10P/Tempel 2
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
26.00,
8.8,
9.1'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
24.97,
9.4,
4'
(V. Gonano,
Udine, Italy,
20x80
Binoculars);
24.96,
9.6,
6'
(P. Guzik,
25x100
Binoculars);
24.79,
10.1,
6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + 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);
23.41,
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);
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);
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);
19.11,
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);
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,
10.6,
8.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.95,
9.4,
12'
(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);
18.11,
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);
17.11,
10.2,
5'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
16.75,
10.9,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.70,
11.0,
3.1'
(T. Yusa,
0.05-m
Refractor + CCD);
16.67,
9.7,
7.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
16.44,
10.6,
4.8'
(N. Paul,
iTelescope Observatory, Beryl Junction (MPC U94),
0.43-m
Schmidt-Cassegrain + CCD);
16.09,
11.4,
3'
(C. Labordena,
La Serratella,
0.2-m
Schmidt-Cassegrain);
16.07,
10.4,
7.7'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
15.99,
10.5,
3'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
15.75,
11.1,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.69,
10.5,
5.8'
(T. Yusa,
0.05-m
Refractor + CCD);
15.67,
11.5,
1.8'
(K. Harikae,
0.15-m
Newtonian + CCD);
15.67,
11.4,
2.3'
(Y. Nagai,
0.05-m
Refractor + CCD);
15.67,
11.4,
3.1'
(O. Miyazaki,
0.32-m
Newtonian);
15.02,
10.3,
6.1'
(M. Meyer,
0.05-m
Refractor + CCD);
15.02,
11.4,
3.3'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
14.91,
11.7,
0.9'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
14.36,
10.7,
3.9'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
14.10,
12.9,
1.2'
(W. Kutschera,
0.508-m
Newtonian);
13.99,
13.3,
0.32'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
13.98,
11.1,
7.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.97,
12.0,
7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.97,
10.6,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.11,
10.2,
5.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
12.99,
10.7,
2.7'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
12.65,
12.7,
1'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
12.37,
11.6,
4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
12.11,
10.5,
3.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
12.06,
10.2,
7'
(J. Gonzalez Suarez,
0.203-m
Schmidt-Cassegrain);
12.06,
14.0,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
11.98,
11.9,
8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.72,
10.3,
6.6'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
11.70,
11.8,
2.9'
(T. Yusa,
0.05-m
Refractor + CCD);
11.11,
10.6,
4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
10.96,
13.5,
0.36'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
10.74,
10.3,
6.9'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
10.72,
12.2,
1.4'
(O. Miyazaki,
0.32-m
Newtonian);
10.72,
11.8,
4'
(T. Yusa,
0.05-m
Refractor + CCD);
08.99,
13.0,
1.4'
(M. Paradowski,
0.068-m
Refractor + CCD);
08.99,
12.4,
1.1'
(M. Paradowski,
0.068-m
Refractor + CCD);
08.95,
12.6,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
08.00,
12.0,
2.4'
(G. Scheerle,
0.235-m
Schmidt-Cassegrain);
08.00,
11.8,
4.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.00,
12.1,
4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.99,
12.8,
4.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.05,
12.9,
1.1'
(W. Kutschera,
0.508-m
Newtonian);
06.95,
12.5,
0.8'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
06.79,
13.1,
0.6'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.13,
13.1,
0.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
0.6'
tail in p.a. 255 deg);
06.01,
13.0,
1.1'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
05.97,
12.9,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
05.95,
14.3,
0.28'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
05.14,
13.5,
0.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
04.25,
13.7,
0.9'
(W. Souza,
0.05-m
Refractor + CCD);
02.96,
12.4,
0.7'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
01.95,
12.9,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
01.15,
13.8,
0.4'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
01.15,
14.9,
0.1'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
may
31.74,
13.4,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
31.73,
13.5,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD);
31.00,
12.1,
1.7'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
29.95,
12.0,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
29.73,
12.9,
1.7'
(T. Yusa,
0.05-m
Refractor + CCD);
29.42,
11.8,
5.5'
(J. Chambó Bris,
Deep Sky Chile (MPC 247),
0.25-m
Newtonian + CCD);
28.97,
13.2,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
28.10,
12.5,
2.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.04,
13.1,
1.3'
(M. Meyer,
0.05-m
Refractor + CCD);
27.94,
11.9,
0.6'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
24P/Schaumasse
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
20.92,
18.6,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
18.90,
16.8,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
18.90,
15.6,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-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);
15.57,
15.2,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
14.90,
14.8,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
13.90,
13.9,
3.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.89,
15.9,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.89,
16.4,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.00,
18.2,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
11.56,
15.2,
1.1'
(T. Yusa,
0.05-m
Refractor + CCD);
10.58,
