2P/Encke
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 09.46, 19.1, 0.23' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD);


10P/Tempel
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.97, 7.3, 16' (K. Alburaidi, Al-Qassim, Al-Bukayriyah, 10x50 Binoculars);
    13.90, 7.6, 11' (K. Alburaidi, Al-Qassim, Al-Bukayriyah, 20x80 Binoculars);
    13.70, 8.2, 11' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    13.61, 7.9, 15' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    13.06, 9.3, 2.2' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    13.04, 12.0, 1.8' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    12.62, 7.9, 14' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    12.08, 8.8, 3.1' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    11.92, 8.3, 8' (K. Alburaidi, Al-Bukayriyah, Al-Qassim, 20x80 Binoculars);
    11.62, 8.1, 12' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    11.41, 7.5, 15' (C. Wyatt, 0.05-m Refractor);
    11.08, 8.2, 3.5' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    10.77, 8.2, 10' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    10.54, 7.6, 15' (M. Mattiazzo, Tyntynder, Victoria, 8x40 Binoculars);
    10.11, 7.9, 6' (C. Labordena, La Serra de Engarcera, 11x80 Binoculars);
    10.08, 10.0, 1.2' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    09.93, 8.2, 10.9' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    09.93, 8.4, 12.3' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD; 25.8' tail in p.a. 306 deg);
    09.45, 8.0, 13' (M. Olason, Tucson Arizona, 0.03-m Refractor + CCD);
    09.34, 7.5, 7.4' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 72.8' tail in p.a. 304 deg);
    09.11, 9.6, 1.9' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    08.79, 7.5, 20' (R. Ramlow, L81, 0.106-m Refractor + CCD; 46' tail in p.a. 288 deg);
    08.67, 9.1, 4.4' (Y. Nagai, 0.05-m Refractor + CCD);
    08.34, 7.8, 8.3' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 26.1' tail in p.a. 287 deg);
    08.07, 7.6, 5' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    08.03, 7.4, 10' (V. Díaz, La Romana, Alicante, Spain, 20x80 Binoculars);
    08.00, 9.7, 2.5' (J. Warell, Lindby, 40x100 Binoculars);
    07.59, 9.0, 4.3' (Y. Nagai, 0.05-m Refractor + CCD);
    07.54, 7.7, 16' (M. Mattiazzo, Tyntynder, Victoria, 8x40 Binoculars);
    07.35, 7.9, 13' (M. Olason, Tucson Arizona, 0.03-m Refractor + CCD);
    07.09, 7.3, 14.1' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    07.03, 8.8, 9.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.02, 7.8, 2' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    06.99, 11.8, 0.47' (S. Shurpakov, 0.41-m Newtonian + CCD);
    06.69, 9.0, 4.3' (Y. Nagai, 0.05-m Refractor + CCD);
    06.05, 9.8, 1.4' (T. Sciezor, Cracow, 0.05-m Camera lens + CCD; 0.6' tail in p.a. 326 deg);
    05.96, 7.8, 10' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    05.94, 6.9, 15' (J. Gonzalez Suarez, 10x50 Binoculars);
    05.67, 7.9, 7.2' (T. Yusa, 0.05-m Refractor + CCD);
    05.62, 7.8, 14' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    05.54, 8.4, 11.5' (O. Miyazaki, 18x50 Binoculars);
    05.43, 7.4, 15' (C. Wyatt, 0.05-m Refractor);
    05.27, 7.7, 16' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    05.05, 9.5, 1.6' (T. Sciezor, Cracow, 0.05-m Camera lens + CCD; 1.1' tail in p.a. 317 deg);
    04.56, 8.3, 5.8' (T. Yusa, 0.05-m Refractor + CCD);
    04.05, 9.2, 1.7' (T. Sciezor, Cracow, 0.05-m Camera lens + CCD; 1.1' tail in p.a. 327 deg);
    03.93, 11.0, 0.58' (S. Shurpakov, 0.41-m Newtonian + CCD);
    03.92, 8.2, 5' (G. Pappa, Italy,remote control, 0.14-m Refractor + CCD);
    03.52, 9.0, 5.1' (T. Yusa, 0.05-m Refractor + CCD);
    03.33, 8.7, 3.5' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 9.7' tail in p.a. 281 deg);
    03.04, 7.7, 18' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    03.02, 7.4, 25' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 2° tail in p.a. 260 deg);
    02.98, 8.4, 6' (M. Goiato, 20x100 Binoculars);
    02.83, 7.2, 35' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 260 deg);
    02.47, 7.7, 18' (M. Mattiazzo, Strathalbyn, South Australia, 10x50 Binoculars);
    02.33, 9.0, 4' (D. Svechkarev, 0.11-m Refractor + CCD);
    02.14, 9.6, 1' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    01.79, 7.3, 34' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 260 deg);
    01.66, 8.9, 4.5' (Y. Nagai, 0.05-m Refractor + CCD);
    01.06, 9.9, 0.7' (T. Sciezor, Cracow, 0.05-m Camera lens + CCD);
jul 31.06, 9.8, 1.1' (T. Sciezor, Cracow, 0.05-m Camera lens + CCD; 0.7' tail in p.a. 341 deg);
    30.06, 10.0, 1.2' (T. Sciezor, Cracow, 0.05-m Camera lens + CCD; 0.6' tail in p.a. 333 deg);
    29.99, 8.6, 8.1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    29.98, 9.6, 2.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    29.16, 10.5, 0.5' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    29.06, 10.9, 0.8' (T. Sciezor, Cracow, 0.05-m Camera lens + CCD; 1.1' tail in p.a. 318 deg);
    28.99, 9.2, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    28.72, 8.6, 5.3' (Y. Nagai, 0.05-m Refractor + CCD);
    28.43, 10.0, 1.3' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD);
    28.19, 11.5, 1.4' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    28.03, 10.9, 1.2' (J. Solaz, Escaldarium Observatory,Caldes de Montbui (MPC D28), 0.35-m Schmidt-Cassegrain + CCD);
    27.99, 11.3, 0.5' (M. Lombardo, Zen Observatory, Scandicci (MPC M26), 0.3-m Ritchey-Chretien + CCD);
    27.98, 9.3, 5.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.75, 8.2, 13' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    27.44, 9.1, 3' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD);
    27.15, 10.3, 0.6' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    27.12, 8.1, 9.2' (J. Chambó Bris, OAV, Valencia, Spain (MPC XXX), 0.2-m Newtonian + CCD; 12.6' tail in p.a. 261 deg);
    27.12, 10.7, 1' (À. Bueno, Tevinca, 0.073-m Refractor + CCD);
    27.02, 16.0, 1.4' (H. Smith, 0.12-m Newtonian + CCD);
    26.99, 8.0, 7' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    26.43, 7.5, 9.6' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 26.9' tail in p.a. 268 deg);
    26.16, 11.6, 0.25' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    26.11, 7.6, 15' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    26.09, 9.7, -- (S. Getliffe, 0.09-m Refractor);
    26.01, 7.9, 5' (G. Oksa, Nitra, Slovakia, 12x60 Binoculars);
    26.01, 8.5, 4.5' (E. Banach, 0.25-m Newtonian);
    25.99, 7.8, 29' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    25.98, 8.2, 8' (M. Biely, 20x80 Binoculars);
    25.98, 9.1, 6.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    25.42, 8.0, 15' (M. Olason, Tucson Arizona, 0.03-m Refractor + CCD);
    25.42, 6.8, 10.9' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 18.5' tail in p.a. 262 deg);
    25.16, 8.1, 7' (C. Labordena, La Serratella, 11x80 Binoculars);
    25.08, 7.8, 5' (S. Getliffe, 0.09-m Refractor; 0.13° tail in p.a. 2 deg);
    24.99, 8.3, 4' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    24.98, 8.8, 9.5' (M. Biely, 20x80 Binoculars);
    24.98, 8.2, 5' (K. Alburaidi, Al-Bukayriyah, Al-Qassim, 20x80 Binoculars);
    24.96, 7.6, 15' (P. Guzik, 10x50 Binoculars);
    24.75, 8.3, 14' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    24.65, 8.4, 11' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    24.39, 7.1, 10.8' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD);
    24.09, 7.8, 7.4' (W. Kutschera, 0.08-m Refractor);
    24.03, 8.6, 8.8' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    24.02, 8.2, 10.3' (M. Lošťák, 0.05-m Refractor + CCD);
    24.02, 11.8, 1.8' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    23.97, 9.2, 8.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    23.97, 8.4, 34' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    23.78, 7.7, 15.2' (À. Bueno, AstroGRN Australia, 0.073-m Refractor + CCD);
    23.76, 8.2, 14' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    23.35, 7.3, 10.1' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 30.9' tail in p.a. 254 deg);
    23.15, 11.4, 0.3' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    23.06, 7.2, 15' (J. Gonzalez Suarez, 10x50 Binoculars);
    22.99, 8.7, 4' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    22.76, 8.4, 13' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    22.72, 8.4, 12' (O. Miyazaki, 18x50 Binoculars);
    22.69, 7.6, 15.4' (R. Ramlow, Q62, 0.106-m Refractor + CCD; 33' tail in p.a. 250 deg);
    22.68, 7.3, 15.4' (K. Yoshimoto, 0.065-m Camera lens + CCD);
    22.65, 8.2, 15' (A. Pearce, Lighthouse Observatory, Kalamunda, W. Australia, 0.1-m Refractor + CCD);
    22.30, 7.4, 7.9' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 31.1' tail in p.a. 247 deg);
    22.15, 10.6, 0.3' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    22.09, 8.9, 3' (J. de Souza Aguiar, 0.27-m Newtonian);
    22.04, 8.2, 12.1' (M. Meyer, 0.05-m Refractor + CCD);
    22.02, 7.8, 20' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    22.00, 7.8, 7' (A. Kammerer, Voelkersbach (Black Forest), 0.397-m Newtonian);
    21.98, 10.0, 3.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    21.82, 7.6, 10' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    21.76, 8.4, 8' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    21.71, 8.6, 9.6' (O. Miyazaki, 18x50 Binoculars);
    21.69, 8.5, 10' (T. Yusa, 0.05-m Refractor + CCD);
    21.58, 9.2, 4.8' (Y. Yamaguchi, 0.13-m Hyperboloid astro-camera + CCD);
    21.16, 10.0, 0.3' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    21.09, 8.9, 3' (J. de Souza Aguiar, 0.27-m Newtonian);
    20.99, 9.3, 4.5' (C. Harder, Jeersdorf f, 0.35-m Newtonian);
    20.99, 8.9, 3' (A. Scholten, Eerbeek, 0.2-m Newtonian);
    20.98, 7.4, 15.2' (H. Meyerdierks, Osterholz-Scharmbeck, 0.2-m Schmidt-Cassegrain + CCD);
    20.98, 8.8, 4' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    20.97, 7.5, 30' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 262 deg);
    20.97, 9.8, 3.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    20.97, 8.0, 7' (A. Kammerer, Voelkersbach (Black Forest), 0.397-m Newtonian);
    20.74, 8.4, 12' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    20.70, 7.8, 8.7' (K. Yoshimoto, 0.065-m Camera lens + CCD);
    20.16, 9.9, 0.4' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    20.09, 8.8, 3' (J. de Souza Aguiar, 0.27-m Newtonian);
    20.06, 8.5, 6.6' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    20.03, 7.6, 15.9' (M. Meyer, 0.05-m Refractor + CCD);
    20.02, 9.5, 3' (M. Deconinck, Fernelmont, 0.25-m Cassegrain reflector);
    20.00, 8.0, 10' (G. Scheerle, 9x63.0 Binoculars);
    20.00, 8.2, 9' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    19.97, 9.4, 7' (P. Dekelver, 0.3-m Newtonian + CCD);
    19.91, 7.5, 31' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 262 deg);
    19.76, 8.8, 8' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    19.69, 9.1, 5.4' (Y. Nagai, 0.05-m Refractor + CCD);
    19.66, 8.7, 6' (O. Miyazaki, 18x50 Binoculars);
    19.64, 9.4, 3' (R. Aikawa, 0.203-m Schmidt-Cassegrain);
    19.61, 8.2, 8.1' (T. Yusa, 0.05-m Refractor + CCD);
    19.18, 7.6, 33' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 262 deg);
    19.15, 9.3, 2.4' (R. Arnold, ASERO, Valdin, 0.303-m Newtonian + CCD);
    19.14, 9.5, 3.2' (W. Souza, 0.05-m Refractor + CCD);
    19.08, 8.8, 4' (J. de Souza Aguiar, 25x100 Binoculars);
    19.08, 9.0, 4' (M. Goiato, 0.22-m Newtonian);
    19.08, 8.8, 6' (M. Goiato, 20x100 Binoculars);
    19.06, 8.2, 5' (S. Getliffe, 0.09-m Refractor);
    18.97, 11.0, -- (V. Lazarava, Field near Pińczów, Poland, 0.05-m Camera lens + CCD);
    18.96, 8.8, 5' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    18.96, 10.0, 3.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    18.88, 7.7, 30' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 263 deg);
    18.41, 9.3, 3.6' (D. Svechkarev, 0.11-m Refractor + CCD);
    18.16, 7.7, 31' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 263 deg);
    18.08, 8.7, 4' (J. de Souza Aguiar, 25x100 Binoculars);
    18.07, 9.7, 3.3' (W. Souza, 0.05-m Refractor + CCD);
    17.98, 9.7, 6' (P. Dekelver, 0.3-m Newtonian + CCD);
    17.97, 10.7, 0.53' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.8' tail in p.a. 340 deg);
    17.87, 7.6, 35' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 263 deg);
    17.40, 9.5, 2.7' (D. Svechkarev, 0.11-m Refractor + CCD);
    17.36, 8.2, 9.1' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD);
    17.26, 8.9, 16.1' (M. Mašek, Paranal, 0.067-m Camera lens + CCD);
    17.25, 8.5, 16.1' (M. Mašek, Paranal, 0.067-m Camera lens + CCD);
    17.25, 9.2, 9.2' (M. Mašek, Paranal, 0.067-m Camera lens + CCD);
    17.25, 7.8, 20.7' (M. Mašek, Paranal, 0.067-m Camera lens + CCD);
    17.16, 7.7, 32' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 263 deg);
    17.11, 12.2, 2' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    17.09, 8.7, 4' (J. de Souza Aguiar, 25x100 Binoculars);
    16.96, 8.9, 4' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    16.88, 7.6, 35' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 263 deg);
    16.65, 9.1, 4' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    16.36, 7.4, 12.6' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD);
    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);
    16.10, 8.2, 11.8' (N. Paul, Canary Islands (MPC G40), 0.08-m Schmidt reflector + CCD);
    16.09, 8.9, 6.4' (W. Kutschera, 0.08-m Refractor);
    16.08, 8.7, 5' (J. de Souza Aguiar, 25x100 Binoculars);
    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);
    16.03, 10.4, 3.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    16.02, 8.2, 23' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    15.91, 7.6, 35' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 2° tail in p.a. 263 deg);
    15.76, 8.8, 12' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    15.44, 9.1, 15' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);


