2P/Encke
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
13.19,
21.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
10P/Tempel
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
16.65,
9.1,
4'
(J. Pile,
San Rafael, Bulacan, Philippines,
0.114-m
Newtonian);
16.17,
8.4,
16.1'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.17,
9.0,
11.5'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.17,
7.9,
16.1'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
16.09,
8.9,
6.4'
(W. Kutschera,
0.08-m
Refractor);
16.06,
10.0,
3'
(M. Deconinck,
Fernelmont,
0.25-m
Cassegrain reflector);
16.04,
8.3,
15'
(M. Meyer,
0.05-m
Refractor + CCD);
16.03,
8.4,
13'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
15.44,
9.1,
15'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
15.19,
8.4,
9.8'
(N. Paul,
Canary Islands (MPC G40),
0.28-m
Schmidt reflector + CCD);
14.96,
9.0,
7'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
14.59,
8.4,
14'
(O. Miyazaki,
18x50
Binoculars);
14.55,
9.5,
5.4'
(O. Miyazaki,
0.32-m
Newtonian);
14.30,
8.9,
3'
(A. Amorim,
0.09-m
Refractor);
14.14,
8.7,
4.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
14.12,
8.4,
5.7'
(N. Paul,
Canary Islands (MPC G40),
0.5-m
Cassegrain reflector + CCD);
14.08,
8.4,
12.6'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD);
14.06,
8.7,
13.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.99,
12.3,
1.5'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
13.75,
8.6,
12'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
13.50,
8.4,
12'
(C. Wyatt,
10x50
Binoculars);
13.17,
9.2,
3'
(M. Goiato,
0.22-m
Newtonian);
13.13,
9.6,
2.9'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
13.10,
8.4,
5.1'
(N. Paul,
Canary Islands (MPC G40),
0.5-m
Cassegrain reflector + CCD);
13.09,
9.3,
4.5'
(W. Kutschera,
0.08-m
Refractor);
13.04,
8.3,
15.9'
(M. Meyer,
0.05-m
Refractor + CCD);
13.03,
9.8,
4'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
13.01,
8.2,
16.6'
(M. Lošťák,
0.05-m
Refractor + CCD);
13.00,
8.3,
8'
(U. Pilz,
16x70
Binoculars);
13.00,
9.4,
4.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.99,
8.5,
8'
(A. Kammerer,
Voelkersbach (Black Forest),
0.397-m
Newtonian);
12.97,
9.0,
3'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
12.76,
8.8,
12'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
12.04,
8.8,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
12.04,
8.4,
15.3'
(M. Meyer,
0.05-m
Refractor + CCD);
12.03,
10.1,
4.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
12.02,
9.2,
26'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
12.02,
8.7,
12'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
12.02,
10.5,
0.8'
(W. Hasubick,
0.44-m
Newtonian);
11.99,
9.4,
5'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
11.94,
8.1,
10.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
11.77,
8.9,
11'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
11.38,
8.9,
8.6'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
11.13,
9.7,
1.8'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
11.08,
10.2,
--
(W. Kutschera,
0.25-m
Newtonian);
11.08,
8.1,
13'
(J. Gonzalez Suarez,
10x50
Binoculars);
11.04,
10.8,
3'
(M. Deconinck,
Fernelmont,
0.25-m
Cassegrain reflector);
11.03,
8.9,
5'
(V. Díaz,
La Romana, Alicante, Spain,
0.2-m
Newtonian);
10.97,
9.4,
2.3'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
10.97,
9.3,
5'
(C. Harder,
Jeersdorf f,
0.252-m
Newtonian);
10.77,
8.9,
11'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.67,
9.3,
4.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.67,
8.8,
8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.67,
8.4,
11.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.13,
9.9,
2'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
10.10,
9.1,
3'
(M. Goiato,
20x100
Binoculars);
10.04,
12.8,
2'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
10.02,
8.5,
15'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
10.00,
8.5,
13.1'
(M. Meyer,
0.05-m
Refractor + CCD);
09.98,
9.5,
2'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
09.97,
9.8,
6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.96,
10.1,
14'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.67,
9.9,
4'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.61,
10.1,
1.7'
(O. Miyazaki,
0.32-m
Newtonian);
09.31,
9.0,
11'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
09.13,
9.5,
3.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
09.10,
9.0,
2'
(A. Amorim,
0.09-m
Refractor);
09.03,
9.6,
4.8'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
08.96,
8.9,
9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
08.96,
8.5,
11.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.03-m
Refractor + CCD);
08.94,
9.2,
4'
(C. Harder,
Jeersdorf f,
0.35-m
Newtonian);
08.92,
9.3,
4'
(E. Banach,
0.25-m
Newtonian);
08.77,
9.0,
10'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
08.60,
10.2,
3.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
08.37,
8.7,
7.4'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
08.16,
9.3,
2.2'
(A. Ferrao,
0.114-m
Newtonian);
08.08,
9.0,
2'
(A. Amorim,
0.09-m
Refractor);
07.97,
9.0,
2.3'
(V. Gonano,
udine, Italy,
20x80
Binoculars);
07.78,
9.1,
10'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.13,
11.4,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
07.10,
9.4,
2.8'
(N. Paul,
Canary Islands (MPC G40),
0.5-m
Cassegrain reflector + CCD);
06.78,
9.1,
10'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD);
06.48,
8.8,
10'
(M. Mattiazzo,
Lake Boga, Victoria,
15x70
Binoculars);
06.47,
8.4,
11.7'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
06.11,
8.8,
13.8'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
4.3'
tail in p.a. 301 deg);
06.11,
10.0,
6.6'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
2.2'
tail in p.a. 298 deg);
06.09,
11.9,
0.42'
(À. Bueno,
AstroGRN Trevinca (MPC XX6),
0.12-m
Refractor + CCD);
05.85,
8.4,
24'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
2.4° tail in p.a. 266 deg);
05.12,
11.4,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
04.12,
10.4,
1.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
03.11,
11.5,
0.35'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
01.95,
9.1,
6.2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
jun
30.11,
12.2,
0.25'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
29.14,
11.4,
0.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
29.06,
10.8,
4.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.68,
10.7,
3.3'
(T. Yusa,
0.05-m
Refractor + CCD);
27.70,
10.3,
3.9'
(T. Yusa,
0.05-m
Refractor + CCD);
27.11,
10.7,
2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
27.11,
11.5,
1.2'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
27.00,
10.0,
6.7'
(M. Paradowski,
Dabrowa, Poland,
0.05-m
Camera lens + CCD);
27.00,
9.7,
6.7'
(M. Paradowski,