15.2,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
09.90,
16.8,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.90,
12.9,
4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.89,
14.9,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.89,
15.4,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.93,
14.2,
0.6'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
06.49,
15.2,
1.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
05.90,
15.2,
4.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
05.90,
14.0,
0.5'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
05.89,
14.9,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.89,
12.5,
5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.89,
14.6,
3.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.57,
15.2,
1'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
04.98,
15.9,
1.1'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
04.49,
14.6,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.95,
14.4,
0.4'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
02.91,
15.1,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.91,
13.2,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.90,
14.8,
3.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.94,
14.3,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
01.88,
12.7,
3.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.88,
14.5,
3.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.88,
14.3,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
may
31.62,
14.3,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
30.90,
14.0,
1.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
29.90,
14.7,
0.2'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
27.99,
13.4,
2'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
27.91,
16.9,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
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);
16.50,
13.8,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.52,
13.8,
1.2'
(T. Yusa,
0.05-m
Refractor + CCD);
15.49,
13.8,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.47,
13.5,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
13.87,
11.4,
5.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.86,
13.6,
3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.86,
13.1,
4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
12.45,
13.3,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
11.88,
14.8,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.52,
13.5,
1.4'
(T. Yusa,
0.05-m
Refractor + CCD);
10.89,
16.3,
0.6'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
10.52,
13.5,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD);
09.91,
13.7,
2.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
08.86,
13.1,
4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.86,
10.8,
7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.86,
12.9,
6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.89,
15.7,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
06.54,
12.9,
1.2'
(T. Yusa,
0.05-m
Refractor + CCD);
06.48,
13.4,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.45,
13.5,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
05.92,
14.3,
0.5'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
05.88,
12.3,
12'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
05.86,
10.1,
10.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.86,
12.1,
6.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.85,
12.1,
7.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.49,
13.4,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
04.93,
15.4,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
04.93,
13.1,
3.2'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
04.90,
12.5,
1.2'
(W. Souza,
0.05-m
Refractor + CCD);
04.47,
13.9,
1.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
03.91,
12.4,
2.5'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
03.90,
15.3,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
03.47,
13.2,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
03.46,
13.4,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
03.23,
13.6,
0.6'
(N. Paul,
iTelescope Observatory, Beryl Junction (MPC U94),
0.5-m
Schmidt-Cassegrain + CCD);
02.92,
13.4,
0.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
02.90,
15.4,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
02.89,
15.3,
0.7'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
02.87,
10.6,
9.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.86,
12.0,
6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.86,
12.8,
8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.87,
13.0,
7.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.87,
11.3,
7.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.87,
12.5,
4.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.21,
13.4,
0.41'
(N. Paul,
iTelescope Observatory, Beryl Junction (MPC U94),
0.5-m
Schmidt-Cassegrain + CCD);
may
31.90,
13.3,
2'
(W. Souza,
0.05-m
Refractor + CCD);
31.55,
13.1,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
31.54,
13.4,
1.8'
(T. Yusa,
0.05-m
Refractor + CCD);
30.55,
12.2,
1.9'
(T. Yusa,
0.05-m
Refractor + CCD);
30.54,
12.4,
2.1'
(T. Yusa,
0.05-m
Refractor + CCD);
29.88,
13.5,
0.3'
(T. Sciezor,
Cracow,
0.05-m
Camera lens + CCD);
29.58,
12.4,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD);
29.58,
12.4,
1.6'
(T. Yusa,
0.05-m
Refractor + CCD);
29.49,
12.5,
2.4'
(T. Yusa,
0.05-m
Refractor + CCD);
28.90,
16.2,
0.2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
28.90,
16.2,
0.45'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.95,
13.7,
2.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
27.89,
16.4,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.88,
11.4,
4'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + 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);
43P/Wolf-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
10.93,
19.6,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
63P/Wild
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
19.86,