11P/Tempel-Swift-LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 10.20, , -- (J. Maikner, Comet Hunter Observatory2, New Ringgold, 0.3-m Hyperboloid astro-camera + CCD);


24P/Schaumasse
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 02.76, 15.6, 3.4' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);
jul 18.90, 16.4, 2.1' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);


29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.46, 14.5, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    11.46, 14.3, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    05.47, 13.8, 1' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    02.47, 13.9, 1' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    01.48, 14.2, 0.9' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
jul 27.49, 14.2, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    24.48, 14.2, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    23.48, 14.2, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    23.46, 13.8, 0.5' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    22.49, 14.3, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    21.48, 15.9, 0.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    20.48, 15.7, 0.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    15.48, 15.4, 1' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);


40P/Vaisala
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 20.87, 19.1, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


63P/Wild
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 02.74, 13.8, 3.2' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);


65P/Gunn
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.71, 18.8, 0.3' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
jul 23.11, 19.7, 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
aug 11.08, 15.3, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD; 1.2' tail in p.a. 270 deg);
    10.10, 14.9, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 0.9' tail in p.a. 263 deg);
    09.48, 13.7, 0.6' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 4' tail in p.a. 266 deg);
    08.46, 13.3, 1.3' (R. Ramlow, U94, 0.106-m Refractor + CCD; 1.7' tail in p.a. 256 deg);
    07.09, 14.6, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 1.9' tail in p.a. 266 deg);
    07.03, 15.4, 0.41' (S. Shurpakov, 0.41-m Newtonian + CCD);
    06.77, 14.3, 0.6' (Y. Nagai, 0.05-m Refractor + CCD);
jul 29.10, 15.3, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD);
    26.06, 14.3, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 257 deg);
    26.06, 14.8, 1.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    26.06, 14.1, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.4' tail in p.a. 254 deg);
    25.45, 13.9, 0.7' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 2.5' tail in p.a. 263 deg);
    23.46, 13.9, 0.7' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 3' tail in p.a. 263 deg);
    20.35, 12.9, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    19.77, 14.0, 0.7' (T. Yusa, 0.05-m Refractor + CCD);
    19.35, 12.8, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    18.35, 12.6, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    18.35, 13.1, 3.3' (W. Souza, 0.05-m Refractor + CCD);
    17.35, 12.6, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    16.35, 12.7, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    15.45, 13.4, 0.7' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);


84P/Giclas
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.53, 17.2, 0.4' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    08.99, 17.4, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.04, 17.3, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    06.99, 17.2, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.91, 17.4, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);


88P/Howell
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.80, 13.7, 1.5' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 6.7' tail in p.a. 250 deg);
    12.84, 14.1, 1' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.1' tail in p.a. 255 deg);
    12.80, 13.9, 1.2' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 4.9' tail in p.a. 250 deg);
    12.04, 16.1, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    12.04, 13.0, 1.8' (C. Harder, Jeersdorf f, 0.35-m Newtonian);
    11.02, 14.0, 1.3' (P. Dekelver, 0.3-m Newtonian + CCD; 1.9' tail in p.a. 257 deg);
    10.01, 10.9, 8.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 3.2' tail in p.a. 244 deg);
    10.00, 11.8, 8.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 5.5' tail in p.a. 245 deg);
    10.00, 11.8, 9.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 8' tail in p.a. 248 deg);
    09.76, 12.7, 1.3' (O. Miyazaki, 0.32-m Newtonian);
    09.08, 13.8, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD; 5.6' tail in p.a. 252 deg);
    09.04, 13.1, 2.3' (M. Lošťák, Karlovy Vary, Czech Republic (MPC 247), 0.05-m Refractor + CCD);
    08.69, 13.5, 0.8' (Y. Nagai, 0.05-m Refractor + CCD);
    08.45, 12.3, 4.4' (R. Ramlow, U94, 0.106-m Refractor + CCD; 9' tail in p.a. 247 deg);
    08.10, 13.7, 1.6' (P. Dekelver, 0.3-m Newtonian + CCD; 5.3' tail in p.a. 251 deg);
    07.01, 14.4, 0.9' (P. Dekelver, 0.3-m Newtonian + CCD; 2.6' tail in p.a. 255 deg);
    06.74, 13.0, 1' (Y. Nagai, 0.05-m Refractor + CCD);
    01.73, 13.1, 1.3' (Y. Nagai, 0.05-m Refractor + CCD);
jul 30.05, 15.0, 0.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    29.02, 15.3, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    28.82, 13.6, 1' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    28.77, 13.1, 1' (Y. Nagai, 0.05-m Refractor + CCD);
    28.03, 14.0, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD; 2.5' tail in p.a. 256 deg);
    26.06, 11.5, 5.6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.04° tail in p.a. 250 deg);
    26.04, 11.4, 6.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.1' tail in p.a. 243 deg);
    26.04, 11.2, 6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 5.2' tail in p.a. 250 deg);
    26.03, 12.0, 5.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 5.2' tail in p.a. 248 deg);
    25.15, 14.8, 0.9' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    24.87, 13.2, 1.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.3' tail in p.a. 243 deg);
    24.83, 12.9, 2' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 8.7' tail in p.a. 248 deg);
    24.77, 12.9, 2' (K. Yoshimoto, 0.3-m Newtonian + CCD; 14' tail in p.a. 250 deg);
    24.04, 13.6, 1.3' (P. Dekelver, 0.3-m Newtonian + CCD; 3.3' tail in p.a. 250 deg);
    23.87, 13.4, 1.3' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.6' tail in p.a. 242 deg);
    23.47, 12.8, 1.7' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 3' tail in p.a. 250 deg);
    22.87, 13.3, 1.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 2.4' tail in p.a. 241 deg);
    22.74, 12.9, 1.6' (O. Miyazaki, 0.32-m Newtonian);
    22.25, 12.7, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    22.06, 11.6, 6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.08° tail in p.a. 251 deg);
    21.87, 13.0, 1.5' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    21.86, 13.2, 1.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.6' tail in p.a. 238 deg);
    21.78, 11.9, 4' (R. Ramlow, Q62, 0.106-m Refractor + CCD; 14.2' tail in p.a. 248 deg);
    21.74, 13.1, 0.9' (O. Miyazaki, 0.32-m Newtonian);
    21.70, 12.1, 1.7' (K. Harikae, 0.15-m Newtonian + CCD);
    21.25, 12.5, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    21.08, 13.9, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    20.29, 12.5, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    20.14, 11.6, 3.8' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    19.74, 12.6, 1.5' (Y. Nagai, 0.05-m Refractor + CCD);
    19.29, 12.4, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    19.16, 11.4, 6.8' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.44° tail in p.a. 248 deg);
    19.07, 13.5, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    18.37, 11.5, 4' (W. Souza, 0.05-m Refractor + CCD);
    18.29, 12.4, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    18.17, 15.2, 0.45' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    18.03, 10.7, 9.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.1' tail in p.a. 247 deg);
    18.03, 11.8, 8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 5' tail in p.a. 250 deg);
    17.29, 12.4, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    17.08, 14.9, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD);
    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);
    16.29, 12.3, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    15.46, 12.5, 2' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 6' tail in p.a. 252 deg);