Dabrowa, Poland,
0.05-m
Camera lens + CCD);
26.97,
9.0,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
26.91,
10.3,
2.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
26.46,
9.6,
8'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
26.03,
9.4,
19'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
26.03,
10.2,
4.6'
(M. Lošťák,
0.05-m
Refractor + CCD);
26.00,
8.8,
9.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
25.90,
10.3,
1.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
24.97,
10.2,
4.4'
(M. Paradowski,
Dabrowa, Poland,
0.254-m
Schmidt-Newtonian + CCD);
24.97,
9.9,
4.4'
(M. Paradowski,
Dabrowa, Poland,
0.254-m
Schmidt-Newtonian + CCD);
24.97,
9.4,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
24.96,
9.6,
6'
(P. Guzik,
25x100
Binoculars);
24.90,
10.9,
1'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
24.79,
10.1,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.63,
10.2,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.39,
9.9,
5.1'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
24.02,
10.0,
6.3'
(M. Meyer,
0.05-m
Refractor + CCD);
23.99,
9.3,
7.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
23.79,
10.4,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
23.63,
10.2,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
23.43,
9.0,
23'
(T. Lehmann,
Utah (remote),
0.28-m
Newtonian + CCD);
23.41,
9.8,
10'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD);
23.00,
10.4,
5'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
22.97,
9.3,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
22.79,
10.5,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.71,
9.6,
5'
(C. Wyatt,
0.25-m
Newtonian);
22.11,
10.5,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
22.07,
10.1,
6.6'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD;
12.2'
tail in p.a. 255 deg);
21.98,
9.8,
7.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
2.7'
tail in p.a. 342 deg);
21.11,
9.9,
4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
21.10,
10.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
21.03,
9.3,
16'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
20.96,
10.0,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
20.96,
12.7,
0.36'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
20.35,
10.4,
3.5'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
20.05,
13.7,
1.3'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
19.94,
12.3,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 268 deg);
19.69,
10.4,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
19.30,
11.0,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
19.11,
10.5,
2'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
19.02,
10.3,
5.3'
(M. Meyer,
0.05-m
Refractor + CCD);
19.01,
9.5,
16'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
18.99,
11.5,
8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.98,
11.0,
4'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
18.95,
9.4,
12'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.95,
10.6,
8.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.94,
11.0,
10.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.75,
10.8,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.63,
10.4,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
18.29,
11.0,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
18.11,
11.0,
1.4'
(W. Kutschera,
0.508-m
Newtonian);
18.03,
10.7,
4'
(M. Meyer,
0.05-m
Refractor + CCD);
18.00,
11.4,
4'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
17.96,
9.5,
11'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.96,
10.6,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.95,
10.9,
9.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.5'
tail in p.a. 240 deg);
17.75,
10.9,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.63,
10.7,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.42,
10.6,
4.8'
(N. Paul,
iTelescope Observatory, Beryl Junction (MPC U94),
0.43-m
Schmidt-Cassegrain + CCD);
17.30,
10.8,
6.2'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD);
17.28,
11.2,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
17.11,
10.2,
5'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
24P/Schaumasse
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
06.43,
15.4,
2.2'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.96,
19.9,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
03.78,
15.2,
3'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.06° tail in p.a. 306 deg);
jun
20.92,
18.6,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
19.27,
14.8,
2.9'
(T. Lehmann,
Utah (remote),
0.28-m
Newtonian + CCD;
0.05° tail in p.a. 315 deg);
18.90,
15.6,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.90,
16.8,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.90,
15.1,
2.2'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
18.89,
16.8,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.88,
14.8,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.88,
16.7,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.88,
16.5,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
10.49,
15.5,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
08.49,
15.4,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.49,
14.5,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.38,
12.4,
3'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
03.20,
14.8,
1'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
jun
27.48,
14.8,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
24.52,
14.4,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.50,
13.3,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
18.49,
13.7,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.49,
13.4,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.49,
13.9,
1.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.92,
17.0,
0.2'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
40P/Vaisala
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
18.94,
18.1,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
63P/Wild
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
06.37,
15.5,
1'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.98,
14.8,
0.8'
(M. Mašek,
Malargue,
0.107-m
Camera lens + CCD);
03.74,
13.0,
4.7'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD);
03.17,
15.1,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
jun
19.86,
15.7,
0.42'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
65P/Gunn
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
13.17,
19.7,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
78P/Gehrels
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.45,
13.4,
0.7'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
07.93,
13.9,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.46,
13.5,
0.7'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