15.7,
0.42'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
14.20,
14.9,
0.5'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD);
13.86,
14.4,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.86,
13.5,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.85,
14.6,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.86,
16.4,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.49,
14.4,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
10.49,
14.8,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
05.90,
13.3,
4.6'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
05.87,
14.9,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.87,
14.3,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.86,
15.2,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.84,
15.5,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
04.91,
15.6,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
03.50,
15.8,
0.7'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
0.5'
tail in p.a. 290 deg);
02.85,
14.5,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.85,
15.0,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.85,
14.4,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.86,
14.3,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.86,
14.1,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.85,
15.1,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
may
31.48,
14.8,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
65P/Gunn
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
12.19,
19.6,
0.23'
(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
jun
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);
23.43,
14.2,
0.6'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
3.5'
tail in p.a. 262 deg);
21.45,
13.7,
0.6'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD);
84P/Giclas
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
16.29,
18.7,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
12.10,
20.4,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
88P/Howell
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
25.19,
10.7,
2.3'
(N. Paul,
Slooh.com 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);
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);
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);
18.89,
11.7,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
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);
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);
16.75,
12.1,
2.2'
(T. Yusa,
0.05-m
Refractor + CCD);
15.89,
11.7,
2.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.87,
12.2,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
15.76,
11.5,
1.8'
(Y. Nagai,
0.05-m
Refractor + CCD);
15.76,
11.3,
2.1'
(T. Yusa,
0.05-m
Refractor + CCD);
15.75,
11.4,
2.6'
(K. Harikae,
0.15-m
Newtonian + CCD);
12.89,
11.6,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
12.44,
11.7,
2.5'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD);
10.78,
12.0,
1.7'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
5'
tail in p.a. 248 deg);
06.88,
11.2,
2.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.3'
tail in p.a. 245 deg);
05.88,
11.1,
3'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.9'
tail in p.a. 244 deg);
05.33,
10.2,
5.1'
(W. Souza,
0.05-m
Refractor + CCD);
04.88,
10.8,
3.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
7.4'
tail in p.a. 245 deg);
04.34,
10.9,
3.2'
(W. Souza,
0.05-m
Refractor + CCD);
03.88,
10.8,
4.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.7'
tail in p.a. 244 deg);
may
31.77,
11.4,
1.1'
(Y. Nagai,
0.05-m
Refractor + CCD);
29.76,
11.1,
1.7'
(T. Yusa,
0.05-m
Refractor + CCD);
29.43,
10.7,
4.7'
(J. Chambó Bris,
Deep Sky Chile (MPC 247),
0.25-m
Newtonian + CCD;
35'
tail in p.a. 243 deg);
107P/Wilson-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
16.09,
18.7,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
08.08,
18.5,
6'
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
161P/Hartley-IRAS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
25.38,
19.3,
0.2'
(M. Mašek,
Malargue,
0.3-m
Cassegrain reflector + CCD);
164P/Christensen
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
11.91,
19.6,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
169P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
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);
16.62,
16.7,
--
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
14.98,
17.3,
0.4'
(M. Meyer,
0.05-m
Refractor + CCD);
13.95,
17.5,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.95,
16.9,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.95,
17.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.92,
17.9,
0.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.95,
19.0,
0.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
10.02,
17.3,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
08.18,
17.9,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
05.95,
18.2,
1'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
220P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
25.43,
12.3,
1.7'
(M. Olason,
Tucson, Arizona,
0.091-m
Refractor + CCD;
22'
tail in p.a. 249 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);
23.42,
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);
21.41,
12.0,
2.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
22'
tail in p.a. 248 deg);
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);
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);
19.13,
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);
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);
18.05,
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);
17.17,
12.8,
0.4'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
16.86,
11.6,
2.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.76,
11.7,
1.8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
30'
tail in p.a. 248 deg);
16.76,
13.1,
0.7'
(K. Yoshimoto,
0.3-m
Newtonian + CCD);
16.76,
11.4,
1.5'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
30'
tail in p.a. 248 deg);
