Recent Comet Brightness Estimates

12P/Pons-Brooks
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.44, 6.2, 6.7' (A. Pearce, 0.05-m Refractor + CCD; 1° tail in p.a. 137 deg);
    17.36, 5.6, 6.8' (C. Wyatt, 15x70 Binoculars; 1.2° tail in p.a. 135 deg);
    16.49, 5.5, 4' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars);
    16.44, 6.4, 6.7' (A. Pearce, 0.05-m Refractor + CCD; 0.9° tail in p.a. 132 deg);
    15.92, 5.8, 4.5' (M. Goiato, 20x100 Binoculars; 1° tail in p.a. 145 deg);
    15.44, 6.3, 6.1' (A. Pearce, 0.05-m Refractor + CCD; 0.9° tail in p.a. 130 deg);
    14.35, 5.4, 7.5' (C. Wyatt, 15x70 Binoculars; 2.6° tail in p.a. 134 deg);
    13.38, 5.2, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars; 1.5° tail in p.a. 130 deg);
    13.36, 5.3, 6' (C. Wyatt, 15x70 Binoculars; 1.3° tail in p.a. 134 deg);
    12.93, 5.4, 6' (M. Goiato, 7x50 Binoculars; 1° tail in p.a. 140 deg);
    12.92, 5.5, 5' (M. Goiato, 20x100 Binoculars; 1.5° tail in p.a. 140 deg);
    12.38, 5.2, 5' (M. Mattiazzo, near Swan Hill, Victoria, 8x40 Binoculars; 1.5° tail in p.a. 130 deg);
    12.38, 4.8, -- (M. Mattiazzo, near Swan Hill, Victoria, Australia, Naked eye);
    12.35, 5.1, 8' (C. Wyatt, 15x70 Binoculars; 3° tail in p.a. 130 deg);
    11.91, 5.2, 5' (W. Souza, 10x50 Binoculars; 0.5° tail in p.a. 135 deg);
    09.92, 5.1, 5' (M. Goiato, 20x100 Binoculars; 1.5° tail in p.a. 135 deg);
    08.90, 5.2, 5' (L. Camargo da Silva, São José dos Campos, São Paulo, Brazil, 7x50 Binoculars);
    08.38, 5.0, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars; 2° tail in p.a. 125 deg);
    07.91, 5.2, 4' (L. Camargo da Silva, São José dos Campos, São Paulo, Brazil, 7x50 Binoculars);
    07.38, 4.9, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars; 2° tail in p.a. 125 deg);
    07.38, 4.5, -- (M. Mattiazzo, Swan Hill, Victoria, Australia, Naked eye);
    07.36, 4.8, 6.7' (C. Wyatt, 15x70 Binoculars; 3.3° tail in p.a. 122 deg);
    07.35, 4.3, 15' (C. Wyatt, Naked eye);
    06.90, 5.1, 4' (L. Camargo da Silva, São José dos Campos, São Paulo, Brazil, 7x50 Binoculars);
    06.38, 4.9, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars; 2° tail in p.a. 125 deg);
    06.38, 4.5, -- (M. Mattiazzo, near Swan Hill, Victoria, Australia, Naked eye);
    06.35, 5.0, 5.8' (C. Wyatt, 15x70 Binoculars; 2.4° tail in p.a. 120 deg);
    05.93, 4.8, 6' (M. Goiato, 7x50 Binoculars; 0.5° tail in p.a. 130 deg);
    05.92, 4.9, 5' (W. Souza, 10x50 Binoculars);
    05.92, 4.9, 5' (M. Goiato, 20x100 Binoculars; 1.5° tail in p.a. 130 deg);
    05.91, 4.9, 5' (W. Souza, 20x80 Binoculars; 0.5° tail in p.a. 120 deg);
    05.73, 4.7, 17' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.97° tail in p.a. 47 deg);
    05.38, 5.0, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars; 2° tail in p.a. 120 deg);
    05.35, 4.9, 6' (C. Wyatt, 15x70 Binoculars; 3.4° tail in p.a. 120 deg);
    04.73, 4.6, 17' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.81° tail in p.a. 52 deg);
    04.45, 6.5, 6.4' (A. Pearce, 0.05-m Refractor + CCD; 1° tail in p.a. 119 deg);
    03.92, 4.7, 6' (M. Goiato, 7x50 Binoculars; 1° tail in p.a. 120 deg);
    03.36, 4.8, 10' (C. Wyatt, 15x70 Binoculars; 3.7° tail in p.a. 111 deg);
    02.91, 4.8, 5' (W. Souza, 20x80 Binoculars);
    02.86, 8.9, 3' (C. Labordena, La Serra d Engarcera, 0.15-m Newtonian);
    02.73, 4.6, 16' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.97° tail in p.a. 48 deg);
    01.93, 4.6, 6' (M. Goiato, 7x50 Binoculars; 1° tail in p.a. 115 deg);
    01.93, 4.7, 5' (M. Goiato, 20x100 Binoculars; 1° tail in p.a. 115 deg);
    01.73, 4.5, 16' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 1.05° tail in p.a. 49 deg);
