2P/Encke
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
12.50,
17.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
11.95,
17.4,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
11.85,
17.8,
0.29'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + 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);
09.09,
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);
07.80,
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,
17.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.78,
17.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.71,
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);
05.78,
17.5,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-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);
05.49,
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);
03.79,
17.1,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.63,
17.5,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
03.60,
17.0,
0.2'
(T. Yusa,
0.05-m
Refractor + CCD);
03.08,
17.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
02.84,
17.5,
0.27'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
02.81,
17.1,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.81,
16.5,
0.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.80,
17.4,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.79,
16.6,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.78,
17.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.78,
17.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.70,
17.5,
0.29'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.64,
17.5,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
02.03,
17.8,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.69,
17.8,
0.3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.35-m
Schmidt-Cassegrain + CCD);
sep
30.86,
17.5,
0.2'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
28.87,
17.8,
0.14'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
26.17,
18.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.99,
18.1,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.93,
15.9,
2.4'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD);
22.87,
18.3,
0.4'
(M. Lošťák,
0.2-m
Newtonian + CCD);
22.69,
18.0,
0.25'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.92,
18.4,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
21.55,
17.3,
0.1'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
20.94,
18.3,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
20.68,
16.9,
0.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
20.58,
17.2,
0.1'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
20.07,
18.0,
0.26'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
19.33,
17.9,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
18.86,
17.0,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.85,
17.3,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
16.96,
18.1,
0.24'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
16.94,
18.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
15.98,
17.9,
0.6'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD);
15.91,
18.4,
0.2'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
10P/Tempel
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
12.53,
11.3,
1.8'
(O. Miyazaki,
0.32-m
Newtonian);
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);
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);
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);
07.51,
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);
03.54,
10.2,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
03.50,
10.3,
3.3'
(T. Yusa,
0.05-m
Refractor + CCD);
03.49,
10.4,
1.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
02.62,
10.1,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.54,
9.9,
7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
02.51,
10.3,
3'
(T. Yusa,
0.05-m
Refractor + CCD);
01.96,
10.4,
4.2'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.62,
9.9,
7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
01.54,
9.9,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
01.51,
9.9,
7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
01.50,
9.7,
3.3'
(T. Yusa,
0.05-m
Refractor + CCD);
01.45,
10.2,
2.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
sep
30.23,
9.8,
8'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
28.49,
9.6,
5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
27.93,
9.1,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
27.50,
9.6,
7'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
26.04,
11.1,
1.5'
(W. Souza,
0.05-m
Refractor + CCD);
22.57,
9.8,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.21,
9.3,
8'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
21.69,
9.0,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.58,
9.4,
7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.58,
9.4,
8'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
20.63,
9.1,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.59,
9.4,
7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
19.27,
9.2,
8'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
17.61,
9.1,
9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.53,
8.9,
8.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
16.98,
8.8,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
16.68,
9.0,
8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.61,
9.1,
10'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
16.59,
9.0,
9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.29,
8.9,
9'
(M. Olason,
Tucson Arizona,
0.03-m
Refractor + CCD);
16.29,
9.4,
6.4'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
16.28,
9.2,
6.4'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
15.98,
8.7,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
15.59,
9.1,
9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.98,
8.7,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
14.97,
9.4,
7.1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
14.59,
9.0,
10'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.26,
9.2,
5.9'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
13.52,
8.4,
21.3'
(R. Ramlow,
Q62,
0.106-m
Refractor + CCD);
11P/Tempel-Swift-LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
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);
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);
03.65,
17.1,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
02.95,
18.0,
0.23'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
02.84,
16.7,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.83,
17.8,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.82,
17.1,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 31 deg);
02.67,
17.0,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
02.05,
17.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
sep
30.81,
18.3,
0.16'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
28.76,
18.4,
0.34'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
25.01,
17.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.98,
17.7,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
21.93,
17.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.93,
17.9,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
21.72,
17.0,
0.4'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
21.57,
17.5,
0.1'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
20.05,
18.1,
0.26'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
19.31,
17.8,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
18.91,
15.9,
1.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
18.90,
18.3,
0.22'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
17.02,
18.4,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
16.93,
18.1,
0.26'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
15.83,
18.7,
0.2'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
14.94,
18.2,
0.21'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
14P/Wolf
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
02.89,
18.5,
0.23'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
02.81,
18.8,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
sep
28.94,
18.5,
0.22'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
20.00,
17.7,
0.26'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
18.96,
18.6,
0.2'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
16.87,
18.5,
0.18'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
15.88,
18.6,
0.19'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
31P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
06.01,
20.2,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
sep
21.05,
20.4,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.07,
19.3,
6.3'
(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
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
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);
03.71,
18.0,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.69,
18.1,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
01.97,
18.6,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.74,
18.2,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