16.73,
12.0,
2.4'
(T. Yusa,
0.05-m
Refractor + CCD;
3.5'
tail in p.a. 245 deg);
16.42,
11.6,
2.4'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
22'
tail in p.a. 248 deg);
16.10,
10.9,
4'
(C. Labordena,
La Serratella,
0.2-m
Schmidt-Cassegrain);
16.03,
10.8,
3.3'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
15.86,
11.9,
2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
3.5'
tail in p.a. 242 deg);
15.83,
11.8,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.1'
tail in p.a. 246 deg);
15.75,
11.5,
1.7'
(Y. Nagai,
0.05-m
Refractor + CCD;
5'
tail in p.a. 245 deg);
15.74,
11.5,
2.5'
(O. Miyazaki,
0.32-m
Newtonian);
15.73,
11.9,
2.9'
(T. Yusa,
0.05-m
Refractor + CCD;
14'
tail in p.a. 249 deg);
15.44,
11.6,
1.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
22.4'
tail in p.a. 248 deg);
14.44,
11.5,
3'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
15'
tail in p.a. 247 deg);
13.19,
13.0,
1.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
13.13,
10.2,
3'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
15'
tail in p.a. 249 deg);
12.88,
11.8,
1.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
3.6'
tail in p.a. 248 deg);
12.45,
11.2,
3'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD;
15'
tail in p.a. 248 deg);
12.14,
10.0,
3'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
13'
tail in p.a. 248 deg);
12.10,
10.3,
5'
(J. Gonzalez Suarez,
0.203-m
Schmidt-Cassegrain);
12.04,
12.6,
3.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
7.4'
tail in p.a. 248 deg);
11.75,
11.4,
1.8'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
18'
tail in p.a. 247 deg);
11.74,
10.7,
3.8'
(T. Yusa,
0.05-m
Refractor + CCD;
7.6'
tail in p.a. 251 deg);
11.13,
10.4,
2'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD;
12'
tail in p.a. 247 deg);
11.13,
11.6,
0.5'
(R. Arnold,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
10.77,
11.3,
2.1'
(K. Yoshimoto,
0.3-m
Newtonian + CCD;
20'
tail in p.a. 246 deg);
10.75,
11.0,
3.9'
(T. Yusa,
0.05-m
Refractor + CCD;
9'
tail in p.a. 250 deg);
10.74,
10.6,
3'
(O. Miyazaki,
0.32-m
Newtonian);
10.43,
11.0,
3'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD;
15'
tail in p.a. 248 deg);
10.13,
11.5,
0.6'
(D. Heggie,
ASERO, Valdin,
0.303-m
Newtonian + CCD);
09.43,
10.8,
3'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD;
9'
tail in p.a. 249 deg);
08.45,
10.6,
3.5'
(M. Olason,
Tucson Arizona,
0.05-m
Refractor + CCD;
7'
tail in p.a. 250 deg);
08.40,
11.1,
2.3'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
7'
tail in p.a. 246 deg);
08.12,
10.8,
3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
08.09,
10.9,
2.3'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD;
6.4'
tail in p.a. 247 deg);
07.85,
14.2,
--
(J. Xiong,
Xingyuan Obs (MPC Code:O40),
0.253-m
Newtonian + CCD);
07.79,
10.1,
--
(A. Carrozzi,
Sidding Spring Observatory, Australia,
0.432-m
Cassegrain reflector + CCD;
11'
tail in p.a. 247 deg);
06.84,
10.6,
2'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.4'
tail in p.a. 251 deg);
06.46,
10.3,
3.3'
(K. Yoshimoto,
0.51-m
Newtonian + CCD;
6.5'
tail in p.a. 248 deg);
06.43,
9.2,
7'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD;
5'
tail in p.a. 250 deg);
06.05,
9.5,
5.8'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.08° tail in p.a. 246 deg);
05.86,
9.3,
4.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
5.6'
tail in p.a. 247 deg);
05.42,
8.7,
7'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD;
4.2'
tail in p.a. 251 deg);
05.34,
9.2,
1'
(A. Amorim,
0.09-m
Refractor);
05.33,
8.7,
7.8'
(W. Souza,
0.05-m
Refractor + CCD);
05.12,
9.3,
5.7'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
04.84,
8.9,
4.5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.7'
tail in p.a. 241 deg);
04.84,
9.0,
6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4'
tail in p.a. 249 deg);
04.47,
8.7,
8'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD;
2.4'
tail in p.a. 250 deg);
04.33,
8.6,
6.3'
(W. Souza,
0.05-m
Refractor + CCD);
04.30,
8.7,
6'
(A. Ferrao,
0.114-m
Newtonian);
03.84,
8.6,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
2.7'
tail in p.a. 244 deg);
03.46,
8.3,
6.5'
(K. Yoshimoto,
0.106-m
Refractor + CCD;
2'
tail in p.a. 240 deg);
03.44,
8.9,
8'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD;
2.4'
tail in p.a. 250 deg);
03.33,
8.3,
3'
(M. Goiato,
20x100
Binoculars);
02.83,
8.2,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
02.71,
8.6,
5'
(C. Stoitsis,
Caulfield,
25x100
Binoculars);
02.13,
8.3,
5.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
may
28.19,
17.9,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
235P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
24.63,
15.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + 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);
22.63,
15.1,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
20.93,
14.2,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + 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,
13.1,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.1'
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);
18.90,
14.5,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 248 deg);
18.90,
14.7,
2.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.5'
tail in p.a. 255 deg);
18.58,
15.2,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
17.58,
14.9,
0.65'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.64,
15.2,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
16.64,
14.8,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.58,
14.9,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.17,
15.8,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
15.61,
14.5,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD;
1.4'
tail in p.a. 255 deg);
15.59,
15.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
15.58,
14.8,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
4.4'
tail in p.a. 250 deg);
15.05,
14.5,
0.9'
(W. Kutschera,
0.508-m
Newtonian + CCD);
14.97,
14.4,
0.8'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