95P/Chiron
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 18.02, 19.4, 0.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


107P/Wilson-Harrington
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 15.91, 19.3, 0.17' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);


112P/Urata-Niijima
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 10.37, 17.1, -- (J. Maikner, Comet Hunter Observatory2, New Ringgold, 0.3-m Hyperboloid astro-camera + CCD);
    09.04, 18.5, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);


114P/Wiseman-Skiff
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 11.07, 17.6, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.07, 17.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
jul 24.08, 18.4, 0.22' (P. Dekelver, 0.3-m Newtonian + CCD);


139P/Vaisala-Oterma
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 24.25, 21.0, -- (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
aug 09.49, 16.9, 0.4' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD);
jul 24.79, 17.4, 0.5' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    24.79, 17.7, 0.4' (K. Yoshimoto, 0.3-m Newtonian + CCD);
    20.73, 17.6, 0.45' (K. Yoshimoto, 0.51-m Newtonian + CCD; 0.7' tail in p.a. 225 deg);
    17.14, 15.6, 3' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);


162P/Siding Spring
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 11.12, 17.9, 0.15' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.09, 17.7, 0.22' (P. Dekelver, 0.3-m Newtonian + CCD);


169P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 12.97, 12.0, 1.8' (W. Kutschera, 0.508-m Newtonian);
    12.18, 11.3, 5' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 2' tail in p.a. 92 deg);
    11.85, 16.1, 0.26' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.92, 12.3, 3.8' (M. Meyer, 0.05-m Refractor + CCD);
    09.87, 15.8, 0.18' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.83, 14.0, 2.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.5' tail in p.a. 107 deg);
    09.83, 14.3, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 104 deg);
    09.83, 14.1, 2.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 105 deg);
    09.22, 11.4, 5' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 2' tail in p.a. 99 deg);
    08.92, 11.9, 5.5' (M. Meyer, 0.05-m Refractor + CCD);
    08.90, 14.9, 0.8' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    08.86, 15.7, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
    07.89, 12.3, 3.4' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 2.1' tail in p.a. 109 deg);
    07.85, 13.7, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.9' tail in p.a. 111 deg);
    07.85, 14.5, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.3' tail in p.a. 115 deg);
    07.84, 14.3, 1.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.3' tail in p.a. 112 deg);
    07.54, 13.3, 0.4' (Y. Nagai, 0.05-m Refractor + CCD; 2' tail in p.a. 110 deg);
    07.32, 11.8, 8.1' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    07.00, 13.7, 2.1' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    06.91, 15.5, -- (C. Harder, Jeersdorf h, 0.35-m Newtonian);
    06.90, 12.4, 4' (M. Meyer, 0.05-m Refractor + CCD);
    06.89, 13.5, 2.8' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD; 2.9' tail in p.a. 112 deg);
    06.89, 12.3, 4' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 2.5' tail in p.a. 111 deg);
    06.83, 15.1, 0.2' (S. Shurpakov, 0.41-m Newtonian + CCD);
    05.97, 12.2, 4.1' (M. Mašek, CTA-N La Palma (28.76 N, 17.89 W); Comet Alt. 51.5; Moon Alt. -10.5, 0.25-m Schmidt-Cassegrain + CCD);
    05.96, 15.0, 0.6' (M. Mašek, CTA-N La Palma (28.76 N, 17.89 W); Comet Alt. 51.6; Moon Alt. -10.7, 0.25-m Schmidt-Cassegrain + CCD);
    05.89, 12.8, 3.8' (J. Chambó Bris, OAV, Valencia, Spain (MPC XXX), 0.2-m Newtonian + CCD; 1.2' tail in p.a. 113 deg);
    05.89, 14.5, 1.13' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD; 2' tail in p.a. 116 deg);
    05.87, 14.4, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    05.86, 14.8, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    05.86, 14.5, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    05.60, 13.6, 0.3' (T. Yusa, 0.05-m Refractor + CCD);
    05.49, 15.5, 0.2' (K. Yoshimoto, 0.3-m Newtonian + CCD; 0.5' tail in p.a. 115 deg);
    05.19, 11.9, 8.2' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    04.89, 14.7, 0.9' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    04.89, 14.2, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.9' tail in p.a. 124 deg);
    04.88, 15.0, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    04.88, 14.7, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.5' tail in p.a. 121 deg);
    04.84, 15.7, 0.26' (S. Shurpakov, 0.41-m Newtonian + CCD);
    04.51, 15.5, 0.2' (K. Yoshimoto, 0.3-m Newtonian + CCD);
    04.22, 12.5, 7.8' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    03.90, 13.5, 2.07' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    03.86, 14.5, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.3' tail in p.a. 124 deg);
    03.86, 15.8, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    03.85, 15.4, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.9' tail in p.a. 124 deg);
    03.84, 15.4, 0.22' (S. Shurpakov, 0.41-m Newtonian + CCD);
    03.24, 12.6, 7' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    03.20, 15.1, 0.29' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 0.8' tail in p.a. 128 deg);
    03.19, 13.7, 0.6' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD);
    03.18, 13.7, 0.6' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD);
    02.95, 11.8, 7.9' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.5' tail in p.a. 130 deg);
    02.94, 15.0, 0.47' (M. Meyer, 0.05-m Refractor + CCD);
    02.83, 14.7, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.6' tail in p.a. 132 deg);
    02.83, 15.5, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    02.83, 15.1, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.4' tail in p.a. 134 deg);
    02.80, 11.9, 8.7' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 1.3' tail in p.a. 128 deg);
    02.49, 15.0, 0.2' (K. Yoshimoto, 0.3-m Newtonian + CCD; 0.5' tail in p.a. 125 deg);
    02.22, 15.5, 0.25' (D. Svechkarev, 0.11-m Refractor + CCD);
    02.19, 14.8, 0.6' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 1' tail in p.a. 130 deg);
jul 31.89, 14.6, 0.24' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 0.8' tail in p.a. 136 deg);
    31.86, 15.2, 0.22' (S. Shurpakov, 0.41-m Newtonian + CCD);
    31.02, 15.4, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    30.87, 15.2, 0.22' (S. Shurpakov, 0.41-m Newtonian + CCD);
    30.01, 15.6, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    29.98, 14.9, 0.4' (M. Meyer, 0.05-m Refractor + CCD);
    29.95, 13.5, 3.4' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.6' tail in p.a. 134 deg);
    29.87, 15.6, 0.4' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 67.9; Moon Alt. 12.2, 0.2-m Newtonian + CCD);
    29.87, 15.0, 0.5' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 68.5; Moon Alt. 11.7, 0.2-m Newtonian + CCD);
    29.86, 14.7, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    29.85, 15.5, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    29.85, 15.3, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    29.47, 15.3, 0.4' (T. Yusa, 0.05-m Refractor + CCD);
    28.96, 15.3, 0.26' (S. Shurpakov, 0.41-m Newtonian + CCD);
    28.94, 15.0, 0.4' (M. Meyer, 0.05-m Refractor + CCD);
    27.98, 14.9, 0.47' (M. Meyer, 0.05-m Refractor + CCD);
    27.95, 15.4, 0.31' (J. Solaz, Escaldarium Observatory,Caldes de Montbui (MPC D28), 0.35-m Schmidt-Cassegrain + CCD);
    27.93, 14.9, 0.38' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    27.93, 14.9, 0.25' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    27.89, 14.7, 0.5' (M. Lombardo, Zen Observatory, Scandicci (MPC M26), 0.3-m Ritchey-Chretien + CCD);
    27.27, 15.0, 0.4' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    27.09, 15.2, 0.31' (À. Bueno, Tevinca, 0.073-m Refractor + CCD);
    26.92, 15.0, 0.38' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD; 35" tail in p.a. 144 deg);
    26.04, 15.5, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    26.01, 14.9, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    26.01, 14.6, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.4' tail in p.a. 143 deg);
    26.01, 15.4, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    26.00, 15.3, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 144 deg);
    25.97, 15.4, 0.4' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 52.5; Moon Alt. 0.5, 0.2-m Newtonian + CCD);
    25.95, 14.9, 0.5' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 57.4; Moon Alt. 3.5, 0.2-m Newtonian + CCD);
    25.95, 14.9, 0.9' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.6' tail in p.a. 145 deg);
    25.92, 14.6, 0.9' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    25.40, 15.0, 0.4' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);
    24.87, 14.9, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.87, 15.8, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.86, 15.6, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.00, 13.9, 2.9' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    23.93, 14.9, 0.38' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    23.89, 15.3, 0.22' (P. Dekelver, 0.3-m Newtonian + CCD);
    22.92, 15.1, 0.31' (À. Bueno, Tevinca, 0.073-m Refractor + CCD);
    22.90, 15.7, 0.23' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    22.00, 15.6, 0.47' (M. Meyer, 0.05-m Refractor + CCD);
    21.99, 15.3, 0.6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    21.59, 14.9, 0.5' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 0.6' tail in p.a. 137 deg);
    21.05, 15.5, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    21.03, 14.9, 0.21' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    20.99, 14.6, 2.3' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);
    20.85, 15.5, 0.25' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
    20.76, 15.3, 0.7' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);
    20.51, 15.5, 0.37' (Y. Yamaguchi, 0.13-m Hyperboloid astro-camera + CCD);
    20.01, 14.8, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    20.00, 15.5, 0.5' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);
    20.00, 15.6, 0.4' (M. Meyer, 0.05-m Refractor + CCD);
    19.95, 15.5, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    19.59, 15.5, 0.3' (T. Yusa, 0.05-m Refractor + CCD);
    18.03, 14.9, 1' (W. Souza, 0.05-m Refractor + CCD);
    17.96, 15.9, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    17.95, 15.9, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    17.95, 15.5, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    17.95, 14.6, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    17.92, 15.9, 0.23' (S. Shurpakov, 0.41-m Newtonian + CCD);
    17.90, 15.5, 0.23' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    16.01, 15.5, 0.32' (M. Meyer, 0.05-m Refractor + CCD);
    16.01, 15.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    15.98, 15.6, 0.5' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);