    01.38, 4.9, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars; 1° tail in p.a. 110 deg);
apr 30.92, 4.7, 5' (M. Goiato, 20x100 Binoculars; 0.7° tail in p.a. 115 deg);
    30.91, 5.3, 3' (L. Camargo da Silva, São José, Santa Catarina, Brazil, 7x50 Binoculars);
    30.90, 4.9, 5' (A. Amorim, 10x50 Binoculars);
    30.38, 4.8, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars; 1° tail in p.a. 105 deg);
    29.38, 4.5, 5' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars);
    29.35, 4.7, 6' (C. Wyatt, 15x70 Binoculars; 3° tail in p.a. 107 deg);
    28.92, 4.6, 5' (M. Goiato, 20x100 Binoculars; 0.7° tail in p.a. 110 deg);
    28.90, 4.6, 5' (W. Souza, 20x80 Binoculars);
    28.35, 4.6, 4' (C. Wyatt, 15x70 Binoculars; 2.6° tail in p.a. 94 deg);
    27.94, 4.8, 5' (L. Mansilla, Rosario, Argentina, 20x42.0 Binoculars);
    27.91, 4.7, -- (A. Amorim, 10x50 Binoculars);
    27.91, 4.6, 5' (W. Souza, 10x50 Binoculars);
    27.90, 4.6, 5' (W. Souza, 20x80 Binoculars; 0.5° tail in p.a. 100 deg);
    27.36, 4.7, 8' (C. Wyatt, 15x70 Binoculars; 2° tail in p.a. 105 deg);
    26.92, 4.5, 5' (M. Goiato, 20x100 Binoculars; 0.7° tail in p.a. 100 deg);
    26.38, 4.9, 3' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars);
    26.35, 4.7, 5' (C. Wyatt, 15x70 Binoculars; 55' tail in p.a. 98 deg);
    25.92, 4.4, 5' (M. Goiato, 20x100 Binoculars; 0.7° tail in p.a. 100 deg);
    24.92, 4.4, 5' (M. Goiato, 20x100 Binoculars);
    24.35, 4.9, 3.8' (C. Wyatt, 15x70 Binoculars; 30' tail in p.a. 93 deg);
    23.92, 4.2, 5' (M. Goiato, 20x100 Binoculars; 0.5° tail in p.a. 100 deg);
    23.83, 4.5, 5' (J. Navarro Pina, Mirador Cabezo Blanco ( Murcia , Spain ), 20x80 Binoculars);
    23.82, 4.7, 5' (J. Navarro Pina, Mirador Cabezo Blanco ( Murcia , Spain ), 20x80 Binoculars);
    23.81, 4.5, 5' (V. Gonano, Udine, Italy, 10x50 Binoculars; 0.3° tail in p.a. 90 deg);
    23.35, 4.7, 3.9' (C. Wyatt, 15x70 Binoculars; 19.5' tail in p.a. 90 deg);
    22.90, 4.6, 5' (J. de Souza Aguiar, 25x100 Binoculars; 0.5° tail in p.a. 95 deg);
    22.37, 4.3, 3' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars);
    22.35, 4.8, 3.7' (C. Wyatt, 15x70 Binoculars; 22' tail in p.a. 90 deg);
    21.92, 4.4, 5' (M. Goiato, 20x100 Binoculars; 0.3° tail in p.a. 95 deg);
    21.91, 4.4, 5' (W. Souza, 20x80 Binoculars; 0.25° tail in p.a. 90 deg);
    21.90, 4.5, 6' (J. de Souza Aguiar, 25x100 Binoculars; 0.6° tail in p.a. 90 deg);
    21.90, 4.4, 5' (W. Souza, 10x42.0 Binoculars);
    21.90, 4.5, 5' (A. Amorim, 10x50 Binoculars);
    21.83, 4.5, 4' (J. Navarro Pina, Sierra de Carrascoy ( Murcia , Spain ), 20x80 Binoculars);
    21.37, 4.3, 3' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars);
    21.36, 4.5, 2.3' (C. Wyatt, 15x70 Binoculars; 9.2' tail in p.a. 89 deg);
    20.92, 4.3, 5' (M. Goiato, 20x100 Binoculars; 0.5° tail in p.a. 90 deg);
    20.90, 4.4, 3' (L. Camargo da Silva, São José dos Campos, São Paulo, Brazil, 7x50 Binoculars);
    20.90, 4.5, 6' (J. de Souza Aguiar, 25x100 Binoculars; 0.6° tail in p.a. 90 deg);
    20.89, 4.7, 3' (A. Amorim, 10x50 Binoculars);
    20.37, 4.5, 3' (M. Mattiazzo, Swan Hill, Victoria, 8x40 Binoculars);
    19.92, 4.3, 5' (M. Goiato, 20x100 Binoculars; 0.5° tail in p.a. 90 deg);
    19.90, 4.3, 5' (W. Souza, 7x50 Binoculars);
    19.90, 4.4, 5' (J. de Souza Aguiar, 25x100 Binoculars; 0.25° tail in p.a. 90 deg);
    19.90, 4.6, 4' (A. Amorim, 10x50 Binoculars);
    19.81, 4.5, 5' (V. Gonano, Udine, Italy, 10x50 Binoculars; 0.5° tail in p.a. 90 deg);
    19.36, 4.7, 5' (C. Wyatt, 15x70 Binoculars; 15' tail in p.a. 95 deg);
    18.92, 3.9, 4' (M. Goiato, 20x100 Binoculars);
    18.90, 4.5, 5' (J. de Souza Aguiar, 25x100 Binoculars; 0.2° tail in p.a. 90 deg);
    18.90, 4.3, 5' (A. Amorim, 10x50 Binoculars);