1.1'
tail in p.a. 235 deg);
14.23,
14.1,
0.8'
(D. Bartlett,
June Lake Overlook (MPC U66),
0.28-m
Schmidt-Cassegrain + CCD;
18.6'
tail in p.a. 255 deg);
13.96,
14.9,
0.28'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
13.93,
14.3,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 247 deg);
13.93,
13.1,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 252 deg);
13.92,
14.6,
2.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 251 deg);
13.90,
14.7,
0.3'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
13.89,
15.0,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
4.6'
tail in p.a. 252 deg);
12.66,
14.6,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD;
1.9'
tail in p.a. 257 deg);
12.59,
14.5,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
11.92,
15.0,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 238 deg);
11.59,
15.0,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
10.91,
15.4,
0.27'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
10.65,
14.5,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD;
2'
tail in p.a. 253 deg);
09.97,
15.2,
0.55'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD);
09.96,
14.0,
1.3'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
07.98,
13.3,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.1'
tail in p.a. 253 deg);
07.97,
14.3,
2.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
5.5'
tail in p.a. 257 deg);
07.97,
14.1,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.3'
tail in p.a. 253 deg);
07.02,
14.3,
0.8'
(W. Kutschera,
0.508-m
Newtonian);
06.90,
14.6,
0.25'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
06.67,
14.5,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
1.5'
tail in p.a. 238 deg);
06.52,
14.4,
0.8'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
7.4'
tail in p.a. 258 deg);
06.02,
14.7,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
05.93,
15.0,
0.22'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
05.91,
14.4,
4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
4.4'
tail in p.a. 258 deg);
05.67,
14.7,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
05.53,
14.4,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
05.00,
14.5,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
04.54,
14.4,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
6.7'
tail in p.a. 260 deg);
03.60,
14.5,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
7.6'
tail in p.a. 257 deg);
02.89,
13.0,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.1'
tail in p.a. 253 deg);
02.88,
14.8,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4.3'
tail in p.a. 253 deg);
02.88,
14.5,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.8'
tail in p.a. 252 deg);
may
29.53,
14.7,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.4'
tail in p.a. 251 deg);
28.96,
15.0,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.4'
tail in p.a. 250 deg);
28.93,
13.5,
1.9'
(U. Pilz,
Leipzig,
0.03-m
Refractor + CCD);
260P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
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);
16.84,
15.6,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
16.31,
16.1,
1'
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD;
3'
tail in p.a. 250 deg);
15.84,
15.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
12.42,
15.5,
0.4'
(M. Olason,
Tucson, Arizona,
0.05-m
Refractor + CCD);
03.43,
15.5,
0.4'
(M. Olason,
Tucson, Arizona,
0.091-m
Refractor + CCD);
379P/Spacewatch
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
14.09,
18.7,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
04.92,
15.1,
0.4'
(W. Souza,
0.05-m
Refractor + CCD);
C/2021 G2 (Atlas)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
24.93,
15.2,
1.1'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
20.95,
16.3,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
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);
16.62,
15.7,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
15.60,
15.4,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
15.59,
15.0,
1'
(T. Yusa,
0.05-m
Refractor + CCD);
15.01,
14.9,
0.8'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD;
0.7'
tail in p.a. 239 deg);
13.92,
16.3,
0.37'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
13.91,
14.0,
2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.90,
15.1,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.90,
15.6,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
11.91,
15.4,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 245 deg);
11.61,
14.9,
1.3'
(T. Yusa,
0.05-m
Refractor + CCD);
10.50,
15.6,
0.4'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
09.98,
15.9,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
08.91,
14.1,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.90,
15.6,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.90,
15.5,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.58,
15.6,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.3'
tail in p.a. 232 deg);
05.94,
15.1,
1.3'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.27° tail in p.a. 237 deg);
05.92,
16.1,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
05.63,
15.4,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
05.04,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
04.62,
15.4,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.92,
14.3,
2.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.6'
tail in p.a. 231 deg);
02.92,
15.5,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.91,
15.9,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.4'
tail in p.a. 228 deg);
may
28.01,
16.5,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.00,
15.5,
1.8'
(U. Pilz,
Leipzig,
0.03-m
Refractor + CCD);
27.96,
16.1,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.93,
15.3,
0.7'
(M. Meyer,
0.05-m
Refractor + CCD);
C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
16.10,
17.8,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
12.11,
18.0,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
12.02,