06.93,
14.3,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
jun
29.46,
13.0,
0.8'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 260 deg);
27.45,
13.8,
0.6'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
26.43,
14.4,
0.6'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
1.7'
tail in p.a. 253 deg);
25.46,
13.1,
0.6'
(M. Olason,
Tucson, Arizona,
0.091-m
Refractor + CCD;
1'
tail in p.a. 261 deg);
23.45,
13.5,
0.8'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
23.43,
14.2,
0.6'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
3.5'
tail in p.a. 262 deg);
22.35,
13.2,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
21.45,
13.7,
0.6'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
88P/Howell
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
16.37,
12.7,
2.8'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD;
2.5'
tail in p.a. 248 deg);
16.36,
11.5,
5.5'
(M. Mašek,
Paranal,
0.067-m
Camera lens + CCD);
15.46,
12.5,
2'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
6'
tail in p.a. 252 deg);
14.12,
12.3,
3.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.06,
13.8,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
11.07,
13.9,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD);
10.87,
12.7,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
09.74,
12.6,
1.5'
(Y. Nagai,
0.05-m
Refractor + CCD);
08.87,
12.6,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.86,
12.4,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.87,
12.4,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
jun
29.43,
12.3,
2.3'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
3'
tail in p.a. 253 deg);
29.20,
13.9,
1.1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
28.74,
12.3,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
28.20,
13.7,
1.3'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
27.73,
12.0,
2'
(T. Yusa,
0.05-m
Refractor + CCD);
25.19,
9.5,
4.3'
(N. Paul,
Canary Islands - Observatory (MPC G40),
0.5-m
Schmidt-Cassegrain + CCD;
5.2° tail in p.a. 248 deg);
24.91,
12.0,
2.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.87,
12.1,
2.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
7.6'
tail in p.a. 251 deg);
23.91,
12.0,
2.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
23.42,
11.4,
4.9'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
19.2'
tail in p.a. 244 deg);
22.91,
11.9,
2.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
22.72,
10.5,
3'
(C. Wyatt,
0.25-m
Newtonian);
22.29,
11.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
21.44,
12.2,
2.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
3'
tail in p.a. 248 deg);
21.44,
11.6,
1.3'
(N. Paul,
iTelescope Observatory, Beryl Junction (MPC U94),
0.25-m
Schmidt-Cassegrain + CCD);
21.29,
11.7,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
19.32,
11.6,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
18.89,
11.7,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.32,
11.6,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
17.89,
12.0,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.87,
12.0,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.5'
tail in p.a. 248 deg);
17.32,
11.6,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
16.89,
11.8,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.87,
11.9,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 242 deg);
107P/Wilson-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
04.98,
19.1,
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
jul
13.36,
18.2,
0.3'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD);
jun
25.38,
19.3,
0.2'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD);
169P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
16.01,
15.5,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD);
15.01,
15.6,
0.5'
(W. Kutschera,
0.508-m
Newtonian + CCD);
14.89,
0.0,
--
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
14.03,
15.2,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.97,
15.3,
0.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
13.92,
15.8,
0.3'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD);
13.92,
15.4,
0.3'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD);
13.01,
15.7,
0.6'
(W. Kutschera,
0.508-m
Newtonian + CCD);
12.97,
16.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
12.96,
15.7,
0.1'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.01,
15.9,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
11.99,
15.0,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.98,
15.5,
0.1'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
11.96,
14.8,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
11.51,
16.0,
0.2'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.97,
16.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
10.54,
15.8,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
09.99,
16.0,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
09.97,
14.9,
0.4'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.97,
15.7,
0.4'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.96,
15.8,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
09.93,
16.6,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.04,
16.5,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.57,
15.6,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
08.25,
16.1,
0.25'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
06.46,
16.3,
0.42'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.82,
16.1,
0.4'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD);
04.95,
16.3,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
03.95,
16.2,
0.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
03.22,
15.6,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
03.05,
17.2,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.01,
16.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
jun
29.02,
15.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.66,
16.8,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
27.66,
17.0,
0.4'
(T. Yusa,
0.05-m
Refractor + CCD);
24.61,
16.6,
0.28'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.05,
17.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.61,
17.0,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.76,
16.6,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
19.93,
18.5,
0.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.98,
16.9,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD);
18.97,
17.9,
0.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
17.97,
16.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.97,
16.6,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.97,
17.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.96,
16.9,
0.32'
(M. Meyer,
0.05-m
Refractor + CCD);
17.35,
17.4,
0.4'
(T. Lehmann,
Utah (remote),
0.28-m
Newtonian + CCD);