13P/Olbers
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.46, 8.6, 1.9' (O. Miyazaki, 0.32-m Newtonian);
    15.84, 8.5, 2.5' (P. Guzik, 25x100 Binoculars);
    14.46, 8.8, 1.4' (O. Miyazaki, 0.32-m Newtonian);
    13.84, 8.4, 2' (E. Banach, 0.25-m Newtonian);
    12.84, 8.6, 2' (E. Banach, 0.25-m Newtonian);
    12.83, 8.3, 3' (P. Guzik, 25x100 Binoculars);
    12.81, 8.5, 3' (V. Gonano, Udine, Italy, 10x50 Binoculars);
    11.87, 8.2, 7.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.14° tail in p.a. 104 deg);
    11.87, 8.7, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.46, 8.9, 2' (O. Miyazaki, 0.32-m Newtonian);
    10.88, 8.4, 5' (P. Pérez Corujo, La Lechuza. Vega de San Mateo. Gran Canaria, 25x100 Binoculars; 2° tail);
    10.87, 8.4, 5.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.09° tail in p.a. 104 deg);
    10.86, 8.8, 3' (V. Díaz, La Romana, Alicante, Spain, 0.2-m Newtonian);
    10.79, 8.5, 5' (V. Gonano, Udine, Italy, 10x50 Binoculars);
    10.46, 9.0, 2' (O. Miyazaki, 0.32-m Newtonian);
    09.88, 7.9, 1.5' (U. Pilz, 0.32-m Newtonian; 0.04° tail in p.a. 52 deg);
    09.83, 8.5, 2' (P. Guzik, 25x100 Binoculars);
    09.47, 8.8, 3' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    08.87, 8.4, 7.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.16° tail in p.a. 105 deg);
    08.86, 8.6, 3' (C. Labordena, La Serra d Engarcera, 0.2-m Schmidt-Cassegrain);
    08.85, 8.4, 7.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    08.84, 8.8, 3.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    06.89, 8.5, 2.5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    06.47, 8.8, 3' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    05.47, 8.8, 4' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    04.85, 9.0, 3.5' (V. Díaz, La Romana, Alicante, Spain, 0.2-m Newtonian);
    04.47, 8.6, 3' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    04.45, 8.8, 1.3' (O. Miyazaki, 0.32-m Newtonian);
    04.45, 9.3, 2' (S. Yoshida, 0.4-m Newtonian);
    04.14, 8.6, 1.5' (C. Hergenrother, Tanque Verde, Arizona, 30x125.0 Binoculars);
    03.48, 8.5, 3' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    03.45, 9.0, 2.5' (O. Miyazaki, 0.32-m Newtonian);
    03.45, 8.9, 3.3' (S. Yoshida, 0.4-m Newtonian);
    02.45, 9.6, 2' (O. Miyazaki, 0.32-m Newtonian);
    01.92, 8.7, 3' (M. Goiato, 20x100 Binoculars);
    01.84, 8.8, 3.5' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
apr 30.83, 8.8, 4' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    30.82, 8.6, 3' (P. Guzik, 25x100 Binoculars);
    30.14, 8.7, 2' (C. Hergenrother, Tanque Verde, Arizona, 30x125.0 Binoculars);
    29.82, 8.8, 3' (P. Guzik, 25x100 Binoculars);
    28.79, 8.5, 2' (V. Gonano, Udine, Italy, 10x50 Binoculars);
    27.82, 9.6, 2' (E. Banach, 0.25-m Newtonian);
    27.81, 9.0, 2.5' (P. Guzik, 25x100 Binoculars);
    26.81, 8.9, 3' (P. Guzik, 25x100 Binoculars);
    20.91, 9.8, 1' (J. de Souza Aguiar, 25x100 Binoculars);
    19.91, 9.9, 1' (J. de Souza Aguiar, 25x100 Binoculars);
    18.91, 9.9, 1' (J. de Souza Aguiar, 25x100 Binoculars);