16.8,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
08.02,
17.8,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.02,
16.3,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.02,
17.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2022 QE78 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
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);
15.49,
15.8,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
13.88,
14.9,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.9'
tail in p.a. 254 deg);
13.88,
16.0,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.1'
tail in p.a. 264 deg);
13.87,
16.3,
0.9'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
4'
tail in p.a. 254 deg);
13.87,
16.2,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.86,
15.9,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.8'
tail in p.a. 267 deg);
11.87,
16.2,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1.6'
tail in p.a. 251 deg);
09.96,
16.0,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
3.9'
tail in p.a. 256 deg);
09.96,
16.7,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
05.98,
16.4,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
05.88,
16.3,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.88,
15.5,
0.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
2.1'
tail in p.a. 253 deg);
05.87,
16.3,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
3.6'
tail in p.a. 251 deg);
05.85,
15.9,
2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
1'
tail in p.a. 245 deg);
may
28.93,
16.6,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
28.93,
16.3,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.97,
16.7,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + 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);
15.45,
16.8,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
C/2023 A3 (Tsuchinshan-ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
16.01,
20.9,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
12.20,
18.3,
0.23'
(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
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);
02.94,
18.7,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
25.91,
11.9,
0.6'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD;
0.9'
tail in p.a. 72 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);
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);
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,
13.1,
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);
20.98,
14.0,
0.23'
(S. Shurpakov,
0.41-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,
13.5,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 74 deg);
18.93,
12.8,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.3'
tail in p.a. 74 deg);
18.92,
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,
13.2,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.7'
tail in p.a. 77 deg);
17.95,
12.5,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 74 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);
16.68,
13.4,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
16.66,
12.6,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
16.64,
13.5,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
1.4'
tail in p.a. 71 deg);
15.89,
12.5,
1.2'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian;
0.8'
tail in p.a. 90 deg);
15.69,
13.7,
0.6'
(K. Harikae,
0.15-m
Newtonian + CCD);
15.68,
13.5,
0.8'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 60 deg);
15.66,
13.6,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
15.65,
12.2,
1'
(O. Miyazaki,
0.32-m
Newtonian);
15.64,
13.3,
1'
(T. Yusa,
0.05-m
Refractor + CCD;
1.1'
tail in p.a. 72 deg);
15.62,
13.4,
0.7'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
2.5'
tail in p.a. 70 deg);
14.05,
12.7,
0.9'
(W. Kutschera,
0.508-m
Newtonian);
13.97,
12.9,
0.3'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
13.94,
13.2,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 73 deg);
13.94,
12.2,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.4'
tail in p.a. 69 deg);
13.93,
13.2,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.2'
tail in p.a. 71 deg);
13.91,
11.8,
1.4'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
13.91,
14.4,
4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
2.2'
tail in p.a. 70 deg);
12.90,
12.1,
1'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
12.67,
13.2,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
11.93,
14.3,
2.4'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
3.1'
tail in p.a. 65 deg);
10.89,
12.0,
0.44'
(S. Shurpakov,
0.41-m
Newtonian + CCD;
0.8'
tail in p.a. 69 deg);
10.71,
12.7,
0.9'
(O. Miyazaki,
0.32-m
Newtonian);
10.68,
13.2,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
10.53,
13.3,
0.7'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
09.05,
13.5,
0.8'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
08.92,
13.2,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.9'
tail in p.a. 70 deg);
08.92,
12.3,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1.1'
tail in p.a. 74 deg);
08.91,
13.4,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 70 deg);
08.90,
12.6,
1.2'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
07.97,
12.3,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 68 deg);
07.96,
13.5,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 69 deg);
07.96,
13.4,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 70 deg);
07.09,
12.9,
1.2'
(W. Kutschera,
0.508-m
Newtonian);
06.93,
12.3,
1'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
06.74,
13.0,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
06.03,
12.8,
0.8'
(W. Kutschera,
0.508-m
Newtonian);
06.03,
13.2,
1.7'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD;
0.05° tail in p.a. 67 deg);
05.94,
13.1,
2.8'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
05.92,
13.4,
0.34'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
05.74,
13.5,
0.7'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD);
05.65,