sep
23.61,
18.1,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.05,
19.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
16.79,
17.9,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
78P/Gehrels
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
09.07,
14.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
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);
02.85,
14.8,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 274 deg);
02.74,
14.2,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 287 deg);
sep
30.13,
14.9,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.7'
tail in p.a. 279 deg);
29.74,
14.3,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
26.04,
15.0,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.9'
tail in p.a. 275 deg);
23.86,
14.7,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 270 deg);
23.08,
14.7,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 274 deg);
23.06,
15.4,
1.1'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.03,
15.0,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 273 deg);
22.76,
14.5,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
21.86,
14.7,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 274 deg);
21.77,
13.9,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
21.06,
15.5,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.1'
tail in p.a. 273 deg);
17.20,
14.7,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.04,
14.9,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 273 deg);
84P/Giclas
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
03.57,
17.5,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.3'
tail in p.a. 60 deg);
02.56,
17.6,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
88P/Howell
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
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);
09.02,
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);
07.90,
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);
03.75,
14.8,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.2'
tail in p.a. 258 deg);
03.01,
14.7,
0.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 241 deg);
02.99,
15.8,
0.37'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
1.5'
tail in p.a. 253 deg);
02.72,
14.9,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
02.69,
14.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.6'
tail in p.a. 252 deg);
01.86,
15.7,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.69,
14.9,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.6'
tail in p.a. 250 deg);
sep
26.91,
13.7,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.90,
15.2,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.89,
14.6,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.11,
13.9,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.10,
14.6,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.09,
14.2,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
25.99,
15.0,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD);
25.99,
15.0,
0.8'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 248 deg);
25.13,
15.1,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
6.7'
tail in p.a. 256 deg);
23.69,
14.8,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.2'
tail in p.a. 261 deg);
23.01,
13.1,
4.2'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.45° tail in p.a. 251 deg);
23.00,
14.3,
1.1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 262 deg);
22.91,
15.7,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.77,
14.6,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.69,
14.8,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
21.81,
15.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.77,
14.8,
0.6'
(Y. Nagai,
0.05-m
Refractor + CCD);
21.72,
14.7,
1'
(A. Pearce,
Perth Observatory, Bickley (MPC 323),
0.35-m
Schmidt-Cassegrain + CCD);
21.61,
14.1,
0.3'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
21.43,
14.5,
1'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
5'
tail in p.a. 256 deg);
21.10,
14.4,
1.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
21.03,
15.2,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
20.98,
14.9,
1.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
6'
tail in p.a. 258 deg);
20.81,
15.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.97,
15.1,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.8'
tail in p.a. 255 deg);
17.96,
15.3,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
7'
tail in p.a. 253 deg);
17.96,
16.2,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 252 deg);
17.56,
14.6,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
16.99,
14.9,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
10.1'
tail in p.a. 252 deg);
16.96,
14.0,
1.7'
(M. Meyer,
0.05-m
Refractor + CCD;
3.2'
tail in p.a. 257 deg);
16.94,
14.9,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
16.75,
14.1,
1.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.1'
tail in p.a. 254 deg);
16.11,
14.3,
1'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.03° tail);
16.00,
14.9,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
15.81,
15.0,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.13,
14.0,
1.4'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
15.05,
15.0,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
13.64,
15.0,
0.6'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
93P/Lovas
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
sep
22.14,
17.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
95P/Chiron
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
09.10,
18.5,
0.11'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
02.98,
18.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
02.82,
18.1,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
sep
20.97,
18.5,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
14.99,
18.7,
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
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,
16.1,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.95,
15.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.72,
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);
02.36,
15.8,
0.9'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
sep
29.11,
16.4,
0.5'
(U. Pilz,
Leipzig,
0.03-m
Refractor + CCD);
23.09,
14.0,
3.5'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD);
19.46,
16.5,
0.6'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
19.05,
14.1,
3.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
114P/Wiseman-Skiff
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
02.76,
16.6,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
02.08,
17.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
sep
26.10,
17.3,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.08,
17.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.45,
16.4,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1.5'
tail in p.a. 292 deg);
17.22,
17.5,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.16,
17.0,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
139P/Vaisala-Oterma
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
08.08,
19.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.99,
19.6,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
sep
21.10,
19.9,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
17.04,
20.2,
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
oct
12.77,
11.0,
3'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.76,
13.5,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
12.76,
13.7,
1.8'
(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);
12.52,
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);
11.90,
13.3,
1.1'
(P. Dekelver,
0.3-m
Newtonian + 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);
11.52,
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,
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);
08.84,
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);
07.88,
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);
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,
10.8,
4'
(P. Guzik,
25x100
Binoculars);
05.90,
11.1,
2.4'
(W. Kutschera,
0.508-m
Newtonian);
05.90,
12.4,
2.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
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,
9.6,
14.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.79,
10.3,
14'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.62,
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);
04.87,
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);
04.04,
12.0,
--
(L. Bracero,
Ponce Puerto Rico,
0.03-m
"small telescopes" with aperture in range 4-10 inches + 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,
11.3,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.85,
11.6,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.78,
11.3,
8.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.78,
10.0,
10.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.77,
10.5,
12.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
03.68,