220P/McNaught
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 14.12, 8.6, 2' (M. Deconinck, Fernelmont, 0.25-m Cassegrain reflector; 3' tail in p.a. 250 deg);
    13.78, 9.0, 7' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 15.1' tail in p.a. 253 deg);
    13.21, 7.2, 9.3' (N. Paul, Canary Islands (MPC G40), 0.5-m Cassegrain reflector + CCD);
    13.15, 7.4, 15' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 14' tail in p.a. 254 deg);
    13.06, 8.6, 8' (M. Lošťák, Karlovy Vary, Czech Republic, 0.05-m Refractor + CCD);
    13.04, 7.1, 5' (G. Oksa, Nitra, 12x60 Binoculars);
    13.01, 7.7, 11' (R. Ramlow, L81, 0.106-m Refractor + CCD; 11' tail in p.a. 252 deg);
    13.01, 7.4, 6' (M. Biely, Brno, Czech Republic, 20x80 Binoculars);
    12.80, 8.7, 6' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 10.9' tail in p.a. 253 deg);
    12.79, 8.9, 7' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 14.7' tail in p.a. 254 deg);
    12.14, 7.3, 17' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 10.5' tail in p.a. 255 deg);
    12.06, 7.5, 4.5' (M. Biely, Brno, Czech Republic, 20x80 Binoculars);
    12.04, 6.6, 7' (G. Oksa, Nitra, 12x60 Binoculars);
    12.03, 10.9, 0.79' (S. Shurpakov, 0.41-m Newtonian + CCD; 7.9' tail in p.a. 253 deg);
    12.02, 7.8, 8' (C. Harder, Jeersdorf f, 0.1-m Newtonian; 8' tail in p.a. 250 deg);
    12.02, 7.5, 5.5' (S. Shurpakov, 20x110 Binoculars);
    11.80, 8.4, 6' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 8.5' tail in p.a. 254 deg);
    11.75, 7.1, 5' (M. Mattiazzo, Tyntynder, Victoria, 8x40 Binoculars);
    11.46, 7.9, 9.6' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 18.7' tail in p.a. 251 deg);
    11.33, 7.5, 9' (R. House, Ontario, 12x70 Binoculars);
    11.33, 7.5, 7' (R. House, Ontario, 25x100 Binoculars; 10' tail in p.a. 260 deg);
    11.20, 7.3, 9' (N. Paul, Canary Islands (MPC G40), 0.5-m Cassegrain reflector + CCD);
    11.14, 7.5, 17' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 14' tail in p.a. 253 deg);
    11.14, 7.0, 4' (B. Granslo, Cadrete, Zaragoza, Spain, 8x30 Binoculars);
    11.09, 7.4, -- (A. Russo, Gibraltar, 15x50 Binoculars);
    11.07, 7.7, 3' (M. Deconinck, Fernelmont, 0.1-m Refractor; 10' tail in p.a. 260 deg);
    11.01, 7.8, 7' (C. Harder, Jeersdorf h, 0.1-m Newtonian; 14' tail in p.a. 255 deg);
    11.01, 8.8, 7.5' (P. Dekelver, 0.3-m Newtonian + CCD; 21.4' tail in p.a. 255 deg);
    10.90, 8.0, 9' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 8.9' tail in p.a. 255 deg);
    10.48, 7.7, 14' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 24' tail in p.a. 254 deg);
    10.46, 7.8, 7.3' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 1.93° tail in p.a. 252 deg);
    10.23, <7.6, 1' (J. Rocco, Slooh Canary Islands Observatory, 0.508-m Cassegrain reflector + CCD; 3' tail);
    10.14, 6.5, 13' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 6' tail in p.a. 255 deg);
    10.13, 6.6, 10' (C. Labordena, La Serra de Engarcera, 11x80 Binoculars; 12' tail);
    10.08, 6.7, 7' (M. Deconinck, Fernelmont, 0.25-m Cassegrain reflector; 10' tail in p.a. 250 deg);
    10.08, 11.2, 1.5' (T. Ferreira, Dobsonian Power (MPC R39), 0.41-m Newtonian + CCD);
    10.08, 7.7, 10' (A. Pearce, Skygems Observatory, Moccagatta, Italy, 0.14-m Refractor + CCD; 12.2' tail in p.a. 254 deg);
    10.07, 6.9, 2' (M. Deconinck, Fernelmont, 0.25-m Cassegrain reflector; 5' tail in p.a. 250 deg);
    10.05, 7.5, 5' (N. Virnina, Odesa, Ukraine, 15x50 Binoculars);
    10.02, 6.8, 5.5' (S. Shurpakov, 20x110 Binoculars);
    10.01, 9.8, 0.87' (S. Shurpakov, 0.41-m Newtonian + CCD; 6.4' tail in p.a. 255 deg);
    09.99, 7.6, 16.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 8.9' tail in p.a. 255 deg);
    09.99, 8.4, 18.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 6.7' tail in p.a. 254 deg);
    09.98, 7.0, 22.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 12.5' tail in p.a. 253 deg);
    09.78, 7.2, 6' (O. Miyazaki, 0.32-m Newtonian; 5' tail in p.a. 255 deg);
    09.75, 7.4, 11' (O. Miyazaki, 18x50 Binoculars);
    09.45, 7.3, 16.9' (C. Hergenrother, Tanque Verde, Tucson, Arizona, 0.03-m Refractor + CCD);
    09.43, 7.2, 15' (M. Olason, Tucson Arizona, 0.03-m Refractor + CCD);
    09.42, 7.3, 16.5' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 1.1° tail in p.a. 255 deg);
    09.41, 6.6, 10' (C. Hergenrother, Tanque Verde, Tucson, Arizona, 10x50 Binoculars);
    09.19, 7.2, 7' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 4' tail in p.a. 255 deg);
    09.18, 6.6, 9.5' (N. Paul, Canary Islands (MPC G40), 0.5-m Cassegrain reflector + CCD);
    09.06, 6.7, 11' (M. Meyer, 0.065-m Refractor);
    09.06, 7.2, 14' (M. Meyer, 0.05-m Refractor + CCD);
    09.05, 7.0, 5' (V. Kasten, 15x50 Binoculars);
    09.03, 6.9, 6' (E. Banach, 0.25-m Newtonian; 1.5' tail in p.a. 260 deg);
    09.02, 6.3, 8' (G. Oksa, Nitra, 7x50 Binoculars);
    09.02, 9.9, 0.76' (S. Shurpakov, 0.41-m Newtonian + CCD; 4' tail in p.a. 253 deg);
    09.02, 6.5, 6.5' (S. Shurpakov, 20x110 Binoculars);
    09.02, 7.9, 13.1' (P. Dekelver, 0.3-m Newtonian + CCD; 22.7' tail in p.a. 252 deg);
    09.01, 6.7, 11' (C. Harder, Jeersdorf f, 0.1-m Newtonian; 4' tail in p.a. 260 deg);
    08.99, 7.0, 13.5' (M. Lošťák, Karlovy Vary, Czech Republic (MPC 247), 0.05-m Refractor + CCD);
    08.78, 6.7, 12' (O. Miyazaki, 18x50 Binoculars);
    08.68, 7.2, 10.2' (Y. Nagai, 0.05-m Refractor + CCD);
    08.68, 7.0, 8' (Y. Nagai, 20x100 Binoculars);
    08.43, 6.8, 7.4' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 74.7' tail in p.a. 254 deg);
    08.42, 7.0, 18' (R. Ramlow, U94, 0.106-m Refractor + CCD; 70' tail in p.a. 254 deg);
    08.38, 7.2, 7.9' (M. Mattiazzo, 0.25-m Schmidt reflector + CCD);
    08.12, 6.9, 16.2' (J. Chambó Bris, OAV, Valencia, Spain (MPC XXX), 0.2-m Newtonian + CCD; 57.2' tail in p.a. 256 deg);
    08.09, 6.8, 8' (A. Scholten, Eerbeek, 15x80 Binoculars);
    08.07, 6.6, 16' (W. Souza, 0.15-m Newtonian);
    08.06, 6.9, 14.5' (M. Meyer, 0.05-m Refractor + CCD; 28.6' tail in p.a. 258 deg);
    08.06, 6.6, 11' (M. Meyer, 0.065-m Refractor);
    08.05, 6.8, 5' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    08.04, 7.2, 4' (B. Granslo, Bjerke, Oslo, 10x42.0 Binoculars);
    08.02, 7.6, 14' (P. Dekelver, 0.3-m Newtonian + CCD; 22.9' tail in p.a. 254 deg);
    08.02, 6.9, 7' (V. Díaz, La Romana, Alicante, Spain, 20x80 Binoculars);
    07.75, 6.4, 11' (O. Miyazaki, 18x50 Binoculars);
    07.65, 6.6, 7' (M. Mattiazzo, Tyntynder, Victoria, 8x40 Binoculars);
    07.48, 7.0, 7.8' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD; 76.7' tail in p.a. 254 deg);
    07.41, 7.1, 11' (R. Ramlow, U94, 0.106-m Refractor + CCD; 24' tail in p.a. 253 deg);
    07.39, 7.2, 9' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 21' tail in p.a. 253 deg);
    07.35, 6.5, 8' (A. Amorim, 20x50 Binoculars);
    07.22, 6.2, 6.6' (N. Paul, Canary Islands (MPC G40), 0.5-m Cassegrain reflector + CCD);
    07.14, 6.5, 11.7' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    07.13, 7.1, 9.5' (J. Chambó Bris, OAV, Valencia, Spain (MPC XXX), 0.2-m Newtonian + CCD; 35.3' tail in p.a. 250 deg);
    07.10, 6.8, -- (A. Russo, Gibraltar, 15x50 Binoculars);
    07.10, 7.1, 10' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    07.09, 6.9, 11' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    07.08, 7.4, 2' (V. Gonano, Udine, Italy, 20x80 Binoculars);
    07.08, 7.0, 8.2' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD; 22.5' tail in p.a. 251 deg);
    07.08, 6.9, 10' (U. Pilz, 16x70 Binoculars);
    07.05, 6.5, 9.1' (M. Meyer, 0.05-m Refractor + CCD; 18.8' tail in p.a. 253 deg);
    07.05, 6.5, 7.5' (M. Meyer, 0.065-m Refractor);
    06.87, 7.1, 4' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    06.74, 6.4, 11' (O. Miyazaki, 18x50 Binoculars);
    06.73, 6.5, 7' (R. Aikawa, 7x50 Binoculars);
    06.71, 6.8, 7' (Y. Nagai, 20x100 Binoculars);
    06.70, 7.0, 7' (Y. Nagai, 0.05-m Refractor + CCD);
    06.50, 7.0, 5' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);
    06.47, 6.4, -- (A. Guerra, Vacaville, California, 0.07-m Refractor + CCD);
    06.44, 6.7, 5.4' (D. Bartlett, June Lake Overlook (MPC U66), 0.28-m Schmidt-Cassegrain + CCD);
    06.38, 7.1, 7.2' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    06.37, 7.0, 5' (A. Amorim, 20x50 Binoculars);
    06.17, 7.5, 6.6' (M. Mašek, CTA-N La Palma (28.76 N, 17.89 W); Comet Alt. 47.5; Moon Alt. 51.6, 0.25-m Schmidt-Cassegrain + CCD);
    06.17, 6.7, 9.2' (M. Mašek, CTA-N La Palma (28.76 N, 17.89 W); Comet Alt. 46.6; Moon Alt. 50.7, 0.25-m Schmidt-Cassegrain + CCD);
    06.04, 6.1, 9' (J. Gonzalez Suarez, 10x50 Binoculars);
    06.02, 6.3, 6' (J. Gonzalez Suarez, 0.102-m Maksutov);
    05.85, 7.2, 6' (A. Pearce, Nedlands, Perth, W. Australia (MPC P14), 0.05-m Refractor + CCD);
    05.78, 6.8, 7' (K. Yoshimoto, 8x42.0 Binoculars);
    05.78, 7.7, 7.8' (K. Yoshimoto, 0.3-m Newtonian + CCD; 15' tail in p.a. 250 deg);
    05.78, 7.0, 7.8' (K. Yoshimoto, 0.3-m Newtonian + CCD; 25' tail in p.a. 250 deg);
    05.78, 7.3, 5.5' (K. Yoshimoto, 0.3-m Newtonian + CCD; 15' tail in p.a. 250 deg);
    05.70, 7.2, 6.1' (T. Yusa, 0.05-m Refractor + CCD);
    05.65, 7.3, 6.1' (T. Yusa, 0.05-m Refractor + CCD);
    05.47, 7.0, 5.3' (K. Yoshimoto, 0.106-m Refractor + CCD);
    05.45, 8.4, 3.1' (M. Mattiazzo, 0.25-m Schmidt reflector + CCD);
    05.09, 7.0, -- (J. Libich, Prague, 0.3-m "small telescopes and finders" with aperture not exceeding 4 inches + CCD);
    05.09, 7.9, 5' (A. Pearce, Skygems Observatory, Moccagatta, Italy, 0.14-m Refractor + CCD);
    05.08, 7.0, 5' (G. Pappa, Italy,remote control, 0.14-m Refractor + CCD);
    04.09, 14.0, 0.4' (G. Pappa, Italy,remote control, 0.14-m Refractor + CCD);
jul 30.07, 12.5, 4.4' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.11° tail in p.a. 251 deg);
    29.14, 14.3, 0.4' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 3' tail in p.a. 252 deg);
    28.81, 14.4, 0.8' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 1.4' tail in p.a. 253 deg);
    28.74, 14.0, 0.9' (Y. Nagai, 0.05-m Refractor + CCD; 1' tail in p.a. 250 deg);
    27.14, 11.9, 2.9' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 6' tail in p.a. 253 deg);
    26.14, 12.1, 1.8' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD);
    26.05, 11.5, 6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.4' tail in p.a. 247 deg);
    26.05, 12.9, 4.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.7' tail in p.a. 251 deg);
    26.05, 12.3, 5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 3.8' tail in p.a. 246 deg);
    26.04, 14.2, 0.9' (M. Meyer, 0.05-m Refractor + CCD; 1' tail in p.a. 255 deg);
    25.79, 13.8, 1' (K. Yoshimoto, 0.3-m Newtonian + CCD; 12' tail in p.a. 250 deg);
    24.82, 14.3, 0.9' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.4' tail in p.a. 252 deg);
    24.81, 14.1, 1' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 4.1' tail in p.a. 251 deg);
    24.04, 13.8, 0.9' (M. Meyer, 0.05-m Refractor + CCD; 1.2' tail in p.a. 249 deg);
    24.04, 12.2, 4.3' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.11° tail in p.a. 252 deg);
    23.82, 14.2, 1' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.2' tail in p.a. 247 deg);
    23.45, 13.7, 1.1' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 2' tail in p.a. 256 deg);
    23.16, 15.8, 0.45' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    23.13, 12.4, 1.7' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 3.5' tail in p.a. 253 deg);
    22.82, 14.1, 1' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.9' tail in p.a. 242 deg);
    22.73, 13.5, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    22.70, 12.4, 2.7' (R. Ramlow, Q62, 0.106-m Refractor + CCD; 10.9' tail in p.a. 253 deg);
    22.31, 13.0, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    22.13, 12.3, 2' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 10' tail in p.a. 251 deg);
    21.84, 14.0, 1' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 1.1' tail in p.a. 248 deg);
    21.81, 13.9, 1' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.1' tail in p.a. 244 deg);
    21.78, 12.3, 2.5' (R. Ramlow, Q62, 0.106-m Refractor + CCD; 14' tail in p.a. 254 deg);
    21.73, 13.3, 0.9' (O. Miyazaki, 0.32-m Newtonian);
    21.71, 14.1, 0.9' (T. Yusa, 0.05-m Refractor + CCD; 2.1' tail in p.a. 249 deg);
    21.70, 13.0, 1.9' (K. Harikae, 0.15-m Newtonian + CCD);
    21.31, 13.0, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    21.13, 10.1, 2' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 7' tail in p.a. 254 deg);
    21.05, 14.7, 0.5' (H. Meyerdierks, Osterholz-Scharmbeck, 0.2-m Schmidt-Cassegrain + CCD; 0.9' tail in p.a. 256 deg);
    20.75, 14.7, 0.5' (K. Yoshimoto, 0.3-m Newtonian + CCD; 3' tail in p.a. 245 deg);
    20.31, 12.8, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    20.13, 11.0, 2.3' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 4.5' tail in p.a. 251 deg);
    20.10, 12.5, 2.3' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    20.03, 15.7, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD; 2.5' tail in p.a. 252 deg);
    19.73, 13.5, 1.6' (Y. Nagai, 0.05-m Refractor + CCD);
    19.32, 12.7, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    19.13, 11.6, 2' (D. Heggie, ASERO, Valdin, 0.303-m Newtonian + CCD; 4.6' tail in p.a. 256 deg);
    18.32, 12.7, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    18.02, 11.3, 8.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.6' tail in p.a. 252 deg);
    18.01, 11.8, 6.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.5' tail in p.a. 250 deg);
    18.01, 12.6, 5.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 5.1' tail in p.a. 250 deg);
    17.31, 12.6, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    17.05, 14.4, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    16.31, 12.6, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    16.05, 12.0, 5.6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.11° tail in p.a. 250 deg);
    15.48, 13.2, 1.3' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 2' tail in p.a. 253 deg);