13.5,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD;
0.6'
tail in p.a. 68 deg);
05.02,
12.9,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
04.03,
12.8,
2'
(W. Souza,
0.05-m
Refractor + CCD);
03.92,
12.9,
1.6'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
02.90,
12.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 70 deg);
02.90,
13.7,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 64 deg);
02.89,
13.3,
1'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 67 deg);
may
31.70,
12.9,
0.8'
(T. Yusa,
0.05-m
Refractor + CCD);
31.64,
13.5,
0.7'
(Y. Nagai,
0.05-m
Refractor + CCD);
29.70,
13.2,
1.1'
(T. Yusa,
0.05-m
Refractor + CCD);
29.04,
14.5,
0.6'
(P. Dekelver,
0.3-m
Newtonian + CCD);
29.00,
13.1,
1.7'
(U. Pilz,
Leipzig,
0.03-m
Refractor + CCD);
28.06,
12.8,
0.8'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
27.98,
14.6,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.97,
13.6,
1'
(M. Meyer,
0.05-m
Refractor + CCD);
C/2023 T3 (Fuls)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
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
jun
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);
10.91,
19.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
06.90,
19.0,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
01.96,
18.9,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
may
28.91,
18.7,
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
jun
17.90,
18.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
C/2024 G2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
10.94,
19.8,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
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
jun
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);
17.89,
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);
17.89,
16.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 174 deg);
14.93,
17.4,
0.33'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
13.92,
16.6,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.7'
tail in p.a. 169 deg);
13.92,
17.7,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.91,
17.6,
0.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
1'
tail in p.a. 167 deg);
11.96,
19.5,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.93,
17.8,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
09.98,
17.3,
0.5'
(P. Dekelver,
0.3-m
Newtonian + CCD;
1.1'
tail in p.a. 162 deg);
06.00,
17.3,
0.37'
(P. Dekelver,
0.3-m
Newtonian + CCD;
0.4'
tail in p.a. 167 deg);
05.90,
17.6,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 166 deg);
05.90,
17.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
05.90,
16.2,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
may
29.00,
17.4,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
28.06,
17.6,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2024 J3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
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);
24.04,
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);
20.95,
14.8,
0.28'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
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);
16.68,
14.2,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
15.66,
14.1,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
15.59,
14.1,
1.2'
(Y. Yamaguchi,
0.13-m
Hyperboloid astro-camera + CCD);
15.12,
14.1,
0.7'
(W. Kutschera,
0.508-m
Newtonian + CCD);
15.02,
13.9,
0.7'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
14.94,
13.8,
0.6'
(M. Meyer,
0.05-m
Refractor + CCD);
14.19,
15.3,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
13.96,
14.2,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.96,
13.4,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.96,
14.7,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.93,
13.7,
0.7'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
13.89,
14.0,
0.39'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
12.92,
13.8,
0.6'
(C. Harder,
Ustrine/Cres Kroatien,
0.35-m
Newtonian);
11.97,
14.7,
1.6'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
11.67,
14.5,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
10.94,
14.1,
0.44'
(S. Shurpakov,
0.41-m
Newtonian + CCD);
10.70,
14.3,
0.9'
(T. Yusa,
0.05-m
Refractor + CCD);
10.00,
13.3,
1.5'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
09.94,
14.7,
0.54'
(S. Shurpakov,
0.2-m
Schmidt-Newtonian + CCD;
1.2'
tail in p.a. 215 deg);
08.00,
13.9,
0.35'
(C. Harder,
21:10,
0.35-m
Newtonian);
07.99,
13.1,
1.8'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.98,
14.7,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
07.98,
14.3,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.80,
13.9,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
06.06,
14.7,
0.9'
(W. Kutschera,
0.508-m
Newtonian + CCD);
06.05,
14.1,
2'
(U. Pilz,
Leipzig,
0.035-m
Refractor + CCD);
05.99,
14.2,
1.1'
(S. Fritsche,
Koeditz,
0.279-m
Newtonian + CCD);
05.92,
15.1,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD);
05.79,
13.8,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
05.10,
14.1,
14.1'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
02.93,
13.5,
1.7'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.93,
14.4,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.92,
14.9,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.89,
14.7,
1.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.89,
13.3,
1.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.89,
14.2,
1.2'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
may
31.68,
14.4,
0.7'
(T. Yusa,
0.05-m
Refractor + CCD);
29.66,
14.1,
0.6'
(T. Yusa,
0.05-m
Refractor + CCD);
28.08,
14.3,
0.6'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
28.00,
14.5,
0.9'
(M. Meyer,
0.05-m
Refractor + CCD;
0.9'
tail in p.a. 208 deg);
27.99,
15.1,
0.8'
(P. Dekelver,
0.3-m
Newtonian + CCD);
C/2024 R4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
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,
16.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.5'
tail in p.a. 178 deg);
17.92,
16.6,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.8'