220P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.48,
13.2,
1.3'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
2'
tail in p.a. 253 deg);
14.12,
12.6,
0.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.3'
tail in p.a. 254 deg);
14.08,
13.0,
2'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.20,
14.9,
1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
12.07,
14.2,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3'
tail in p.a. 251 deg);
11.83,
13.9,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia (MPC P14),
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 249 deg);
11.45,
13.2,
1.4'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
31.1'
tail in p.a. 250 deg);
10.83,
13.6,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2'
tail in p.a. 257 deg);
10.45,
13.5,
0.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
11.2'
tail in p.a. 252 deg);
10.14,
13.4,
0.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.7'
tail in p.a. 246 deg);
10.05,
11.9,
4.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.08° tail in p.a. 250 deg);
10.04,
13.7,
1'
(P. Dekelver,
0.3-m
Newtonian + CCD;
2.5'
tail in p.a. 254 deg);
10.04,
13.2,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 256 deg);
09.72,
13.0,
1'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.38,
12.7,
1.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
2'
tail in p.a. 252 deg);
09.14,
13.0,
0.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.2'
tail in p.a. 249 deg);
08.83,
13.7,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 241 deg);
07.82,
13.3,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 242 deg);
07.14,
12.5,
0.7'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
1.5'
tail in p.a. 251 deg);
06.83,
13.5,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 245 deg);
06.15,
12.5,
0.9'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
2'
tail in p.a. 251 deg);
05.16,
14.4,
0.3'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
05.13,
13.1,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
2.6'
tail in p.a. 250 deg);
04.06,
12.5,
1.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
2.1'
tail in p.a. 246 deg);
03.06,
14.2,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 254 deg);
jun
30.13,
12.7,
0.8'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
6'
tail in p.a. 252 deg);
29.43,
12.4,
1.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
10'
tail in p.a. 248 deg);
29.10,
13.0,
1.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.72,
12.3,
1.4'
(T. Yusa,
0.05-m
Refractor + CCD;
2'
tail in p.a. 247 deg);
28.13,
13.9,
0.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.9'
tail in p.a. 249 deg);
27.72,
12.6,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD;
6'
tail in p.a. 250 deg);
27.43,
12.2,
1.7'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
14'
tail in p.a. 248 deg);
27.12,
12.4,
1'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
26.05,
11.8,
0.6'
(W. Hasubick,
0.44-m
Newtonian);
25.43,
12.3,
1.7'
(M. Olason,
Tucson, Arizona,
0.091-m
Refractor + CCD;
22'
tail in p.a. 249 deg);
25.08,
12.3,
1.6'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD;
3.9'
tail in p.a. 246 deg);
24.87,
12.2,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2'
tail in p.a. 242 deg);
24.83,
12.0,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.43,
12.5,
1.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
81.9'
tail in p.a. 249 deg);
23.87,
12.2,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
5.5'
tail in p.a. 254 deg);
23.83,
11.9,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 238 deg);
23.45,
12.7,
1'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
68.2'
tail in p.a. 250 deg);
23.42,
12.0,
3'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
32.3'
tail in p.a. 249 deg);
22.87,
12.3,
1.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 243 deg);
22.71,
11.8,
2.7'
(C. Wyatt,
0.25-m
Newtonian);
22.45,
12.6,
1.1'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
45.2'
tail in p.a. 248 deg);
22.28,
11.4,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
21.41,
12.0,
2.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
22'
tail in p.a. 248 deg);
21.28,
11.3,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
21.17,
13.6,
1.4'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
21.14,
11.0,
1.6'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
21.14,
9.8,
1.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
3'
tail in p.a. 245 deg);
20.46,
12.5,
1.2'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
47.8'
tail in p.a. 249 deg);
20.32,
12.1,
1'
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD;
3'
tail in p.a. 245 deg);
19.84,
11.7,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2'
tail in p.a. 245 deg);
19.42,
11.6,
2.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
29'
tail in p.a. 248 deg);
19.32,
11.1,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
19.13,
10.1,
3.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
15'
tail in p.a. 248 deg);
19.13,
12.5,
0.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
19.04,
11.5,
3.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.28° tail in p.a. 248 deg);
18.86,
11.8,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
4.3'
tail in p.a. 248 deg);
18.32,
10.9,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
18.05,
12.0,
2.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
17.85,
11.7,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
3.2'
tail in p.a. 244 deg);
17.84,
11.9,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
7.4'
tail in p.a. 248 deg);
17.43,
12.0,
1.5'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
47.7'
tail in p.a. 248 deg);
17.30,
10.8,
1'
(J. de Souza Aguiar,
0.27-m
Newtonian);
17.17,
12.8,
0.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
235P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
13.96,
15.4,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
12.60,
15.6,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
12.01,
16.5,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
11.96,
16.6,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.61,
15.7,
0.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.61,
16.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
10.02,
16.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.90,
15.7,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.59,
15.9,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
08.61,
15.6,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
07.63,
15.7,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 128 deg);
06.63,
15.7,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.45,
14.5,
1'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
04.03,
16.3,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.02,