235P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.60, 16.5, 0.7' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    10.90, 17.8, 0.22' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.93, 17.3, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.26, 16.1, 0.6' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 1' tail in p.a. 108 deg);
    08.90, 17.4, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.48, 15.9, 0.6' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 0.5' tail in p.a. 111 deg);
    07.84, 15.8, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    07.83, 17.9, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    07.83, 16.4, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    06.98, 16.5, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    06.96, 17.1, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    05.89, 17.2, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD; 0.5' tail in p.a. 115 deg);
    04.85, 16.8, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    04.85, 16.2, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    04.85, 17.4, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    04.50, 15.8, 0.5' (T. Yusa, 0.05-m Refractor + CCD);
    02.85, 16.6, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    02.84, 16.9, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    02.84, 18.0, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    01.77, 15.0, 2' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.09° tail in p.a. 256 deg);
jul 30.91, 16.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    29.85, 16.1, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    29.84, 17.4, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    29.84, 18.0, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    28.97, 17.0, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.96, 16.9, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.94, 17.0, 0.31' (J. Solaz, Escaldarium Observatory,Caldes de Montbui (MPC D28), 0.35-m Schmidt-Cassegrain + CCD);
    24.01, 17.1, 0.23' (P. Dekelver, 0.3-m Newtonian + CCD);
    23.88, 15.0, 1.7' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1' tail in p.a. 157 deg);
    22.60, 16.5, 0.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    21.95, 16.5, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    21.60, 16.3, 0.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    20.90, 15.9, 0.29' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    20.60, 15.9, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    19.91, 14.3, 1.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    19.90, 15.9, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    19.90, 15.3, 1.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    19.60, 15.5, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    17.88, 17.2, 0.35' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.97, 16.4, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    15.95, 16.5, 0.5' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    15.58, 16.0, 0.6' (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 24.00, 20.2, 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
aug 13.08, 14.4, 0.8' (R. Ramlow, L81, 0.106-m Refractor + CCD; 5.1' tail in p.a. 251 deg);
    10.97, 15.2, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD; 1.3' tail in p.a. 263 deg);
    09.98, 14.8, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.8' tail in p.a. 253 deg);
    09.98, 14.4, 1.1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.4' tail in p.a. 254 deg);
    09.09, 14.4, 1' (P. Dekelver, 0.3-m Newtonian + CCD; 4.4' tail in p.a. 256 deg);
    09.03, 15.1, 0.45' (S. Shurpakov, 0.41-m Newtonian + CCD);
    07.98, 14.6, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 2.7' tail in p.a. 253 deg);
    07.10, 14.1, 0.33' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD; 1.1' tail in p.a. 250 deg);
    07.01, 15.6, 0.21' (S. Shurpakov, 0.41-m Newtonian + CCD);
    05.68, 14.8, 0.5' (T. Yusa, 0.05-m Refractor + CCD);
    04.04, 15.3, 0.35' (S. Shurpakov, 0.41-m Newtonian + CCD);
    03.08, 14.4, 0.9' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.05° tail in p.a. 250 deg);
    01.00, 15.5, 0.28' (S. Shurpakov, 0.41-m Newtonian + CCD; 1.7' tail in p.a. 252 deg);
jul 31.02, 15.8, 0.26' (S. Shurpakov, 0.41-m Newtonian + CCD);
    31.00, 15.2, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD; 1.6' tail in p.a. 249 deg);
    29.04, 15.0, 0.5' (P. Dekelver, 0.3-m Newtonian + CCD; 2.6' tail in p.a. 247 deg);
    28.87, 14.8, 0.49' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 2.3' tail in p.a. 244 deg);
    28.76, 14.7, 0.6' (Y. Nagai, 0.05-m Refractor + CCD);
    28.01, 14.9, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 2.1' tail in p.a. 249 deg);
    26.03, 14.5, 1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 2.5' tail in p.a. 246 deg);
    26.02, 14.9, 1.1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.9' tail in p.a. 246 deg);
    26.02, 14.0, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4' tail in p.a. 244 deg);
    26.01, 15.0, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.5' tail in p.a. 247 deg);
    24.87, 14.7, 0.6' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 5.9' tail in p.a. 246 deg);
    24.06, 14.7, 0.9' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.08° tail in p.a. 247 deg);
    24.03, 14.9, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 1.6' tail in p.a. 244 deg);
    23.45, 14.7, 0.6' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 1' tail in p.a. 247 deg);
    23.18, 15.4, 0.45' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    21.86, 14.9, 0.6' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 5.4' tail in p.a. 245 deg);
    21.79, 14.6, 0.8' (R. Ramlow, Q62, 0.106-m Refractor + CCD; 5' tail in p.a. 247 deg);
    21.17, 14.7, 0.9' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.11° tail in p.a. 247 deg);
    21.07, 14.9, 0.9' (P. Dekelver, 0.3-m Newtonian + CCD; 3.7' tail in p.a. 249 deg);
    20.79, 14.7, 0.4' (K. Yoshimoto, 0.3-m Newtonian + CCD; 0.7' tail in p.a. 240 deg);
    19.02, 15.4, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 1' tail in p.a. 250 deg);
    18.01, 14.6, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.2' tail in p.a. 246 deg);
    18.00, 15.5, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2' tail in p.a. 242 deg);
    18.00, 15.5, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.4' tail in p.a. 245 deg);
    17.03, 15.4, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD);
    16.20, 15.6, 0.5' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    15.47, 14.5, 0.5' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);