10.6,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
03.62,
11.3,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
03.57,
11.4,
4.2'
(T. Yusa,
0.05-m
Refractor + CCD);
03.46,
11.6,
1.3'
(Y. Nagai,
0.05-m
Refractor + CCD);
02.96,
10.7,
3.8'
(M. Meyer,
0.05-m
Refractor + CCD);
02.96,
10.1,
6.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
02.89,
11.6,
2.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
02.83,
12.9,
1.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
02.81,
10.5,
3'
(M. Paradowski,
Lublin,
0.075-m
Refractor + CCD);
02.81,
10.7,
3'
(M. Paradowski,
Lublin,
0.075-m
Refractor + CCD);
02.80,
9.8,
16'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.80,
9.6,
14.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.79,
9.9,
16.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.64,
11.3,
4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.62,
11.4,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
02.59,
11.3,
4'
(T. Yusa,
0.05-m
Refractor + CCD);
02.46,
11.4,
1.2'
(O. Miyazaki,
0.32-m
Newtonian);
02.17,
11.0,
5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
02.01,
12.1,
3.1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.01,
11.1,
5.4'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.92,
11.3,
2.7'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
01.84,
15.1,
1.1'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
01.81,
13.6,
--
(T. Anic,
Rijeka,
0.2-m
Newtonian + CCD);
01.63,
11.4,
4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
01.62,
11.1,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
01.53,
11.4,
4'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
01.49,
11.9,
2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
01.44,
11.2,
1.1'
(O. Miyazaki,
0.32-m
Newtonian);
01.43,
11.6,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
sep
30.24,
11.2,
4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
29.78,
10.6,
7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
29.78,
11.5,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
29.78,
10.5,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
29.60,
10.9,
3'
(T. Yusa,
0.05-m
Refractor + CCD);
27.95,
11.3,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
27.93,
10.7,
3'
(M. Goiato,
0.22-m
Newtonian);
25.94,
12.1,
1.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
24.97,
13.9,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.65,
12.1,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
23.04,
11.3,
4.2'
(M. Meyer,
0.05-m
Refractor + CCD);
23.02,
10.4,
12'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
22.98,
10.6,
10'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD);
22.77,
13.2,
1'
(D. Swan,
Siding Spring, Coonabarabran, New South Wales, Australia,
0.51-m
Cassegrain reflector + CCD);
22.67,
12.6,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.75,
12.5,
1.2'
(Y. Nagai,
0.05-m
Refractor + CCD);
21.68,
11.9,
3.9'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
21.66,
12.6,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.60,
11.9,
4'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
21.59,
12.4,
0.5'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
21.25,
11.4,
5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
21.01,
13.2,
1.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
20.98,
13.6,
0.9'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
20.67,
12.7,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
20.60,
11.9,
4'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
19.38,
12.4,
1.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
19.02,
13.2,
1.8'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
18.98,
10.9,
9.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
17.98,
12.5,
3.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.98,
13.1,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.97,
12.8,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.67,
12.8,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.53,
11.7,
4'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
17.04,
12.0,
4'
(M. Meyer,
0.05-m
Refractor + CCD);
16.98,
13.8,
1.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
16.73,
12.5,
2.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.67,
13.0,
2.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.64,
12.6,
3'
(A. Pearce,
Lighthouse Observatory, Kalamunda, W. Australia,
0.14-m
Refractor + CCD);
16.51,
12.4,
2.9'
(M. Mattiazzo,
0.07-m
Camera lens + CCD);
15.65,
12.8,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.13,
12.5,
6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
15.06,
13.9,
1.1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
14.74,
11.4,
8.8'
(R. Ramlow,
Q62,
0.13-m
Refractor + CCD);
14.67,
12.9,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
162P/Siding Spring
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
sep
21.49,
17.9,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
169P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
10.82,
13.6,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
06.80,
13.2,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
05.18,
15.4,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
03.09,
14.0,
0.62'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
02.50,
12.2,
3'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
5'
tail in p.a. 277 deg);
sep
29.84,
12.5,
1.7'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
6'
tail in p.a. 280 deg);
28.33,
11.3,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
27.33,
11.2,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
26.50,
11.7,
3.5'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
26.33,
11.4,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
25.15,
11.9,
2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
23.17,
12.7,
1.7'
(P. Dekelver,
0.3-m
Newtonian + CCD;
8.9'
tail in p.a. 277 deg);
23.14,
10.9,
2'
(O. Guthier,
0.125-m
Refractor);
22.81,
12.7,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
21.82,
12.2,
2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
10'
tail in p.a. 278 deg);
21.50,
11.1,
4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
10'
tail in p.a. 279 deg);
19.48,
11.1,
4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
11'
tail in p.a. 278 deg);
18.48,
11.4,
4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
8'
tail in p.a. 280 deg);
188P/LINEAR-Mueller
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
10.07,
19.5,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
sep
17.15,
19.6,
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
oct
11.99,
12.7,
2.4'
(M. Meyer,
0.05-m
Refractor + CCD;
8'
tail in p.a. 262 deg);
11.91,
14.2,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
10.67,
12.8,
2'
(T. Yusa,
0.05-m
Refractor + CCD;
7'
tail in p.a. 261 deg);
09.90,
13.7,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 263 deg);
09.88,
13.9,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.8'
tail in p.a. 264 deg);
09.88,
12.0,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
7.8'
tail in p.a. 265 deg);
09.67,
13.0,
1.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
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);
07.93,
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,
12.8,
5.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
15.3'
tail in p.a. 262 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,
12.4,
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);
06.04,
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,
13.6,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
9.8'
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);
03.85,
13.4,
2.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
17.5'
tail in p.a. 261 deg);
03.73,
13.8,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6'
tail in p.a. 261 deg);
03.70,
14.0,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.7'
tail in p.a. 265 deg);
03.07,
16.2,
0.27'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
9'
tail in p.a. 246 deg);
03.06,
13.9,
1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
4'
tail in p.a. 264 deg);
03.05,
12.7,
2.2'
(M. Paradowski,
Lublin,
0.075-m
Refractor + CCD;
5'
tail in p.a. 261 deg);
03.05,
12.4,
2.2'
(M. Paradowski,
Lublin,
0.075-m
Refractor + CCD;
6'
tail in p.a. 261 deg);
02.77,
13.1,
1.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
11.3'
tail in p.a. 260 deg);
02.70,
12.7,
1.7'
(T. Yusa,
0.05-m
Refractor + CCD;
9.7'
tail in p.a. 262 deg);
02.70,
13.3,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
8.4'
tail in p.a. 264 deg);
02.16,
12.0,
1.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
14'
tail in p.a. 268 deg);
01.93,
12.1,
1.8'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
2.2'
tail in p.a. 258 deg);
01.93,
12.1,
1.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
3.1'
tail in p.a. 269 deg);
01.93,
13.2,
2.2'
(P. Dekelver,
0.3-m
Newtonian + CCD;
7.6'
tail in p.a. 261 deg);
01.70,
13.1,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
3.2'
tail in p.a. 257 deg);
sep
29.95,
13.4,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