tail in p.a. 178 deg);
12.64,
15.9,
0.5'
(T. Yusa,
0.05-m
Refractor + CCD);
12.01,
16.2,
1.2'
(T. Csorgei,
0.28-m
Schmidt-Cassegrain + CCD;
0.7'
tail in p.a. 178 deg);
08.01,
16.0,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 181 deg);
08.01,
16.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.3'
tail in p.a. 180 deg);
08.00,
16.7,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.4'
tail in p.a. 182 deg);
05.08,
16.0,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
C/2025 A1 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
may
27.90,
18.3,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2025 A6 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
15.50,
16.3,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
06.46,
16.4,
0.6'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
05.46,
16.4,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
04.45,
16.3,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
03.52,
16.6,
0.5'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
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);
16.43,
10.8,
2.2'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
6.6'
tail in p.a. 116 deg);
15.43,
10.4,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
9'
tail in p.a. 117 deg);
07.43,
9.7,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
7'
tail in p.a. 120 deg);
06.88,
9.5,
2.9'
(W. Souza,
0.05-m
Refractor + CCD);
06.43,
9.7,
3'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
8.2'
tail in p.a. 121 deg);
05.88,
9.1,
2.9'
(W. Souza,
0.05-m
Refractor + CCD);
05.43,
9.4,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
12'
tail in p.a. 117 deg);
04.88,
9.5,
1.7'
(W. Souza,
0.05-m
Refractor + CCD);
04.43,
9.3,
4'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
9.1'
tail in p.a. 119 deg);
03.43,
9.1,
5'
(A. Pearce,
Nedlands, Perth, W. Australia,
0.05-m
Refractor + CCD;
10.4'
tail in p.a. 115 deg);
01.90,
8.5,
3'
(A. Ferrao,
0.114-m
Newtonian);
may
31.91,
8.4,
2'
(J. de Souza Aguiar,
0.27-m
Newtonian);
31.89,
7.8,
5'
(W. Souza,
0.05-m
Refractor + CCD);
30.91,
8.1,
1.5'
(J. de Souza Aguiar,
0.27-m
Newtonian);
29.91,
8.1,
1.5'
(J. de Souza Aguiar,
0.27-m
Newtonian);
28.91,
7.9,
2'
(J. de Souza Aguiar,
25x100
Binoculars);
28.88,
8.0,
5'
(W. Souza,
0.05-m
Refractor + CCD);
27.91,
7.8,
2'
(J. de Souza Aguiar,
25x100
Binoculars);
C/2025 V2 (Rankin)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
19.87,
17.2,
0.21'
(J. Solaz,
Escaldarium Observatory,Caldes de Montbui (MPC D28),
0.35-m
Schmidt-Cassegrain + CCD);
may
28.92,
18.6,
0.17'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2025 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
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,
16.9,
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);
18.88,
16.6,
0.5'
(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);
16.90,
16.8,
0.27'
(H. Meyerdierks,
Osterholz-Scharmbeck,
0.2-m
Schmidt-Cassegrain + CCD);
15.55,
16.3,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
15.48,
16.6,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
14.89,
16.3,
0.33'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
13.89,
16.5,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.88,
17.3,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
13.88,
17.3,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
09.95,
16.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
08.88,
16.4,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.87,
17.4,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.87,
17.3,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
06.91,
16.7,
0.28'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
06.49,
16.7,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
05.95,
16.8,
0.3'
(P. Dekelver,
0.3-m
Newtonian + CCD);
04.95,
16.6,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
04.47,
16.6,
0.4'
(A. Pearce,
Perth Observatory, Bickley,
0.35-m
Schmidt-Cassegrain + CCD);
02.88,
16.1,
0.5'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.87,
17.2,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
02.87,
17.0,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
may
31.57,
16.6,
0.3'
(T. Yusa,
0.05-m
Refractor + CCD);
28.04,
17.0,
0.22'
(P. Dekelver,
0.3-m
Newtonian + CCD);
27.93,
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
jun
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);
02.94,
17.3,
0.6'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD;
0.9'
tail in p.a. 212 deg);
C/2026 B3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
11.90,
19.5,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2026 C1 (Tsuchinshan)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
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);
11.89,
18.4,
0.18'
(J. Chambó Bris,
OAV, Valencia, Spain (MPC XXX),
0.2-m
Newtonian + CCD);
10.90,
18.5,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
08.89,
17.5,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.88,
18.6,
0.3'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
08.88,
18.6,
0.4'
(J. Koukal,
Valasske Mezirici,
0.5-m
Newtonian + CCD);
01.98,
18.7,
0.23'
(K. Hills,
Tacande Observatory, La Palma (MPC J22),
0.5-m
Newtonian + CCD);
C/2026 H2 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
14.95,
19.4,
0.41'
(E. Bryssinck,
Brixiis Observatory, Kruibeke (MPC B96),
0.4-m
Newtonian + CCD);
C/2026 J1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
05.06,
19.0,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
may
28.03,
19.5,
0.4'
(P. Carson,
PGC, Fregenal de la Sierra,
0.315-m
Cassegrain reflector + CCD);
C/2026 L2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jun
16.25,
20.0,
--
(J. Maikner,
Comet Hunter Observatory2, New Ringgold,
0.3-m
Hyperboloid astro-camera + CCD);
P/2018 VN2 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
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
jun
26.42,
16.4,
0.38'
(M. Mattiazzo,
0.25-m
Schmidt reflector + CCD;
2.1'
tail in p.a. 247 deg);
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);