C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 21.80, 13.8, 1.3' (R. Ramlow, Q62, 0.106-m Refractor + CCD);
    18.17, 13.8, 2.6' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);


C/2021 G2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.59, 15.6, 0.7' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    10.92, 16.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.96, 15.8, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.92, 16.2, 0.7' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    09.92, 15.8, 0.8' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    09.92, 16.9, 0.5' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    08.97, 16.2, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.91, 16.8, 0.48' (S. Shurpakov, 0.41-m Newtonian + CCD);
    08.50, 15.7, 0.8' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    08.00, 16.2, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.94, 15.2, 0.9' (M. Meyer, 0.05-m Refractor + CCD);
    06.94, 15.4, 0.7' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    06.94, 15.6, 1' (M. Meyer, 0.05-m Refractor + CCD);
    06.89, 16.1, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 1.4' tail in p.a. 233 deg);
    06.89, 16.1, 0.44' (S. Shurpakov, 0.41-m Newtonian + CCD);
    04.88, 15.2, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 3.6' tail in p.a. 232 deg);
    04.87, 15.9, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.2' tail in p.a. 228 deg);
    04.87, 16.7, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 3.8' tail in p.a. 230 deg);
    02.92, 15.5, 1.1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.04° tail in p.a. 233 deg);
    02.90, 15.5, 0.7' (M. Meyer, 0.05-m Refractor + CCD);
    02.89, 15.5, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.6' tail in p.a. 213 deg);
    02.89, 15.3, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    02.89, 16.1, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
jul 30.95, 16.2, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD);
    30.89, 16.8, 0.28' (S. Shurpakov, 0.41-m Newtonian + CCD);
    29.96, 15.7, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    29.92, 15.4, 1.6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.1' tail in p.a. 194 deg);
    29.89, 15.0, 2.5' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    28.08, 16.5, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.94, 15.5, 0.7' (M. Meyer, 0.05-m Refractor + CCD);
    26.02, 15.8, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    25.99, 16.6, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    25.92, 15.4, 1.1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.9' tail in p.a. 226 deg);
    24.90, 15.2, 1.2' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    24.88, 15.3, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.88, 16.0, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.6' tail in p.a. 227 deg);
    24.87, 15.8, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.3' tail in p.a. 225 deg);
    23.93, 15.5, 1' (P. Dekelver, 0.3-m Newtonian + CCD);
    23.50, 15.8, 0.6' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    22.09, 16.8, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    21.96, 16.2, 0.47' (M. Meyer, 0.05-m Refractor + CCD);
    20.94, 15.7, 0.46' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    19.99, 16.6, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    19.96, 15.9, 0.6' (M. Meyer, 0.05-m Refractor + CCD);
    19.95, 15.2, 1.7' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 236 deg);
    19.93, 15.4, 1.2' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.07° tail in p.a. 229 deg);
    19.91, 15.8, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 2.1' tail in p.a. 229 deg);
    19.91, 16.7, 0.4' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    17.94, 15.7, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 3.5' tail in p.a. 234 deg);
    17.91, 16.6, 0.43' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.99, 16.2, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    15.96, 16.2, 0.47' (M. Meyer, 0.05-m Refractor + CCD);


C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 10.02, 17.6, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.29, 16.9, 0.6' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 1' tail in p.a. 25 deg);
    08.93, 17.6, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD; 2.2' tail in p.a. 21 deg);
    07.94, 17.3, 0.45' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.01, 17.7, 0.29' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    05.93, 17.8, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.88, 18.0, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    03.07, 16.4, 1.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.05° tail in p.a. 23 deg);
jul 28.01, 17.0, 0.29' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    26.06, 17.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    26.03, 17.4, 0.5' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 69.3; Moon Alt. -9.5, 0.2-m Newtonian + CCD);
    23.97, 19.1, 0.17' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    21.07, 17.8, 0.29' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    20.95, 17.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    20.91, 16.8, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.90, 17.5, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.90, 17.7, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    18.88, 17.9, 0.4' (S. Shurpakov, 0.41-m Newtonian + CCD);
    17.98, 17.9, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


C/2022 N2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 11.10, 16.2, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);


C/2023 A3 (Tsuchinshan-ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 20.91, 20.3, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 03.88, 18.8, 0.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
jul 17.97, 19.1, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    16.17, 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
aug 07.89, 18.9, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
jul 27.96, 18.6, 0.25' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    24.90, 19.4, 0.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.90, 19.0, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.90, 18.4, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    23.94, 19.4, 0.17' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    21.05, 18.8, 0.25' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    17.98, 19.2, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.4' tail in p.a. 342 deg);


C/2023 R1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.57, 14.3, 0.7' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 2.4' tail in p.a. 75 deg);
    13.55, 14.5, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.8' tail in p.a. 78 deg);
    12.56, 14.6, 0.6' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    11.55, 14.6, 0.6' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.5' tail in p.a. 89 deg);
    10.86, 14.4, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.82, 13.9, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.1' tail in p.a. 83 deg);
    09.82, 14.9, 1.1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 79 deg);
    09.82, 14.6, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.5' tail in p.a. 83 deg);
    08.89, 14.9, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD; 1.3' tail in p.a. 76 deg);
    07.83, 13.9, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.6' tail in p.a. 87 deg);
    07.82, 14.8, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 84 deg);
    07.82, 15.4, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.2' tail in p.a. 88 deg);
    06.97, 14.3, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    06.87, 14.3, 0.33' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD; 0.7' tail in p.a. 75 deg);
    05.87, 14.9, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD; 1.4' tail in p.a. 81 deg);
    05.56, 14.5, 0.6' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    05.47, 13.2, 0.9' (O. Miyazaki, 0.32-m Newtonian);
    04.83, 14.4, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.1' tail in p.a. 79 deg);
    04.83, 15.3, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 84 deg);
    04.82, 14.7, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 80 deg);
    04.48, 14.0, 0.4' (Y. Nagai, 0.05-m Refractor + CCD);
    04.47, 14.8, 0.5' (T. Yusa, 0.05-m Refractor + CCD; 0.4' tail in p.a. 84 deg);
    03.48, 14.5, 0.6' (T. Yusa, 0.05-m Refractor + CCD);
    02.87, 13.9, 1.3' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.3' tail in p.a. 78 deg);
    02.87, 14.1, 1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 74 deg);
    02.19, 13.8, 0.5' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 1.5' tail in p.a. 78 deg);
    02.16, 15.4, 0.3' (D. Svechkarev, 0.11-m Refractor + CCD);
    01.16, 13.8, 0.6' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);
jul 29.92, 14.6, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 0.9' tail in p.a. 79 deg);
    29.90, 13.8, 0.48' (M. Meyer, 0.05-m Refractor + CCD; 0.5' tail in p.a. 80 deg);
    29.88, 14.0, 1.1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.4' tail in p.a. 81 deg);
    29.83, 15.2, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 77 deg);
    29.83, 14.0, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 83 deg);
    29.83, 14.9, 1.1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.1' tail in p.a. 81 deg);
    28.90, 14.1, 0.6' (M. Meyer, 0.05-m Refractor + CCD; 0.6' tail in p.a. 78 deg);
    27.94, 14.2, 0.5' (P. Dekelver, 0.3-m Newtonian + CCD; 1.5' tail in p.a. 72 deg);
    27.93, 14.3, 0.6' (J. Solaz, Escaldarium Observatory,Caldes de Montbui (MPC D28), 0.35-m Schmidt-Cassegrain + CCD);
    27.90, 13.9, 0.7' (M. Meyer, 0.05-m Refractor + CCD; 0.6' tail in p.a. 75 deg);
    27.87, 14.7, 0.4' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD; 1.1' tail in p.a. 77 deg);
    25.88, 13.9, 1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.7' tail in p.a. 75 deg);
    22.95, 14.3, 0.31' (À. Bueno, Tevinca, 0.073-m Refractor + CCD);
    22.69, 13.9, 0.8' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.8' tail in p.a. 70 deg);
    21.94, 14.5, 0.5' (P. Dekelver, 0.3-m Newtonian + CCD; 2.4' tail in p.a. 76 deg);
    21.92, 14.1, 0.7' (M. Meyer, 0.05-m Refractor + CCD; 0.4' tail in p.a. 77 deg);
    21.91, 13.6, 1.7' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.04° tail in p.a. 74 deg);
    21.66, 13.7, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    21.54, 13.9, 0.65' (Y. Yamaguchi, 0.13-m Hyperboloid astro-camera + CCD);
    21.51, 13.9, 0.7' (T. Yusa, 0.05-m Refractor + CCD);
    20.96, 13.8, 1.1' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.11° tail in p.a. 74 deg);
    20.88, 14.2, 0.6' (H. Meyerdierks, Osterholz-Scharmbeck, 0.2-m Schmidt-Cassegrain + CCD; 0.7' tail in p.a. 80 deg);
    20.88, 13.9, 0.5' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    20.69, 14.1, 0.8' (A. Pearce, Nedlands, Perth, W. Australia (MPC P14), 0.05-m Refractor + CCD; 1.7' tail in p.a. 85 deg);
    20.51, 14.0, 0.9' (T. Yusa, 0.05-m Refractor + CCD);
    19.97, 13.5, 0.6' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    19.92, 13.7, 0.9' (M. Meyer, 0.05-m Refractor + CCD; 0.7' tail in p.a. 72 deg);
    19.89, 14.3, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.8' tail in p.a. 77 deg);
    19.89, 13.9, 0.8' (P. Dekelver, 0.3-m Newtonian + CCD; 2.1' tail in p.a. 76 deg);
    19.89, 13.0, 2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.3' tail in p.a. 80 deg);
    19.89, 14.6, 1.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.3' tail in p.a. 79 deg);
    19.68, 13.6, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD);
    19.53, 13.7, 0.5' (Y. Nagai, 0.05-m Refractor + CCD);
    19.52, 13.3, 0.9' (T. Yusa, 0.05-m Refractor + CCD);
    18.94, 14.1, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    18.52, 13.9, 0.8' (Y. Nagai, 0.05-m Refractor + CCD);
    18.01, 13.0, 2.9' (W. Souza, 0.05-m Refractor + CCD);
    17.97, 13.5, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    17.90, 14.0, 0.7' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    17.86, 14.7, 0.33' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.3' tail in p.a. 84 deg);
    16.97, 13.5, 1' (J. de Souza Aguiar, 0.27-m Newtonian);
    16.95, 14.2, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 1' tail in p.a. 78 deg);
    16.93, 13.4, 0.56' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    15.92, 13.4, 1' (M. Meyer, 0.05-m Refractor + CCD; 0.7' tail in p.a. 80 deg);
    15.92, 13.9, 0.38' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    15.90, 13.6, 1.6' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 0.08° tail in p.a. 74 deg);
    15.80, 13.6, 1.4' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.1° tail in p.a. 73 deg);
    15.69, 13.6, 0.6' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.1' tail in p.a. 78 deg);