28.90,
13.0,
0.9'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
26.16,
12.0,
1.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
3'
tail in p.a. 261 deg);
26.08,
12.7,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 263 deg);
26.08,
12.7,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.2'
tail in p.a. 267 deg);
26.07,
12.7,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
4.7'
tail in p.a. 262 deg);
26.04,
13.3,
1.3'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.9'
tail in p.a. 264 deg);
26.03,
12.7,
1.6'
(M. Meyer,
0.05-m
Refractor + CCD;
2.3'
tail in p.a. 261 deg);
25.94,
13.8,
1.2'
(P. Dekelver,
0.3-m
Newtonian + CCD;
19.7'
tail in p.a. 260 deg);
25.23,
13.7,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.6'
tail in p.a. 263 deg);
24.95,
12.6,
2.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
21'
tail in p.a. 260 deg);
24.79,
11.8,
0.8'
(O. Miyazaki,
0.32-m
Newtonian);
24.20,
13.0,
0.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
4'
tail in p.a. 261 deg);
23.93,
13.7,
0.7'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
0.7'
tail in p.a. 265 deg);
23.71,
13.4,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.5'
tail in p.a. 257 deg);
23.20,
13.1,
0.85'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
4.7'
tail in p.a. 262 deg);
23.10,
12.6,
3.7'
(M. Lošťák,
0.2-m
Newtonian + CCD);
23.05,
11.1,
8.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.34° tail in p.a. 261 deg);
22.95,
11.9,
3.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
11.3'
tail in p.a. 264 deg);
22.93,
12.5,
2.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
19.6'
tail in p.a. 260 deg);
22.76,
13.2,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 256 deg);
22.74,
13.1,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
5.5'
tail in p.a. 255 deg);
22.21,
12.4,
--
(M. Phillips,
0.3-m
Newtonian + CCD);
22.20,
11.8,
2.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
7'
tail in p.a. 261 deg);
21.95,
12.4,
3.2'
(P. Dekelver,
0.3-m
Newtonian + CCD;
18.2'
tail in p.a. 261 deg);
21.81,
11.6,
1.4'
(O. Miyazaki,
0.32-m
Newtonian);
21.76,
12.8,
1.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
21.74,
12.6,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
4.9'
tail in p.a. 257 deg);
21.74,
12.4,
1.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
35'
tail in p.a. 260 deg);
21.71,
13.3,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.3'
tail in p.a. 250 deg);
20.74,
13.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
4'
tail in p.a. 259 deg);
20.64,
13.1,
1.1'
(D. Swan,
Siding Spring, Coonabarabran, New South Wales, Australia,
0.51-m
Cassegrain reflector + CCD);
20.09,
14.4,
0.76'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
8'
tail in p.a. 256 deg);
19.90,
13.0,
1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD;
1.2'
tail in p.a. 263 deg);
19.47,
11.8,
2.3'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
2.01° tail in p.a. 259 deg);
19.39,
11.6,
3'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1.1° tail in p.a. 260 deg);
19.06,
12.3,
2'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
19.01,
10.8,
9.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.17° tail in p.a. 260 deg);
18.05,
12.3,
1.5'
(E. Banach,
0.25-m
Newtonian);
17.95,
13.1,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
9.4'
tail in p.a. 260 deg);
17.94,
12.7,
4.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
14.2'
tail in p.a. 259 deg);
17.94,
13.6,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
8.6'
tail in p.a. 258 deg);
17.55,
12.5,
1.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
17.15,
11.1,
3.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
26'
tail in p.a. 260 deg);
17.12,
12.0,
3.2'
(M. Meyer,
0.05-m
Refractor + CCD;
13.7'
tail in p.a. 260 deg);
16.96,
12.1,
3.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
22.1'
tail in p.a. 261 deg);
16.78,
12.1,
2.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
14.2'
tail in p.a. 259 deg);
16.74,
12.3,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2'
tail in p.a. 253 deg);
16.44,
11.9,
2.5'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
2.34° tail in p.a. 259 deg);
16.31,
11.7,
2.5'
(M. Olason,
Tucson Arizona,
0.03-m
Refractor + CCD;
17'
tail in p.a. 260 deg);
16.15,
11.5,
2.8'
(W. Kutschera,
0.508-m
Newtonian;
0.06° tail);
16.04,
12.2,
1.6'
(Ł. Sanocki,
Kryspinów, Poland,
0.065-m
Refractor + CCD);
15.76,
12.8,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
4.1'
tail in p.a. 256 deg);
15.15,
11.3,
2.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
29'
tail in p.a. 260 deg);
15.08,
12.0,
2.4'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.06,
11.6,
3.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
14.96,
12.1,
3.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
25.7'
tail in p.a. 259 deg);
14.74,
12.5,
1.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.5'
tail in p.a. 257 deg);
14.19,
10.4,
4.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
26'
tail in p.a. 261 deg);
13.67,
12.6,
1.4'
(Y. Yamaguchi,
0.08-m
Refractor + CCD;
3.5'
tail in p.a. 257 deg);
247P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
sep
17.21,
20.0,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.13,
19.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
260P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
09.71,
14.6,
0.4'
(T. Yusa,
0.05-m
Refractor + 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,
15.5,
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);
06.92,
15.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.8'
tail in p.a. 272 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,
15.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 271 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);
03.02,
15.8,
0.42'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
0.8'
tail in p.a. 277 deg);
02.16,
15.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 278 deg);
sep
30.93,
15.6,
0.23'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
1.2'
tail in p.a. 282 deg);
29.68,
14.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
28.89,
15.6,
0.25'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
1.1'
tail in p.a. 274 deg);
26.13,
14.0,
1.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
26.13,
12.8,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 262 deg);
26.12,
13.9,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 267 deg);
26.12,
14.2,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.2'
tail in p.a. 267 deg);
25.92,
15.3,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.05,
14.1,
1.6'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.19° tail in p.a. 267 deg);
22.99,
14.9,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.7'
tail in p.a. 271 deg);
22.72,
14.5,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 265 deg);
21.11,
15.2,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
21.02,
15.1,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 272 deg);
19.10,
14.0,
1.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 267 deg);
19.01,
15.4,
0.29'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
0.7'
tail in p.a. 271 deg);
17.96,
14.9,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 269 deg);
17.95,
15.8,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 269 deg);
17.95,
15.3,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.1'
tail in p.a. 268 deg);
16.08,
14.5,
0.6'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.01° tail);
15.09,
14.8,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
13.71,
14.4,
0.7'
(Y. Yamaguchi,
0.08-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);
sep
29.23,
19.6,
0.23'
(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
06.04,
19.8,
0.11'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
sep
21.13,
19.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.11,
19.2,
0.23'
(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
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);
sep
17.06,
21.1,
0.17'
(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
10.19,
17.8,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
08.20,
18.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
sep
19.22,
17.8,
0.28'
(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
08.11,
21.4,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
450P/LONEOS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
sep
25.15,
19.0,
0.22'
(P. Dekelver,
0.3-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);
sep
25.08,
18.2,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
03.79,
14.9,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.83,
14.6,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.35-m
Schmidt-Cassegrain + CCD);
02.83,
14.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
01.83,
14.7,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
sep
22.83,
14.9,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.78,
14.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2017 K2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