16.3,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
03.98,
16.2,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
02.99,
15.8,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.76,
14.2,
2.1'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.32° tail in p.a. 261 deg);
01.96,
15.6,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.94,
15.3,
0.8'
(M. Meyer,
0.05-m
Refractor + CCD);
jun
29.35,
14.7,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
27.64,
14.6,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
24.63,
15.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.49,
14.9,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
23.63,
14.8,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.2'
tail in p.a. 229 deg);
23.51,
14.8,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.67,
14.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.63,
15.1,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
20.94,
13.4,
4.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.21° tail in p.a. 263 deg);
20.93,
14.2,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
20.92,
14.1,
1.3'
(M. Lošťák,
0.2-m
Newtonian + CCD);
20.92,
15.3,
1.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
20.04,
15.5,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
19.99,
15.3,
0.42'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
19.89,
15.3,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 254 deg);
18.91,
15.0,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.5'
tail in p.a. 262 deg);
18.91,
13.1,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
tail in p.a. 254 deg);
18.90,
14.7,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.5'
tail in p.a. 255 deg);
18.90,
14.5,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 248 deg);
18.58,
15.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.99,
14.8,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.9'
tail in p.a. 245 deg);
17.58,
14.9,
0.65'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
245P/WISE
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
10.07,
19.8,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
260P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.47,
14.5,
0.5'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
14.11,
15.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.05,
15.3,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.6'
tail in p.a. 240 deg);
12.06,
15.0,
0.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
2.1'
tail in p.a. 241 deg);
11.04,
15.4,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 245 deg);
09.75,
15.1,
0.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.44,
14.8,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
3'
tail in p.a. 256 deg);
04.06,
15.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.7'
tail in p.a. 243 deg);
jun
29.44,
14.8,
0.5'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1'
tail in p.a. 249 deg);
23.85,
15.6,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
21.43,
15.6,
0.5'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
18.84,
15.7,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2021 G2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.96,
16.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
13.98,
15.7,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.97,
16.2,
0.7'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 240 deg);
13.97,
15.5,
0.7'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
0.5'
tail in p.a. 240 deg);
12.97,
15.6,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
12.92,
16.8,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
11.98,
16.2,
0.47'
(M. Meyer,
0.05-m
Refractor + CCD);
10.95,
15.6,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 218 deg);
09.94,
15.1,
1.3'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 229 deg);
09.93,
15.8,
1.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.92,
16.0,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.02,
15.9,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1'
tail in p.a. 217 deg);
06.45,
15.2,
1'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
0.8'
tail in p.a. 222 deg);
04.01,
16.7,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
03.22,
15.4,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
03.03,
16.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.02,
15.5,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
jun
29.00,
15.4,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.62,
15.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
28.57,
15.1,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
27.97,
15.5,
0.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
27.61,
15.4,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
25.08,
15.3,
1'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.07° tail in p.a. 224 deg);
24.93,
15.2,
1.1'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
24.54,
15.3,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
24.03,
15.8,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.8'
tail in p.a. 234 deg);
23.54,
15.5,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
22.68,
15.0,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
20.95,
16.3,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
20.90,
15.2,
1.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 228 deg);
20.01,
16.1,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
19.99,
16.5,
0.42'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
19.92,
15.8,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 228 deg);
18.95,
15.8,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.8'
tail in p.a. 234 deg);
C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
10.15,
17.9,
0.34'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
09.95,
17.5,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.35,
16.6,
0.6'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
03.97,
17.1,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
jun
25.99,
16.4,
1.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.2'
tail in p.a. 33 deg);
18.43,
16.5,
1.2'
(T. Lehmann,
Utah (remote),
0.28-m
Newtonian + CCD;
0.11° tail in p.a. 37 deg);
C/2022 QE78 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
03.87,
16.5,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.18,
15.3,
0.7'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
jun
19.89,
16.4,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
19.87,
15.7,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.86,
15.9,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
C/2022 R6 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
17.45,
17.3,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
05.15,
18.6,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2023 H5 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