29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 11.91, 14.0, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.87, 12.3, 5.1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    10.93, 13.9, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.88, 13.7, 2.63' (K. Hills, 0.5-m Newtonian + CCD);
    09.88, 13.3, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.91, 14.3, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.89, 13.6, 3.2' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD);
    07.86, 13.8, 1.4' (E. Bryssinck, 0.4-m Newtonian + CCD);
    06.97, 13.3, 3' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    05.94, 13.6, 2.82' (K. Hills, 0.5-m Newtonian + CCD);
    03.90, 14.8, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.89, 13.6, 2.82' (K. Hills, 0.5-m Newtonian + CCD);
    03.88, 13.1, 0.2' (E. Bryssinck, 0.4-m Newtonian + CCD);
    02.88, 13.6, 2.82' (K. Hills, 0.5-m Newtonian + CCD);
    01.92, 13.4, 2.8' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    01.92, 13.8, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    01.91, 12.4, 6.2' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
apr 30.90, 15.1, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
    30.89, 13.6, 0.5' (W. Hasubick, 0.44-m Newtonian);
    30.86, 12.2, 1.6' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    29.88, 13.8, 2.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    28.90, 12.4, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    28.88, 13.2, 3' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    28.87, 13.4, 3.01' (K. Hills, 0.5-m Newtonian + CCD);
    28.84, 14.3, 1.2' (E. Bryssinck, 0.4-m Newtonian + CCD);
    27.88, 13.5, 3.7' (M. Lošťák, 0.2-m Newtonian + CCD);
    27.87, 12.4, 5.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    25.83, 15.2, 0.67' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD);
    21.84, 12.6, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD);

32P/Comas Sola
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 13.91, 14.4, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.88, 14.1, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.89, 14.0, 2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.6' tail in p.a. 91 deg);
    03.85, 13.8, 1.5' (E. Bryssinck, 0.4-m Newtonian + CCD);
apr 27.85, 14.0, 1.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.8' tail in p.a. 91 deg);
    27.84, 14.3, 1.3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.8' tail in p.a. 104 deg);
    26.88, 16.2, 0.29' (S. Shurpakov, 0.41-m Newtonian);

37P/Forbes
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 16.86, 15.9, 0.5' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    10.94, 17.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    02.06, 18.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