sep
19.05,
18.4,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
C/2021 G2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
11.81,
16.7,
0.3'
(P. Dekelver,
0.3-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,
16.3,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.73,
16.0,
1.2'
(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,
17.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
05.74,
16.6,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.74,
15.5,
1.2'
(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);
03.74,
16.2,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.45,
16.2,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
02.79,
15.0,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.78,
16.0,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.77,
16.4,
1.5'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.74,
15.1,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.74,
16.1,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 202 deg);
02.73,
15.9,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 206 deg);
01.88,
16.6,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
sep
28.88,
17.2,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
26.79,
16.3,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.78,
16.4,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
24.47,
15.6,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
22.49,
16.4,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.47,
15.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
21.81,
16.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.78,
15.6,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
15.80,
16.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
15.80,
15.8,
1.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 232 deg);
15.80,
16.2,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
15.79,
16.3,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
15.78,
16.0,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
15.76,
15.7,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
14.90,
17.0,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
02.81,
18.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.81,
17.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.80,
17.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.02,
18.5,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.99,
18.1,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
sep
25.89,
18.6,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
21.88,
18.3,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.14,
18.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.79,
17.0,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
15.10,
16.5,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
15.09,
16.2,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
15.01,
18.3,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
14.94,
18.4,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2022 N2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
10.18,
16.6,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
sep
26.02,
16.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.14,
15.9,
0.8'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 279 deg);
23.01,
16.4,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.18,
16.2,
0.45'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.11,
16.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2022 QE78 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
sep
25.17,
16.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2022 R6 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
06.16,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.18,
17.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
02.10,
19.2,
0.15'
(P. Dekelver,
0.3-m
Newtonian + CCD);
sep
25.04,
18.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.97,
19.0,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.10,
18.4,
0.28'
(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
05.94,
19.2,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
02.77,
18.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
sep
19.93,
19.2,
0.3'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
17.86,
19.1,
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
sep
23.49,
14.8,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 76 deg);
22.51,
15.1,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
21.52,
15.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
20.53,
14.9,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
19.13,
14.7,
0.6'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1.6'
tail in p.a. 78 deg);
15.54,
15.1,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
14.54,
15.4,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 103 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);
sep
14.88,
18.9,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2024 A1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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
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);
01.81,
17.7,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
sep
25.80,
18.0,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
25.79,
17.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
21.79,
18.0,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
14.85,
18.2,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2024 J3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
11.85,
14.0,
1.1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.2'
tail in p.a. 166 deg);
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,
13.8,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.5'
tail in p.a. 161 deg);
07.73,
14.0,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 161 deg);
07.52,
13.9,
0.9'
(Y. Nagai,
0.05-m
Refractor + CCD);
06.89,
13.3,
0.7'
(T. Sciezor,
Cracow,
0.05-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,
0.05-m
Camera lens + CCD);
05.84,
14.0,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
6.9'
tail in p.a. 167 deg);
05.76,
13.9,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5'
tail in p.a. 161 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,
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);
03.93,
14.2,
0.8'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
03.92,
13.9,
1.1'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.02° tail);
03.88,
14.2,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
03.77,
14.7,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.76,
14.2,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.75,
13.5,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.2'
tail in p.a. 161 deg);
03.74,
13.9,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.7'
tail in p.a. 159 deg);
03.74,
14.2,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 161 deg);
03.46,
13.2,
0.7'
(O. Miyazaki,
0.32-m
Newtonian);
03.44,
14.1,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
02.91,
14.0,
1.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.6'
tail in p.a. 161 deg);
02.88,
13.9,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD);
02.78,
14.3,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
02.76,
14.3,
2.1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2'
tail in p.a. 157 deg);
02.76,
14.1,
2.1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
02.76,
12.9,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.9'
tail in p.a. 162 deg);
02.76,
14.1,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.3'
tail in p.a. 159 deg);
02.75,
13.6,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
6.4'
tail in p.a. 162 deg);
02.75,
13.9,
2.1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.7'
tail in p.a. 154 deg);
02.74,
14.7,
0.42'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
1.2'
tail in p.a. 170 deg);
01.95,
14.0,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.8'
tail in p.a. 165 deg);
01.43,
12.9,
0.7'
(O. Miyazaki,
0.32-m
Newtonian);
01.41,
14.2,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
sep
30.76,
13.2,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
30.75,
13.7,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 165 deg);
30.75,
13.4,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 163 deg);
29.95,
14.1,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
29.75,
13.5,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.6'
tail in p.a. 163 deg);
29.75,
14.3,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 159 deg);
29.74,
14.1,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.6'
tail in p.a. 160 deg);
29.52,
13.8,
1.1'
(T. Yusa,
0.05-m
Refractor + CCD);
28.90,
14.1,
0.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
28.74,
14.0,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
28.74,
12.5,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
28.73,
13.5,
1.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
27.83,
14.2,
1.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
26.83,
14.1,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.83,