10.03,
18.8,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
jun
20.07,
19.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
19.97,
18.3,
0.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
17.90,
18.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.92,
13.4,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.7'
tail in p.a. 80 deg);
14.91,
13.6,
0.6'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
14.51,
13.5,
0.9'
(O. Miyazaki,
0.32-m
Newtonian);
13.94,
13.1,
1.1'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.90,
13.9,
0.9'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
13.49,
13.0,
0.8'
(C. Wyatt,
0.4-m
Newtonian;
1'
tail in p.a. 72 deg);
13.00,
14.6,
1'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
12.94,
13.4,
1'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.92,
13.5,
0.5'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
12.68,
13.7,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 91 deg);
11.99,
13.7,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.9'
tail in p.a. 72 deg);
11.94,
13.2,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
11.94,
13.5,
1.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.07° tail in p.a. 71 deg);
11.94,
13.6,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 76 deg);
11.93,
13.3,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.89,
13.8,
0.9'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 75 deg);
11.69,
13.8,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 78 deg);
10.69,
13.8,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 75 deg);
10.51,
13.4,
0.8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 78 deg);
10.51,
13.2,
0.5'
(O. Miyazaki,
0.32-m
Newtonian);
10.50,
13.8,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
10.01,
14.1,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.4'
tail in p.a. 74 deg);
09.90,
13.4,
1.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.1° tail in p.a. 74 deg);
09.89,
14.9,
3.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.2'
tail in p.a. 73 deg);
09.89,
14.6,
1.1'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.89,
13.4,
1.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.56,
13.6,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD;
1'
tail in p.a. 70 deg);
09.23,
13.3,
0.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
7.4'
tail in p.a. 69 deg);
08.98,
14.1,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.8'
tail in p.a. 80 deg);
08.92,
13.3,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
1'
tail in p.a. 72 deg);
08.91,
14.0,
0.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 72 deg);
08.69,
13.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
08.58,
13.5,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 75 deg);
07.71,
13.6,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 70 deg);
06.71,
13.6,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 73 deg);
06.44,
13.3,
1.2'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD;
6'
tail in p.a. 69 deg);
06.04,
14.0,
0.7'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
0.9'
tail in p.a. 78 deg);
06.04,
13.6,
0.7'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD;
0.7'
tail in p.a. 81 deg);
05.80,
13.5,
1.3'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.1° tail in p.a. 73 deg);
04.05,
14.0,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.04,
14.1,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.1'
tail in p.a. 74 deg);
03.99,
13.9,
0.6'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD;
0.3'
tail in p.a. 78 deg);
03.98,
13.5,
1.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.06° tail in p.a. 69 deg);
03.01,
13.8,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.9'
tail in p.a. 73 deg);
01.98,
13.9,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.2'
tail in p.a. 82 deg);
01.98,
13.2,
1'
(M. Meyer,
0.05-m
Refractor + CCD;
0.4'
tail in p.a. 76 deg);
01.90,
13.7,
0.7'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 74 deg);
jun
30.91,
14.1,
0.44'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
29.35,
13.0,
0.9'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1'
tail in p.a. 78 deg);
28.98,
13.7,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
27.58,
12.8,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
0.6'
tail in p.a. 83 deg);
25.91,
11.9,
0.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 72 deg);
25.13,
13.3,
1.2'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.06° tail in p.a. 73 deg);
24.71,
13.5,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 77 deg);
24.56,
13.4,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
24.51,
13.4,
0.9'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.5'
tail in p.a. 75 deg);
24.15,
13.0,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD;
1.1'
tail in p.a. 77 deg);
24.01,
13.8,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.5'
tail in p.a. 79 deg);
23.96,
13.2,
2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
23.95,
13.5,
0.7'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.6'
tail in p.a. 72 deg);
23.93,
12.8,
1.5'
(M. Meyer,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 79 deg);
23.71,
13.4,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 76 deg);
23.53,
13.4,
0.9'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 76 deg);
22.71,
13.4,
0.9'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 74 deg);
22.70,
13.3,
0.9'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.2'
tail in p.a. 75 deg);
22.70,
13.1,
0.8'
(C. Wyatt,
0.25-m
Newtonian);
21.93,
13.2,
1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 69 deg);
20.99,
13.1,
2.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.16° tail in p.a. 71 deg);
20.98,
14.0,
0.23'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
20.97,
12.9,
1.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
20.97,
14.1,
1.8'
(M. Lošťák,
0.2-m
Newtonian + CCD);
19.98,
13.8,
0.7'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
19.93,
13.8,
0.55'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
1.8'
tail in p.a. 73 deg);
19.90,
14.2,
4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 76 deg);
18.94,
13.3,
1.2'
(M. Meyer,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 76 deg);
18.93,
12.8,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.3'
tail in p.a. 74 deg);
18.93,
13.5,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 74 deg);
18.92,
13.5,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.5'
tail in p.a. 71 deg);
18.91,
14.0,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.6'
tail in p.a. 67 deg);
18.68,
13.3,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 62 deg);
18.60,
13.5,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.95,
12.5,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 74 deg);