C/2023 X2 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 26.90, 19.6, 0.17' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    20.93, 18.9, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


C/2024 A1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 20.92, 17.9, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


C/2024 G4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 24.91, 18.1, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.91, 17.0, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.91, 17.9, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    17.97, 17.7, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


C/2024 G6 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 09.91, 18.2, 0.22' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.87, 17.7, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD);
    06.91, 17.9, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD; 1.1' tail in p.a. 150 deg);
    03.84, 17.6, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    03.83, 18.7, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    03.83, 18.5, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
jul 30.88, 18.0, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.92, 17.8, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.88, 17.6, 0.17' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    23.95, 17.8, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    20.92, 17.4, 0.21' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    20.86, 17.8, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.86, 16.8, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.85, 18.3, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    19.99, 17.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    18.99, 17.9, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    17.99, 17.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);


C/2024 J3 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.03, 13.8, 0.9' (W. Kutschera, 0.76-m Newtonian);
    12.61, 14.5, 0.29' (T. Thaluang, SSTAC, Pak Chong (MPC O58), 0.26-m Newtonian + CCD);
    11.93, 15.1, 0.42' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.98, 14.0, 0.9' (M. Meyer, 0.05-m Refractor + CCD);
    09.93, 15.2, 0.41' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.89, 14.2, 0.7' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    09.89, 14.7, 0.8' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    09.88, 14.4, 0.9' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    08.98, 14.1, 0.8' (M. Meyer, 0.05-m Refractor + CCD);
    08.93, 14.6, 0.7' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    08.83, 15.0, 0.41' (S. Shurpakov, 0.41-m Newtonian + CCD);
    07.98, 13.9, 0.8' (M. Meyer, 0.05-m Refractor + CCD);
    07.87, 14.3, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.4' tail in p.a. 183 deg);
    07.87, 13.7, 1.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2' tail in p.a. 181 deg);
    07.87, 14.0, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.2' tail in p.a. 181 deg);
    07.09, 14.0, 0.6' (F. Carrasco Lopez, Observatorio Villuercas-Navezuelas (MPC R49), 0.25-m Newtonian + CCD);
    07.02, 14.3, 0.7' (M. Lošťák, Karlovy Vary, Czech Republic, 0.05-m Refractor + CCD);
    06.98, 13.7, 0.9' (M. Meyer, 0.05-m Refractor + CCD);
    06.91, 15.3, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    06.78, 14.6, 0.4' (Y. Nagai, 0.05-m Refractor + CCD);
    05.84, 13.4, 2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.2' tail in p.a. 185 deg);
    05.83, 14.0, 1.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.6' tail in p.a. 181 deg);
    05.83, 14.2, 1.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 180 deg);
    05.58, 14.1, 0.7' (T. Yusa, 0.05-m Refractor + CCD);
    05.50, 14.1, 0.6' (O. Miyazaki, 0.32-m Newtonian);
    04.85, 15.3, 0.37' (S. Shurpakov, 0.41-m Newtonian + CCD);
    04.84, 13.5, 2.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2' tail in p.a. 183 deg);
    04.84, 14.4, 1.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.1' tail in p.a. 182 deg);
    04.83, 14.0, 2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.4' tail in p.a. 181 deg);
    04.53, 14.2, 0.7' (T. Yusa, 0.05-m Refractor + CCD);
    04.45, 14.5, 0.3' (Y. Nagai, 0.05-m Refractor + CCD);
    03.87, 15.3, 0.37' (S. Shurpakov, 0.41-m Newtonian + CCD);
    03.87, 14.4, 1.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2.5' tail in p.a. 179 deg);
    03.87, 13.3, 2.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 2' tail in p.a. 184 deg);
    03.86, 13.9, 2.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 3.1' tail in p.a. 181 deg);
    03.58, 14.4, 0.6' (T. Yusa, 0.05-m Refractor + CCD);
    02.99, 14.7, 0.8' (W. Kutschera, 0.25-m Newtonian + CCD);
    02.98, 13.8, 1.1' (M. Meyer, 0.05-m Refractor + CCD; 0.3' tail in p.a. 181 deg);
    02.95, 13.7, 1.6' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    02.95, 13.9, 1.2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.15° tail in p.a. 182 deg);
    02.86, 13.6, 1.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.7' tail in p.a. 182 deg);
    02.85, 14.6, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.8' tail in p.a. 183 deg);
    02.85, 14.0, 1.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.5' tail in p.a. 183 deg);
    02.34, 15.8, 0.4' (D. Svechkarev, 0.11-m Refractor + CCD);
    02.09, 14.8, 0.29' (F. Carrasco Lopez, Observatorio Villuercas-Navezuelas (MPC R49), 0.25-m Newtonian + CCD);
    01.01, 15.3, 0.39' (S. Shurpakov, 0.41-m Newtonian + CCD);
jul 30.85, 15.2, 0.17' (S. Shurpakov, 0.41-m Newtonian + CCD);
    30.02, 13.7, 0.8' (M. Meyer, 0.05-m Refractor + CCD);
    29.92, 13.4, 1.4' (M. Paradowski, 0.068-m Refractor + CCD);
    29.92, 13.9, 1.4' (M. Paradowski, 0.068-m Refractor + CCD);
    29.48, 14.0, 0.6' (T. Yusa, 0.05-m Refractor + CCD);
    28.93, 13.2, 0.23' (S. Shurpakov, 0.41-m Newtonian + CCD);
    28.04, 14.5, 0.45' (J. Solaz, Escaldarium Observatory,Caldes de Montbui (MPC D28), 0.35-m Schmidt-Cassegrain + CCD);
    27.94, 13.9, 0.5' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD; 7' tail in p.a. 182 deg);
    27.90, 14.7, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    27.90, 14.2, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    27.90, 14.5, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    27.86, 14.4, 0.7' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    26.03, 14.8, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    25.99, 14.3, 0.8' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 71.5; Moon Alt. -1.4, 0.2-m Newtonian + CCD);
    25.99, 13.8, 0.8' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 70.7; Moon Alt. -1.9, 0.2-m Newtonian + CCD);
    25.90, 13.9, 0.6' (M. Meyer, 0.05-m Refractor + CCD);
    25.38, 14.2, 0.6' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);
    24.89, 14.5, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.89, 13.8, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    24.88, 14.1, 1.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    23.99, 14.3, 0.5' (W. Kutschera, 0.508-m Newtonian + CCD);
    23.91, 13.9, 0.6' (M. Meyer, 0.05-m Refractor + CCD);
    21.69, 14.3, 0.6' (K. Harikae, 0.15-m Newtonian + CCD);
    21.64, 14.6, 0.6' (T. Yusa, 0.05-m Refractor + CCD);
    20.99, 13.8, 0.7' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    20.92, 14.0, 0.8' (H. Meyerdierks, Osterholz-Scharmbeck, 0.2-m Schmidt-Cassegrain + CCD);
    20.89, 13.9, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.88, 13.8, 1.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.88, 14.2, 1.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.88, 14.6, 1.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    20.83, 15.3, 0.28' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
    20.54, 13.9, 0.86' (Y. Yamaguchi, 0.13-m Hyperboloid astro-camera + CCD);
    20.49, 14.6, 0.4' (T. Yusa, 0.05-m Refractor + CCD);
    19.96, 15.0, 0.31' (E. Capella, 0.36-m Schmidt-Cassegrain + CCD);
    19.92, 13.6, 1.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    19.91, 14.7, 1.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    19.91, 14.5, 1.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    19.50, 14.5, 0.4' (Y. Nagai, 0.05-m Refractor + CCD);
    19.49, 14.1, 0.6' (T. Yusa, 0.05-m Refractor + CCD);
    18.96, 13.8, 1.3' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.11° tail in p.a. 188 deg);
    18.50, 14.4, 0.4' (Y. Nagai, 0.05-m Refractor + CCD);
    18.08, 13.9, 1' (W. Souza, 0.05-m Refractor + CCD);
    17.95, 15.4, 0.38' (S. Shurpakov, 0.41-m Newtonian + CCD);
    17.88, 13.8, 0.5' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    16.89, 14.6, 1.5' (T. Ferreira, Dobsonian Power (MPC R39), 0.41-m Newtonian + CCD);
    15.87, 15.2, 0.33' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);


C/2024 R4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 11.95, 16.6, 0.25' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.8' tail in p.a. 147 deg);
    09.94, 16.1, 0.31' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.7' tail in p.a. 152 deg);
    09.85, 14.4, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 151 deg);
    09.84, 15.3, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.8' tail in p.a. 153 deg);
    09.84, 15.2, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 158 deg);
    08.95, 14.9, 0.2' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    08.94, 16.9, 0.27' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.8' tail in p.a. 155 deg);
    07.86, 15.7, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.6' tail in p.a. 155 deg);
    07.86, 15.0, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.4' tail in p.a. 159 deg);
    07.85, 15.5, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.8' tail in p.a. 155 deg);
    07.09, 14.8, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    07.00, 15.0, 0.33' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD; 1.3' tail in p.a. 154 deg);
    06.93, 15.1, 0.3' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.8' tail in p.a. 157 deg);
    05.85, 15.4, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 161 deg);
    05.62, 15.4, 0.5' (T. Yusa, 0.05-m Refractor + CCD);
    05.54, 15.3, 0.3' (K. Yoshimoto, 0.3-m Newtonian + CCD; 0.6' tail in p.a. 160 deg);
    04.87, 15.1, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.3' tail in p.a. 156 deg);
    04.87, 16.1, 0.37' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.9' tail in p.a. 163 deg);
    04.86, 15.4, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.8' tail in p.a. 154 deg);
    04.86, 14.1, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.6' tail in p.a. 164 deg);
    04.55, 15.3, 0.4' (T. Yusa, 0.05-m Refractor + CCD);
    04.24, 14.9, 0.4' (R. Ramlow, U94, 0.106-m Refractor + CCD);
    03.95, 16.5, 0.25' (S. Shurpakov, 0.41-m Newtonian + CCD; 1' tail in p.a. 158 deg);
    02.99, 15.3, 0.5' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.5' tail in p.a. 158 deg);
    02.87, 15.5, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 155 deg);
    02.86, 15.6, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 154 deg);
    02.86, 15.8, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.1' tail in p.a. 154 deg);
    01.03, 16.4, 0.42' (S. Shurpakov, 0.41-m Newtonian + CCD);
jul 29.00, 17.5, 0.28' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.5' tail in p.a. 160 deg);
    28.00, 14.9, 0.33' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    27.96, 15.6, 0.35' (J. Solaz, Escaldarium Observatory,Caldes de Montbui (MPC D28), 0.35-m Schmidt-Cassegrain + CCD);
    26.06, 15.1, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    26.01, 14.8, 0.4' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 87.4; Moon Alt. -5.1, 0.2-m Newtonian + CCD);
    26.01, 15.7, 0.3' (M. Mašek, Hodkovice n M. (50.67 N, 15.08 E); Comet Alt. 87.4; Moon Alt. -5.1, 0.2-m Newtonian + CCD);
    25.96, 15.0, 0.32' (M. Meyer, 0.05-m Refractor + CCD; 0.3' tail in p.a. 165 deg);
    24.25, 15.7, 2' (J. Maikner, Comet Hunter Observatory2, New Ringgold, 0.3-m Hyperboloid astro-camera + CCD; 2' tail in p.a. 175 deg);
    23.96, 15.1, 0.32' (M. Meyer, 0.05-m Refractor + CCD; 0.3' tail in p.a. 169 deg);
    21.01, 15.3, 0.6' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 1' tail in p.a. 164 deg);
    20.03, 15.3, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    19.93, 15.5, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 166 deg);
    19.92, 16.5, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.8' tail in p.a. 168 deg);
    19.92, 16.3, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 169 deg);
    18.91, 16.8, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
    17.94, 16.5, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 168 deg);
    17.94, 15.2, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.8' tail in p.a. 165 deg);
    17.94, 16.1, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 166 deg);