11.6,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.82,
13.1,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.78,
14.2,
1.2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
26.00,
14.1,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.3'
tail in p.a. 163 deg);
25.90,
14.2,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 158 deg);
25.89,
14.1,
1.2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
25.85,
14.3,
0.6'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
25.80,
12.3,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
25.79,
14.4,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
25.78,
13.6,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
24.93,
14.2,
0.7'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.48,
14.3,
0.6'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
22.92,
14.1,
0.8'
(M. Meyer,
0.05-m
Refractor + CCD);
22.90,
13.7,
2.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.09° tail in p.a. 168 deg);
22.90,
14.1,
1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
2.3'
tail in p.a. 169 deg);
22.84,
13.9,
1.4'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.1° tail in p.a. 166 deg);
22.83,
14.9,
1.8'
(M. Lošťák,
0.2-m
Newtonian + CCD);
22.51,
14.0,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
22.03,
14.1,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.1'
tail in p.a. 164 deg);
21.80,
13.7,
0.6'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
21.53,
13.0,
0.5'
(F. Omori,
Takanabe,
0.2-m
Cassegrain reflector + CCD);
20.90,
14.2,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
20.86,
14.6,
0.35'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
20.81,
13.9,
1.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
4.1'
tail in p.a. 168 deg);
19.85,
15.1,
0.52'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
19.79,
13.4,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
19.78,
14.1,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
19.77,
15.1,
0.3'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
19.77,
13.8,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.94,
14.1,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 177 deg);
18.83,
13.7,
1.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 169 deg);
18.80,
13.9,
2.1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.79,
13.6,
2.1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.9'
tail in p.a. 174 deg);
18.79,
14.6,
2.1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 170 deg);
17.88,
14.1,
0.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
17.76,
14.7,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 164 deg);
17.76,
13.6,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.9'
tail in p.a. 167 deg);
17.76,
13.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.3'
tail in p.a. 165 deg);
17.54,
14.0,
0.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
16.89,
13.5,
0.7'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
16.88,
14.1,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD);
15.95,
13.1,
1.3'
(W. Kutschera,
0.508-m
Newtonian);
15.88,
14.0,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD);
15.85,
13.9,
1.4'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.15° tail in p.a. 170 deg);
15.83,
12.5,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
15.82,
13.8,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
15.81,
13.7,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.9'
tail in p.a. 150 deg);
15.78,
13.5,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.6'
tail in p.a. 164 deg);
15.78,
14.3,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.8'
tail in p.a. 163 deg);
15.78,
14.1,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5'
tail in p.a. 167 deg);
14.83,
13.7,
1.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.11° tail in p.a. 170 deg);
14.81,
13.6,
0.9'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
2.2'
tail in p.a. 169 deg);
14.79,
14.0,
1.1'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 65.4; Moon Alt. -17.4,
0.4-m
Ritchey-Chretien + CCD);
14.79,
13.6,
1.1'
(H. Kiiskinen,
Hankasalmi observatory (62.25470 N, 26.59640 E); Comet Alt. 64.4; Moon Alt. -18.6,
0.4-m
Ritchey-Chretien + CCD);
13.85,
13.7,
0.7'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian;
1'
tail in p.a. 190 deg);
C/2024 R4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
07.53,
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,
15.3,
0.5'
(M. Meyer,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 109 deg);
05.77,
15.3,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 123 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,
15.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 120 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,
15.4,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 123 deg);
03.88,
15.5,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
03.87,
15.1,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 126 deg);
03.77,
15.3,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.3'
tail in p.a. 123 deg);
03.76,
16.1,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 127 deg);
03.76,
15.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 124 deg);
03.53,
15.0,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 115 deg);
03.09,
15.1,
0.5'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.02° tail);
02.92,
15.3,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD;
0.3'
tail in p.a. 116 deg);
02.78,
15.2,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 121 deg);
02.77,
15.9,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.3'
tail in p.a. 120 deg);
02.77,
15.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.1'
tail in p.a. 126 deg);
02.76,
16.0,
0.4'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
2'
tail in p.a. 123 deg);
02.74,
15.7,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 124 deg);
02.74,
15.6,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 129 deg);
02.73,
15.5,
0.9'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 124 deg);
02.53,
15.2,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 117 deg);
02.04,
15.3,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.97,
15.3,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 120 deg);
sep
30.74,
15.1,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
30.73,
14.5,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.4'
tail in p.a. 137 deg);
30.73,
15.2,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 124 deg);
29.96,
15.8,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.7'
tail in p.a. 124 deg);
29.82,
14.9,
0.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.7'
tail in p.a. 126 deg);
29.77,
15.2,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 127 deg);
29.77,
15.8,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.1'
tail in p.a. 122 deg);
29.77,
15.5,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 123 deg);
29.55,
14.6,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
26.86,
14.7,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
26.85,
15.0,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.6'
tail in p.a. 124 deg);
26.84,
15.1,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 130 deg);
25.94,
15.3,
0.48'
(M. Meyer,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 121 deg);
25.87,
15.3,
0.35'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 123 deg);
25.85,
14.9,
0.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
25.82,
14.8,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
25.82,
15.7,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 119 deg);
25.81,
15.1,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 122 deg);
25.09,
15.8,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.1'
tail in p.a. 126 deg);
23.13,
15.3,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.5'
tail in p.a. 120 deg);
22.96,
15.0,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
22.94,
15.0,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.6'
tail in p.a. 128 deg);
22.87,
15.1,
0.6'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
2.5'
tail in p.a. 126 deg);
22.56,
14.5,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
22.05,
15.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.7'
tail in p.a. 136 deg);
20.99,
14.8,
0.35'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
20.94,
14.7,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD;
0.3'
tail in p.a. 129 deg);
19.87,
15.6,
0.34'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
1'
tail in p.a. 136 deg);
18.95,
15.0,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
2.2'
tail in p.a. 130 deg);
18.90,
14.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 132 deg);
17.77,
15.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.8'
tail in p.a. 130 deg);
17.77,
14.6,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 131 deg);
17.77,
15.1,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 132 deg);
17.08,
15.4,
0.48'
(M. Meyer,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 135 deg);
16.90,
14.9,
0.3'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