17.95,
13.2,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 77 deg);
17.94,
13.3,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.8'
tail in p.a. 74 deg);
17.93,
13.2,
1.1'
(M. Meyer,
0.05-m
Refractor + CCD;
1'
tail in p.a. 78 deg);
17.68,
13.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 75 deg);
17.57,
13.5,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.24,
13.0,
0.7'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
6.7'
tail in p.a. 67 deg);
16.95,
13.4,
0.7'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 78 deg);
C/2023 T3 (Fuls)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
12.91,
20.0,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
jun
19.97,
18.9,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
18.94,
18.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2023 X2 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
05.93,
19.1,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.91,
19.4,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
jun
29.03,
19.3,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
20.00,
18.7,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
19.98,
19.1,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
17.91,
18.6,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 A1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
17.90,
18.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 G4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
18.92,
18.1,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 G6 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
12.95,
17.9,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
11.97,
17.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.99,
17.9,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
09.91,
17.4,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
08.96,
17.6,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
04.02,
18.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.00,
16.8,
0.31'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
03.99,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.97,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
jun
28.96,
17.4,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
27.01,
17.3,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
23.95,
17.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.5'
tail in p.a. 154 deg);
19.99,
17.9,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
19.95,
17.7,
0.21'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
19.88,
17.8,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.94,
17.8,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
17.96,
17.5,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
17.89,
16.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 174 deg);
17.89,
17.9,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 171 deg);
17.89,
17.8,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 J3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.87,
15.2,
0.33'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
15.06,
14.4,
0.7'
(W. Kutschera,
0.508-m
Newtonian + CCD);
14.92,
16.2,
1.5'
(T. Ferreira,
Dobsonian Power (MPC R39),
0.41-m
Newtonian + CCD);
14.86,
16.2,
0.48'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
14.00,
13.2,
1.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
13.02,
14.3,
1.1'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
12.97,
14.2,
0.5'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.01,
13.7,
--
(G. van Buitenen,
Dordrecht, Sterrenburg (G06),
0.203-m
Ritchey-Chretien + CCD);
11.96,
14.8,
0.35'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
10.48,
14.5,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
09.94,
14.7,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
09.93,
13.8,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
09.54,
14.2,
0.4'
(Y. Nagai,
0.05-m
Refractor + CCD);
09.53,
14.0,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
09.02,
14.6,
0.6'
(W. Kutschera,
0.508-m
Newtonian + CCD);
08.90,
13.8,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
08.53,
14.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
06.02,
14.5,
0.27'
(À. Bueno,
AstroGRN Trevinca (MPC XX6),
0.12-m
Refractor + CCD);
05.88,
15.8,
0.29'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
03.95,
15.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.03,
15.2,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
01.99,
14.4,
0.5'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
jun
30.88,
14.9,
0.54'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
29.53,
13.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
29.04,
14.0,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.59,
13.7,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
28.54,
14.1,
0.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
27.94,
13.9,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
27.68,
13.9,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
26.88,
15.0,
0.62'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
25.94,
13.8,
1.4'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.3'
tail in p.a. 198 deg);
25.02,
13.9,
0.53'
(M. Paradowski,
Dabrowa, Poland,
0.254-m
Schmidt-Newtonian + CCD);
25.02,
14.2,
0.53'
(M. Paradowski,
Dabrowa, Poland,
0.254-m
Schmidt-Newtonian + CCD);
24.54,
14.2,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
24.09,
14.5,
0.7'
(W. Kutschera,
0.508-m
Newtonian + CCD);
24.06,
15.0,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
24.04,
14.2,
1.1'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
23.98,
13.9,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD);
22.87,
15.5,
0.44'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
21.00,
14.5,
1.6'
(M. Lošťák,
0.2-m
Newtonian + CCD);
21.00,
13.5,
1.5'
(M. Lošťák,
0.2-m
Newtonian + CCD);
20.95,
14.8,
0.28'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
20.35,
13.9,
1.5'
(T. Lehmann,
Utah (remote),
0.28-m
Newtonian + CCD;
0.06° tail in p.a. 206 deg);
19.96,
15.0,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
19.92,
15.3,
0.44'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
18.08,
14.1,
0.8'
(W. Kutschera,
0.508-m
Newtonian + CCD);
17.99,
14.3,
0.8'
(M. Meyer,
0.05-m
Refractor + CCD);
17.94,
13.9,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.94,
13.5,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.93,
14.5,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 R4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
14.04,
14.5,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
12.99,
15.1,
0.2'
(C. Harder,
Jeersdorf f,
0.531-m
Newtonian);
12.00,
14.9,
0.25'
(C. Harder,
nahe Westerholz,
0.531-m
Newtonian);
10.05,
15.7,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
10.01,
14.3,
0.6'
(M. Lošťák,
0.2-m
Newtonian + CCD);
10.01,
15.1,
0.6'
