.3,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
C/2026 P2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
17.06,
17.4,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.06,
16.7,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
17.05,
17.3,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.94,
17.4,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.94,
17.9,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
11.94,
17.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
06.02,
17.5,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.3'
tail in p.a. 202 deg);
C/2026 S2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
19.15,
18.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
P/2009 Y2 (Kowalski)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
09.36,
19.2,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
P/2015 X3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
06.26,
20.0,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
P/2018 VN2 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
15.43,
16.7,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1'
tail in p.a. 243 deg);
P/2026 R2 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
29.43,
14.2,
0.3'
(C. Wyatt,
0.4-m
Newtonian);
   
16.50,
12.3,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
15.50,
12.4,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
15.08,
12.1,
1.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
13.51,
12.1,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
13.11,
11.8,
3'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
12.96,
12.7,
--
(W. Prini,
Rio Verde - Goiás - Brazil,
0.05-m
Refractor + CCD);
   
12.51,
11.8,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
12.09,
11.8,
3'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
10.94,
13.0,
--
(W. Prini,
Rio Verde - Goiás - Brazil,
0.05-m
Refractor + CCD);
   
10.81,
17.1,
0.27'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
   
10.44,
12.7,
2'
(T. Lekatsas,
Heaven's Mirror Observatory, Yass (MPC Q56),
0.106-m
Refractor + CCD);
   
10.12,
12.5,
1.5'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.36-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 87 deg);
   
10.12,
11.8,
3.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
09.41,
12.3,
1.2'
(T. Yusa,
0.05-m
Refractor + CCD);
   
09.38,
12.1,
1.1'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
09.13,
12.4,
3'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.36-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 84 deg);
   
09.12,
11.9,
3.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
08.96,
13.9,
--
(W. Prini,
Rio Verde - Goiás - Brazil,
0.05-m
Refractor + CCD);
   
08.82,
11.3,
5'
(J. Gonzalez Suarez,
0.203-m
Schmidt-Cassegrain);
   
08.42,
11.3,
2.1'
(T. Yusa,
0.05-m
Refractor + CCD);
   
08.14,
14.7,
0.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.36-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 82 deg);
   
07.82,
13.0,
1.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
07.77,
14.8,
0.49'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
0.3'
tail in p.a. 56 deg);
   
07.42,
12.7,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
   
07.11,
13.2,
0.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.36-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 79 deg);
   
06.76,
11.8,
6.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.5'
tail in p.a. 77 deg);
   
06.43,
12.4,
0.7'
(C. Wyatt,
0.25-m
Newtonian);
   
06.15,
12.0,
4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 61 deg);
   
06.14,
14.7,
0.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.36-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 74 deg);
   
05.79,
12.0,
2.6'
(M. Meyer,
0.05-m
Refractor + CCD);
   
05.77,
12.0,
3.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
   
05.76,
11.0,
10'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 74 deg);
   
05.75,
13.8,
0.9'
(W. Hasubick,
0.44-m
Newtonian);
   
04.79,
13.5,
1.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
04.78,
11.7,
4.7'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
2.3'
tail in p.a. 82 deg);
   
04.12,
12.1,
4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 67 deg);
   
03.81,
10.9,
2.8'
(S. Getliffe,
0.09-m
Refractor);
P/2026 T1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
nov
01.81,
15.6,
0.33'
(M. Phillips,
0.3-m
Newtonian + CCD);
oct
31.75,
16.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
31.46,
15.1,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
30.82,
14.9,
0.5'
(M. Phillips,
0.3-m
Newtonian + CCD);
   
30.73,
16.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.73,
16.1,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
29.40,
15.0,
0.5'
(C. Wyatt,
0.4-m
Newtonian);
   
28.80,
14.7,
1.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
28.71,
15.2,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
28.71,
14.5,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
28.71,
14.9,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
   
28.41,
15.4,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
27.75,
14.4,
1.3'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
27.10,
14.9,
0.7'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
   
25.87,
14.4,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
24.75,
14.6,
1.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
23.83,
14.8,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
23.39,
15.1,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
   
22.42,
14.8,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
   
21.86,
14.5,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
   
21.46,
14.2,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
20.78,
14.7,
0.38'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
   
19.82,
15.3,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
   
19.56,
14.0,
0.4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
19.11,
13.8,
0.45'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
18.48,
14.4,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.80,
14.4,
0.5'
(M. Meyer,
0.05-m
Refractor + CCD);
   
17.76,
13.8,
0.45'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
   
17.54,
14.1,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
17.44,
14.5,
0.4'
(Y. Yamaguchi,
0.13-m
Refractor + CCD);
   
17.42,
13.5,
0.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
17.41,
15.1,
0.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
17.41,
14.4,
0.3'
(Y. Nagai,
0.05-m
Refractor + CCD);
   
17.41,
14.2,
0.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
16.76,
14.2,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
   
16.75,
14.2,
0.5'
(P. Guzik,
0.326-m
Newtonian);
   
16.55,
14.0,
0.4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
16.41,
13.3,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
16.41,
14.1,
0.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
16.09,
13.6,
0.4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
15.79,
14.2,
0.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
   
15.77,
13.5,
0.3'
(A. Kammerer,
Voelkersbach (Black Forest), Germany,
0.397-m
Newtonian);
   
15.77,
13.5,
1.1'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
15.76,
14.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
   
15.56,
14.3,
--
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
   
15.40,
14.3,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
15.15,
13.9,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
   
14.83,
13.8,
0.12'
(A. Kammerer,
Voelkersbach (Black Forest), Germany,
0.397-m
Newtonian);
   
14.82,
13.9,
1.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
   
14.77,
14.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
   
14.75,
14.0,
0.15'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
   
14.49,
14.4,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
   
14.41,
14.8,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
14.41,
14.1,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
   
13.56,
14.3,
--
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);