C/2024 T5 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.83, 14.2, 0.6' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 4.7' tail in p.a. 226 deg);
    12.89, 14.3, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.9' tail in p.a. 233 deg);
    12.83, 14.1, 0.7' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 3.7' tail in p.a. 225 deg);
    11.89, 14.3, 0.6' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.5' tail in p.a. 221 deg);
    05.89, 13.8, 0.8' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Schmidt-Cassegrain + CCD; 1.1' tail in p.a. 223 deg);
jul 27.90, 14.1, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.6' tail in p.a. 226 deg);
    24.91, 14.4, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.9' tail in p.a. 229 deg);
    24.88, 14.4, 0.5' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD; 3.2' tail in p.a. 222 deg);
    23.91, 14.4, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.1' tail in p.a. 227 deg);
    22.91, 14.3, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1.2' tail in p.a. 226 deg);
    21.90, 14.6, 0.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.8' tail in p.a. 228 deg);
    21.79, 14.3, 0.5' (R. Ramlow, Q62, 0.106-m Refractor + CCD; 3.8' tail in p.a. 231 deg);
    20.92, 14.4, 0.7' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 1' tail in p.a. 221 deg);
    19.90, 14.5, 0.5' (A. Pearce, Nedlands, Perth, W. Australia, 0.05-m Refractor + CCD; 0.4' tail in p.a. 232 deg);
    16.18, 14.3, 0.9' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.05° tail in p.a. 223 deg);


C/2025 A6 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 15.77, 15.9, 1.9' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.17° tail in p.a. 128 deg);


C/2025 B2 (Borisov)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 09.99, 18.3, 0.17' (S. Shurpakov, 0.41-m Newtonian + CCD);
    08.98, 18.2, 0.32' (S. Shurpakov, 0.41-m Newtonian + CCD);


C/2025 K3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 20.92, 20.4, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


C/2025 M2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 09.90, 17.6, 0.3' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    09.90, 17.0, 0.5' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
    09.90, 17.2, 0.4' (J. Koukal, Valasske Mezirici, 0.25-m Newtonian + CCD);
jul 18.99, 16.5, 0.6' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.3' tail in p.a. 84 deg);


C/2025 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 29.88, 16.8, 0.23' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.88, 16.7, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    26.89, 16.7, 0.23' (K. Hills, Tacande Observatory, La Palma (MPC J22), 0.5-m Newtonian + CCD);
    24.51, 16.0, 0.4' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    23.48, 16.4, 0.4' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    22.49, 16.1, 0.4' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);
    21.89, 16.8, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    15.50, 16.5, 0.4' (A. Pearce, Perth Observatory, Bickley, 0.35-m Schmidt-Cassegrain + CCD);


C/2026 A2 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 13.08, 15.8, 0.5' (W. Kutschera, 0.508-m Newtonian + CCD; 0.02° tail);
    10.02, 15.6, 0.47' (M. Meyer, 0.05-m Refractor + CCD; 0.3' tail in p.a. 129 deg);
    09.97, 16.4, 0.3' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.5' tail in p.a. 124 deg);
    09.86, 15.0, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.1' tail in p.a. 123 deg);
    09.85, 15.6, 1.1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 125 deg);
    09.85, 15.3, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.2' tail in p.a. 127 deg);
    09.02, 15.6, 0.6' (M. Meyer, 0.05-m Refractor + CCD; 0.4' tail in p.a. 116 deg);
    08.96, 16.2, 0.32' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.8' tail in p.a. 130 deg);
    08.96, 15.8, 0.25' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    08.02, 16.0, 0.47' (M. Meyer, 0.05-m Refractor + CCD; 0.3' tail in p.a. 122 deg);
    07.88, 15.8, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.3' tail in p.a. 130 deg);
    07.88, 16.0, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 127 deg);
    07.88, 15.0, 1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.1' tail in p.a. 135 deg);
    07.02, 15.8, 0.47' (M. Meyer, 0.05-m Refractor + CCD; 0.4' tail in p.a. 119 deg);
    06.99, 15.6, 0.5' (W. Kutschera, 0.508-m Newtonian + CCD);
    06.94, 16.0, 0.2' (S. Shurpakov, 0.41-m Newtonian + CCD);
    05.91, 15.8, 1.6' (U. Pilz, Leipzig, 0.035-m Refractor + CCD);
    04.90, 16.2, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 133 deg);
    04.90, 16.3, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.6' tail in p.a. 141 deg);
    04.90, 15.4, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 135 deg);
    04.89, 15.7, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 136 deg);
    04.51, 16.0, 0.5' (T. Yusa, 0.05-m Refractor + CCD);
    03.98, 16.9, 0.23' (S. Shurpakov, 0.41-m Newtonian + CCD; 0.9' tail in p.a. 140 deg);
    03.51, 15.7, 0.5' (T. Yusa, 0.05-m Refractor + CCD);
    03.02, 16.0, 0.6' (M. Meyer, 0.05-m Refractor + CCD);
    02.99, 15.5, 1.1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.2' tail in p.a. 137 deg);
    02.91, 15.7, 0.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.1' tail in p.a. 132 deg);
    02.88, 15.2, 1.1' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.8' tail in p.a. 144 deg);
    02.88, 16.0, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 141 deg);
    02.87, 15.6, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.9' tail in p.a. 141 deg);
jul 30.92, 16.7, 0.27' (S. Shurpakov, 0.41-m Newtonian + CCD; 1' tail in p.a. 136 deg);
    30.03, 15.4, 1.5' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.7' tail in p.a. 140 deg);
    29.49, 16.2, 0.4' (T. Yusa, 0.05-m Refractor + CCD);
    27.99, 15.9, 0.5' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD; 1.4' tail in p.a. 147 deg);
    26.08, 15.7, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    24.86, 15.1, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 144 deg);
    24.85, 16.0, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 144 deg);
    24.85, 15.9, 0.9' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.1' tail in p.a. 144 deg);
    23.93, 15.8, 0.8' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.3' tail in p.a. 143 deg);
    21.95, 15.8, 1' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.9' tail in p.a. 168 deg);
    20.57, 15.6, 0.4' (T. Yusa, 0.05-m Refractor + CCD);
    19.88, 16.3, 1.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.2' tail in p.a. 153 deg);
    19.88, 14.9, 1.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1' tail in p.a. 156 deg);
    19.88, 15.9, 1.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.9' tail in p.a. 153 deg);
    19.52, 15.9, 0.6' (T. Yusa, 0.05-m Refractor + CCD);
    18.94, 17.6, 0.25' (S. Shurpakov, 0.41-m Newtonian + CCD);
    15.94, 16.1, 0.8' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD; 1.1' tail in p.a. 161 deg);


C/2026 AZ17 (Bok)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 11.88, 18.1, 0.35' (S. Shurpakov, 0.41-m Newtonian + CCD);
    09.90, 17.7, 0.44' (S. Shurpakov, 0.41-m Newtonian + CCD);
    08.87, 18.3, 0.28' (S. Shurpakov, 0.41-m Newtonian + CCD);
    03.85, 17.3, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    03.84, 18.3, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
    03.84, 17.9, 0.3' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);
jul 31.89, 18.4, 0.26' (S. Shurpakov, 0.41-m Newtonian + CCD);
    27.92, 17.9, 0.21' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    20.95, 17.9, 0.21' (E. Bryssinck, Brixiis Observatory, Kruibeke (MPC B96), 0.4-m Newtonian + CCD);
    17.96, 18.2, 0.6' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.5' tail in p.a. 162 deg);


C/2026 C1 (Tsuchinshan)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 01.74, 18.2, 0.4' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);
jul 15.74, 18.0, 0.4' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);


C/2026 J1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 11.90, 18.6, 0.43' (S. Shurpakov, 0.41-m Newtonian + CCD);
jul 20.89, 20.5, 0.2' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD);


C/2026 L1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 07.03, 17.9, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);


C/2026 M3 (MASTER)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
jul 21.99, [20.0, 0.3' (S. Fritsche, Koeditz, 0.279-m Newtonian + CCD);


P/2021 N1 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2026
aug 09.32, 16.7, 0.4' (M. Olason, Tucson Arizona, 0.091-m Refractor + CCD; 0.7' tail in p.a. 270 deg);
jul 31.01, 16.5, 0.59' (S. Shurpakov, 0.41-m Newtonian + CCD);
    30.97, 16.8, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD);
    29.08, 16.3, 0.37' (P. Dekelver, 0.3-m Newtonian + CCD; 6.9' tail in p.a. 260 deg);
    28.05, 17.0, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD; 5.1' tail in p.a. 259 deg);
    26.15, 16.3, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    26.03, 16.7, 0.4' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 1.7' tail in p.a. 259 deg);
    26.03, 17.5, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.9' tail in p.a. 257 deg);
    26.02, 17.0, 0.7' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 3.6' tail in p.a. 255 deg);
    25.44, 16.2, 0.4' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD);
    24.75, 16.8, 0.2' (K. Yoshimoto, 0.3-m Newtonian + CCD; 6' tail in p.a. 255 deg);
    24.06, 16.8, 0.3' (P. Dekelver, 0.3-m Newtonian + CCD; 9.2' tail in p.a. 256 deg);
    24.00, 16.6, 0.32' (M. Meyer, 0.05-m Refractor + CCD; 0.6' tail in p.a. 250 deg);
    21.74, 16.6, 0.4' (T. Yusa, 0.05-m Refractor + CCD);
    20.11, 16.4, 0.4' (P. Carson, PGC, Fregenal de la Sierra, 0.315-m Cassegrain reflector + CCD);
    19.73, 16.5, 0.32' (T. Yusa, 0.05-m Refractor + CCD);
    17.99, 16.6, 0.8' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 4.4' tail in p.a. 251 deg);
    17.99, 17.4, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 0.7' tail in p.a. 255 deg);
    17.99, 16.5, 0.5' (J. Koukal, Valasske Mezirici, 0.5-m Newtonian + CCD; 3' tail in p.a. 253 deg);
    15.43, 16.3, 0.4' (M. Olason, Tucson Arizona, 0.05-m Refractor + CCD; 3' tail in p.a. 249 deg);