15.98,
14.6,
0.6'
(W. Kutschera,
0.508-m
Newtonian + CCD;
0.03° tail);
15.92,
15.0,
0.7'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
2.1'
tail in p.a. 130 deg);
15.81,
14.9,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 133 deg);
15.81,
14.3,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 130 deg);
15.80,
15.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.2'
tail in p.a. 131 deg);
14.88,
14.8,
1.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
14.85,
14.9,
0.33'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
1.3'
tail in p.a. 132 deg);
C/2024 T5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
12.78,
13.4,
0.6'
(O. Miyazaki,
0.32-m
Newtonian);
12.12,
13.6,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
1'
tail in p.a. 243 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);
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);
03.77,
13.6,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.3'
tail in p.a. 232 deg);
03.76,
13.9,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 235 deg);
03.05,
14.9,
0.28'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
3.5'
tail in p.a. 233 deg);
02.80,
13.8,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.35-m
Schmidt-Cassegrain + CCD;
4.3'
tail in p.a. 234 deg);
02.76,
14.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 236 deg);
02.15,
13.9,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.5'
tail in p.a. 233 deg);
01.85,
13.8,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.5'
tail in p.a. 233 deg);
01.78,
13.9,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 239 deg);
01.76,
13.9,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 237 deg);
sep
29.76,
13.9,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
27.65,
13.3,
0.9'
(D. Swan,
Siding Spring, Coonabarabran, New South Wales, Australia,
0.508-m
Cassegrain reflector + CCD);
26.13,
13.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 237 deg);
26.08,
14.1,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.3'
tail in p.a. 236 deg);
23.13,
13.7,
1.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.09° tail in p.a. 229 deg);
23.10,
14.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
6.3'
tail in p.a. 233 deg);
22.86,
13.9,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 238 deg);
22.81,
13.8,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 242 deg);
22.79,
13.9,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 235 deg);
21.86,
14.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.2'
tail in p.a. 234 deg);
21.78,
13.9,
0.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
5.5'
tail in p.a. 230 deg);
21.74,
13.8,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 242 deg);
21.10,
14.0,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
5.1'
tail in p.a. 230 deg);
20.86,
14.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 239 deg);
20.10,
14.9,
0.26'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
18.21,
14.2,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
17.86,
14.0,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 234 deg);
16.80,
13.9,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.2'
tail in p.a. 229 deg);
15.86,
14.2,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.1'
tail in p.a. 227 deg);
C/2025 B2 (Borisov)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
07.75,
17.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
sep
19.90,
18.0,
0.21'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
C/2025 J1 (Borisov)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
sep
21.08,
17.4,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
18.20,
18.1,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
15.06,
17.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2026 A2 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
12.78,
12.9,
0.9'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian;
1'
tail in p.a. 95 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);
12.55,
13.2,
1.1'
(O. Miyazaki,
0.32-m
Newtonian);
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);
11.85,
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);
11.75,
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,
0.05-m
Camera lens + CCD;
0.8'
tail in p.a. 280 deg);
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,
13.3,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.9'
tail in p.a. 98 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,
13.6,
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,
0.05-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);
05.86,
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,
0.05-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,
0.05-m
Camera lens + CCD);
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);
03.84,
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);
03.83,
13.9,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 97 deg);
03.76,
13.9,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.7'
tail in p.a. 99 deg);
03.75,
13.3,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.2'
tail in p.a. 101 deg);
03.75,
13.8,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 99 deg);
03.47,
13.8,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 107 deg);
03.42,
13.3,
1.1'
(Y. Nagai,
0.05-m
Refractor + CCD);
02.91,
13.0,
1.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
02.87,
12.8,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 95 deg);
02.86,
13.8,
1.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
2.1'
tail in p.a. 100 deg);
02.86,
14.0,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 98 deg);
02.86,
13.2,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.9'
tail in p.a. 103 deg);
02.83,
13.8,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 83 deg);
02.80,
14.3,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
02.79,
14.8,
0.32'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
1.2'
tail in p.a. 99 deg);
02.78,
14.5,
0.38'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
02.75,
12.8,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 99 deg);
02.75,
13.9,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.3'
tail in p.a. 98 deg);
02.74,
13.4,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 103 deg);
02.46,
13.8,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 91 deg);
01.90,
14.2,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.4'
tail in p.a. 100 deg);
01.81,
13.7,
1.13'
(N. Quinn,
0.28-m
Schmidt-Cassegrain + CCD);
01.53,
13.9,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
01.46,
13.7,
0.8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
2'
tail in p.a. 97 deg);
01.42,
13.3,
1.3'
(Y. Nagai,
0.05-m
Refractor + CCD);
sep
30.79,
13.0,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.4'
tail in p.a. 98 deg);
30.78,
14.0,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.9'
tail in p.a. 95 deg);
30.78,
13.5,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 94 deg);
30.48,
13.4,
1.1'
(T. Yusa,
0.05-m
Refractor + CCD);
29.90,
13.9,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.9'
tail in p.a. 103 deg);
29.76,
14.0,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.8'
tail in p.a. 109 deg);
29.76,
12.8,
2.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 108 deg);
29.75,
13.3,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.8'
tail in p.a. 110 deg);
29.44,
13.9,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
1'
tail in p.a. 95 deg);
28.82,
13.0,
3.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 113 deg);
28.76,
13.5,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 96 deg);
28.76,
13.2,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 98 deg);
28.75,
13.2,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 96 deg);
26.88,
12.9,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 113 deg);
26.87,
14.5,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 110 deg);
26.87,
13.6,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.6'
tail in p.a. 92 deg);
26.79,
14.2,
0.5'
(M. Lombardo,
Zen Observatory, Scandicci (MPC M26),
0.3-m
Ritchey-Chretien + CCD);
25.98,
14.3,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.1'
tail in p.a. 101 deg);
25.86,
14.1,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 90 deg);
25.86,
14.4,
0.46'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 91 deg);
25.85,
14.5,
0.42'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 88 deg);
25.83,
13.3,
2.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.04° tail in p.a. 104 deg);
25.06,
14.3,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.44,
14.2,
0.49'
(Y. Yamaguchi,
0.08-m
Refractor + CCD);
24.43,
14.1,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 95 deg);
23.12,
14.2,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.9'
tail in p.a. 102 deg);
22.88,
14.1,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 94 deg);
22.86,
13.3,
3.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 97 deg);
22.81,
13.5,
2.4'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 107 deg);