62P/Tsuchinshan
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 13.85, 15.2, 2.4' (M. Lošťák, 0.2-m Newtonian + CCD);
    11.90, 13.3, 6.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.45° tail in p.a. 291 deg);
    11.03, 15.5, 1.5' (K. Hills, 0.5-m Newtonian + CCD);
    10.92, 13.1, 6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.23° tail in p.a. 300 deg);
    10.88, 15.8, 1' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    08.94, 15.0, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.92, 16.5, 0.72' (S. Shurpakov, 0.41-m Newtonian + CCD);
    07.48, 15.3, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.00, 14.9, 2.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    05.96, 14.7, 2.26' (K. Hills, 0.5-m Newtonian + CCD);
    04.92, 12.6, 8.9' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.53° tail in p.a. 295 deg);
    04.92, 15.6, 0.94' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    04.48, 14.7, 1.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    03.94, 15.2, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.92, 15.8, 0.75' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    03.07, 17.8, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);
    01.96, 14.7, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
apr 30.99, 11.6, 0.6' (W. Hasubick, 0.44-m Newtonian);
    30.90, 13.0, 1.2' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    29.95, 12.4, 9.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.45° tail in p.a. 295 deg);
    29.92, 15.0, 1.13' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    29.89, 12.8, 6.3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.09° tail in p.a. 296 deg);
    29.52, 14.0, 2.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    28.95, 13.8, 3.01' (K. Hills, 0.5-m Newtonian + CCD);
    28.93, 15.7, 0.75' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    28.93, 13.6, 2.9' (P. Dekelver, 0.3-m Newtonian + CCD; 6.2' tail in p.a. 297 deg);
    27.93, 12.7, 6.9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.38° tail in p.a. 294 deg);
    27.51, 15.2, 1.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);

65P/Gunn
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 15.54, 16.3, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    13.93, 16.1, 0.8' (E. Bryssinck, 0.4-m Newtonian + CCD);
    13.90, 16.2, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    13.90, 17.2, 0.7' (M. Lošťák, 0.2-m Newtonian + CCD);
    11.98, 16.1, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.94, 16.7, 0.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    11.01, 17.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    10.99, 16.3, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.96, 16.5, 0.38' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD);
    09.00, 15.9, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.99, 16.7, 0.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    07.49, 16.1, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.02, 16.9, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    06.48, 16.5, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.89, 17.6, -- (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain + CCD);
    04.51, 16.5, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    03.99, 16.0, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.94, 16.1, 0.8' (E. Bryssinck, 0.4-m Newtonian + CCD);
    03.48, 16.4, 0.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    02.96, 17.3, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    01.99, 16.0, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
apr 30.96, 16.2, 0.24' (S. Shurpakov, 0.41-m Newtonian + CCD);
    29.97, 16.4, 0.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    29.50, 16.4, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    28.96, 16.2, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    28.90, 16.0, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);

103P/Hartley
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 02.95, 19.2, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

125P/Spacewatch
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.78, 17.0, 0.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 0.8' tail in p.a. 262 deg);
    16.77, 17.2, 0.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.4' tail in p.a. 257 deg);
    15.76, 17.0, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.5' tail in p.a. 254 deg);
    07.13, 17.0, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    04.07, 16.3, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

144P/Kushida
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.48, 12.9, 1.9' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    15.75, 15.0, 1.5' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    13.94, 14.1, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.92, 15.1, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.89, 12.3, 6.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    09.90, 11.9, 7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    08.97, 12.1, 1.8' (W. Kutschera, 0.508-m Newtonian);
    08.92, 14.0, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.50, 12.4, 3.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.50, 13.3, 2.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.46, 13.7, 0.6' (C. Wyatt, 0.4-m Newtonian);
    06.93, 11.0, 4' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    06.51, 12.7, 3.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.88, 16.3, -- (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain + CCD);
    04.52, 13.2, 2.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    03.92, 14.7, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    02.78, 12.2, 7' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);
    01.85, 11.8, 2' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
apr 30.89, 16.4, -- (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain + CCD);
    30.86, 11.6, 7.9' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    30.85, 11.6, 2' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    29.48, 13.1, 2.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    29.46, 12.7, 1.9' (A. Pearce, 0.05-m Refractor + CCD);
    28.47, 13.0, 3.2' (A. Pearce, 0.05-m Refractor + CCD);
    28.47, 12.9, 2.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    27.89, 11.4, 9.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    27.85, 12.1, 5.5' (M. Lošťák, 0.2-m Newtonian + CCD);
    26.48, 13.2, 2.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    22.88, 11.6, 5.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    22.87, 11.2, 9' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    22.51, 12.4, 2.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    21.89, 13.4, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD);
    21.51, 12.1, 2.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    20.85, 15.1, 0.62' (S. Shurpakov, 0.41-m Newtonian);
    20.47, 13.3, 1.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.47, 12.0, 2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    18.85, 13.0, 1.5' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD);