(M. Lošťák,
0.2-m
Newtonian + CCD);
09.95,
16.4,
0.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 173 deg);
09.05,
15.1,
0.33'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
jun
29.39,
15.2,
0.4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
0.5'
tail in p.a. 180 deg);
29.08,
15.5,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
26.95,
15.7,
0.5'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
24.42,
15.5,
0.9'
(T. Lehmann,
Utah (remote),
0.28-m
Newtonian + CCD;
0.8'
tail in p.a. 176 deg);
17.93,
15.6,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.6'
tail in p.a. 179 deg);
17.92,
16.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 178 deg);
17.92,
16.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 178 deg);
C/2024 T5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
08.91,
14.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 221 deg);
07.89,
14.4,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.8'
tail in p.a. 227 deg);
C/2025 A6 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
06.42,
16.9,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
03.76,
15.6,
1.9'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.93° tail in p.a. 131 deg);
jun
24.46,
16.3,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
23.48,
16.3,
0.4'
(A. Pearce,
Perth Observatory, Bickley (MPC 323),
0.35-m
Schmidt-Cassegrain + CCD);
C/2025 M2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
14.03,
16.3,
0.4'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 86 deg);
C/2025 R3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
25.44,
12.3,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
24.44,
11.6,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 114 deg);
23.44,
11.6,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.6'
tail in p.a. 122 deg);
22.44,
11.8,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
19.43,
11.6,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
18.43,
10.8,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
5.2'
tail in p.a. 112 deg);
17.43,
11.0,
2.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
9.2'
tail in p.a. 114 deg);
C/2025 V2 (Rankin)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
03.18,
17.6,
0.23'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD);
jun
19.87,
17.2,
0.21'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
C/2025 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
11.91,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
09.87,
16.3,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
06.41,
16.1,
0.6'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
02.94,
16.6,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.74,
16.5,
0.5'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD;
0.2'
tail in p.a. 156 deg);
jun
25.91,
16.8,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.1'
tail in p.a. 131 deg);
23.97,
16.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
23.90,
16.4,
0.31'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
19.91,
16.6,
0.21'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
18.89,
15.9,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.88,
16.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.88,
16.9,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
18.88,
17.0,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.45,
16.8,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
17.98,
16.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
16.90,
16.8,
0.27'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
C/2026 A2 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
11.98,
16.0,
1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
1.3'
tail in p.a. 167 deg);
jun
29.40,
16.3,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
0.3'
tail in p.a. 156 deg);
28.53,
16.4,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
27.56,
16.2,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
25.42,
16.7,
0.7'
(T. Lehmann,
Utah (remote),
0.28-m
Newtonian + CCD;
0.8'
tail in p.a. 184 deg);
19.99,
17.2,
0.28'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
19.99,
17.1,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 180 deg);
17.92,
16.6,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 201 deg);
17.91,
17.6,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 201 deg);
17.91,
17.2,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2026 AZ17 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
11.89,
17.8,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.4'
tail in p.a. 155 deg);
03.91,
17.4,
0.9'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.7'
tail in p.a. 175 deg);
jun
18.96,
17.8,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.7'
tail in p.a. 193 deg);
C/2026 C1 (Tsuchinshan)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
06.39,
18.1,
0.38'
(M. Mattiazzo,
0.28-m
Schmidt reflector + CCD);
05.89,
18.4,
0.18'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD);
04.74,
18.0,
0.3'
(T. Lehmann,
Hakos (remote),
0.106-m
Refractor + CCD);
jun
17.87,
17.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.87,
17.9,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
17.86,
18.6,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
P/2012 K3 (Gibbs)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
14.09,
19.7,
0.2'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD);
P/2018 VN2 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
24.29,
19.1,
2'
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD;
1.5'
tail in p.a. 255 deg);
24.13,
18.8,
0.2'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
0.2'
tail in p.a. 257 deg);
P/2021 N1 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul
15.43,
16.3,
0.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
3'
tail in p.a. 249 deg);
12.06,
16.3,
0.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.9'
tail in p.a. 245 deg);
10.45,
16.1,
0.33'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
7.3'
tail in p.a. 246 deg);
10.05,
16.4,
0.5'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 247 deg);
09.40,
15.9,
0.4'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
3'
tail in p.a. 245 deg);
07.42,
15.8,
0.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
2'
tail in p.a. 241 deg);
jun
29.41,
15.5,
0.35'
(M. Olason,
Tucson Arizona,
0.091-m
Refractor + CCD;
1.3'
tail in p.a. 239 deg);
26.42,
16.4,
0.38'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
2.1'
tail in p.a. 247 deg);
24.72,
17.5,
0.3'
(A. Pearce,
Perth Observatory, Bickley,
0.33-m
Refractor + CCD);
24.34,
16.5,
2'
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
24.19,
15.6,
0.4'
(M. Mašek,
CTA-N La Palma,
0.25-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 251 deg);
23.74,
16.3,
0.23'
(M. Mattiazzo,
0.43-m
Schmidt reflector + CCD;
2.2'
tail in p.a. 250 deg);