22.53,
14.0,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 102 deg);
22.01,
14.1,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2'
tail in p.a. 104 deg);
21.87,
15.1,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
21.82,
14.0,
0.6'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
1.4'
tail in p.a. 107 deg);
20.89,
13.8,
1.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
20.86,
14.4,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 95 deg);
20.82,
14.3,
0.6'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 99 deg);
20.79,
14.0,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.7'
tail in p.a. 108 deg);
19.88,
15.7,
0.27'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
0.8'
tail in p.a. 87 deg);
19.83,
13.3,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 105 deg);
19.82,
13.5,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 105 deg);
19.82,
14.1,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 106 deg);
19.26,
13.7,
0.9'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2.5'
tail in p.a. 101 deg);
18.86,
14.3,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 102 deg);
18.86,
13.6,
2.3'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 110 deg);
18.83,
13.8,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.6'
tail in p.a. 100 deg);
18.83,
12.2,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.82,
13.5,
3'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 108 deg);
17.95,
15.2,
1'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
17.89,
14.5,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
17.79,
13.7,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 108 deg);
17.78,
14.7,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.5'
tail in p.a. 110 deg);
17.78,
14.3,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.1'
tail in p.a. 108 deg);
16.88,
14.2,
0.8'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
16.83,
14.3,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 101 deg);
15.87,
13.5,
3.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 119 deg);
15.87,
12.2,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 124 deg);
15.86,
13.6,
3.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 112 deg);
15.85,
13.5,
4.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 111 deg);
15.83,
14.5,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD;
0.5'
tail in p.a. 100 deg);
15.82,
14.0,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 106 deg);
15.82,
14.8,
1.1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 107 deg);
15.82,
14.4,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 106 deg);
15.81,
13.6,
3'
(T. Lehmann,
Weimar,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 114 deg);
15.07,
13.7,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.6'
tail in p.a. 94 deg);
15.06,
14.5,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 109 deg);
15.04,
13.8,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 106 deg);
14.83,
14.2,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
1.2'
tail in p.a. 102 deg);
14.83,
14.5,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
14.80,
14.1,
1.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
13.85,
14.5,
0.6'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
C/2026 AZ17 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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,
17.6,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.76,
17.2,
0.5'
(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);
03.73,
17.3,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.84,
17.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
sep
25.81,
17.7,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
22.82,
16.8,
0.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.4'
tail in p.a. 75 deg);
21.84,
17.1,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
15.77,
18.0,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
15.77,
16.8,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
15.76,
17.3,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.2'
tail in p.a. 121 deg);
14.87,
17.5,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
14.80,
16.8,
0.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.5'
tail in p.a. 118 deg);
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
sep
16.92,
18.4,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2026 P2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
sep
23.09,
17.9,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
C/2026 S2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
03.17,
18.8,
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/2021 N1 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
sep
22.98,
19.1,
0.15'
(P. Dekelver,
0.3-m
Newtonian + CCD);
19.41,
18.2,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
0.6'
tail in p.a. 270 deg);
P/2026 R2 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
oct
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);
10.81,
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);
08.82,
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);
07.77,
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);
06.15,
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);
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);
03.43,
11.8,
0.9'
(O. Miyazaki,
0.32-m
Newtonian);
03.43,
12.2,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
03.42,
12.9,
2'
(T. Yusa,
0.05-m
Refractor + CCD);
03.41,
12.0,
3.3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 70 deg);
02.79,
12.1,
3.5'
(M. Meyer,
0.05-m
Refractor + CCD);
02.79,
11.6,
4.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
02.43,
12.5,
1'
(O. Miyazaki,
0.32-m
Newtonian);
02.41,
13.0,
2'
(T. Yusa,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 75 deg);
02.10,
11.9,
4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 73 deg);
01.88,
14.6,
0.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.83,
13.0,
1.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.1'
tail in p.a. 69 deg);
01.42,
12.2,
3'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
1.8'
tail in p.a. 65 deg);
01.41,
12.8,
0.6'
(O. Miyazaki,
0.32-m
Newtonian);
01.40,
13.0,
1'
(Y. Nagai,
0.05-m
Refractor + CCD);
sep
30.46,
13.8,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD);
30.42,
12.6,
2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
0.8'
tail in p.a. 70 deg);
30.10,
12.5,
4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
29.78,
11.8,
7.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
29.48,
13.3,
1.5'
(T. Yusa,
0.05-m
Refractor + CCD);
28.85,
12.4,
4.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
28.82,
13.0,
3.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 113 deg);
28.78,
12.2,
6.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
28.77,
12.3,
5.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
27.78,
13.7,
1.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
25.83,
13.6,
1.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.7'
tail in p.a. 71 deg);
25.83,
16.5,
0.38'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
25.82,
13.0,
2.5'
(M. Meyer,
0.05-m
Refractor + CCD);
25.78,
12.8,
5.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.7'
tail in p.a. 60 deg);
25.76,
13.1,
2.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
24.84,
13.1,
1.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.8'
tail in p.a. 70 deg);
23.85,
12.1,
3.1'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.5'
tail in p.a. 53 deg);
22.84,
14.9,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.4'
tail in p.a. 60 deg);
22.83,
13.7,
2.2'
(M. Meyer,
0.05-m
Refractor + CCD);
22.81,
14.9,
1.2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
22.78,
12.9,
5.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.1'
tail in p.a. 66 deg);
22.77,
13.5,
2.4'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
22.48,
15.5,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
22.45,
13.8,
1.8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
1.5'
tail in p.a. 78 deg);
22.14,
14.4,
1.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
21.84,
15.1,
0.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
21.19,
14.8,
1.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
20.88,
13.3,
3.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.8'
tail in p.a. 67 deg);
20.82,
14.8,
2.6'
(M. Meyer,
0.05-m
Refractor + CCD);
20.81,
16.8,
0.38'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
20.81,
14.9,
1.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
20.47,
14.2,
2.1'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 75 deg);
19.89,
15.0,
1.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
19.18,
15.0,
1.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
18.84,
14.9,
0.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.5'
tail in p.a. 76 deg);
18.83,
15.7,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
16.83,
14.8,
0.8'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
16.47,
15.7,
1.1'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);