150P/LONEOS
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
apr 28.91, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

207P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 10.96, 19.1, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    02.94, 18.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
apr 29.53, 17.2, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);

216P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 05.95, 19.5, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
apr 28.94, 19.6, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

227P/Catalina-LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 13.96, 15.8, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.94, 15.8, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.96, 15.4, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.95, 15.7, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.88, 16.1, 1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    06.01, 17.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
apr 29.93, 15.8, 0.9' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.4' tail in p.a. 124 deg);
    27.91, 15.9, 1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);

251P/LINEAR
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 03.32, 21.1, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

349P/Lemmon
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 03.20, 18.3, -- (J. Maikner, Comet Hunter Observatory 2, 0.305-m Hyperboloid astro-camera + CCD);

362P
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 16.89, 17.0, 0.3' (G. Pappa, Piemonte,Italy (remote control), 0.11-m Refractor + CCD);
    13.94, 16.3, 0.7' (E. Bryssinck, 0.4-m Newtonian + CCD);
    10.03, 16.7, 0.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    03.98, 16.8, 0.4' (E. Bryssinck, 0.4-m Newtonian + CCD);
    02.00, 16.6, 0.8' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);

473P/NEAT
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 09.06, 16.2, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.93, 14.0, 3.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    04.06, 16.2, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    01.91, 14.1, 3.7' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    01.86, 14.7, 1.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
apr 29.07, 15.5, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    27.91, 13.9, 3.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    22.84, 15.0, 1.1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    22.84, 14.0, 2.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);

479P/Elenin
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.51, 13.5, 2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    16.51, 13.1, 2.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    15.50, 13.3, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    14.49, 14.0, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    11.51, 12.0, 2.6' (A. Pearce, 0.05-m Refractor + CCD);
    08.52, 13.5, 2.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.51, 12.3, 4.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.49, 13.8, 0.9' (C. Wyatt, 0.4-m Newtonian);
    06.92, 10.8, 2' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    06.51, 12.4, 4.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.55, 14.6, 1.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.46, 13.0, 0.8' (S. Yoshida, 0.4-m Newtonian);
    03.46, 13.2, 0.7' (S. Yoshida, 0.4-m Newtonian);
    02.75, 13.0, 2' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    02.00, 10.8, 2' (M. Goiato, 0.22-m Newtonian);
    01.81, 12.0, 6.7' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);
apr 29.52, 13.7, 1.9' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    28.95, 10.7, 2' (M. Goiato, 0.22-m Newtonian);
    26.49, 14.6, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    22.47, 13.9, 1.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    21.53, 13.0, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    20.50, 14.2, 0.9' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.50, 13.9, 1.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);

C/2014 UN271 (Bernardinelli-Bernstein)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 03.75, 15.0, 2.5' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD);

C/2019 T4 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 12.08, 14.5, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.05, 15.2, 1.7' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.24° tail in p.a. 252 deg);
    09.03, 14.9, 2.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.08° tail in p.a. 247 deg);
    07.07, 16.0, 0.8' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    06.16, 17.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    05.01, 17.0, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    04.04, 15.7, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD; 2' tail in p.a. 257 deg);
    02.08, 15.6, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    01.02, 16.7, 0.38' (S. Shurpakov, 0.41-m Newtonian + CCD);
apr 29.10, 15.5, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 3.4' tail in p.a. 256 deg);

C/2019 U5 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.48, 14.6, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    15.75, 14.7, 0.5' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    15.46, 15.1, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    14.48, 15.5, 0.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.50, 14.9, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    06.50, 15.0, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.47, 14.8, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    03.80, 14.5, 1.4' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.06° tail in p.a. 81 deg);
apr 29.48, 14.9, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    28.47, 15.0, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    26.49, 14.7, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    21.52, 14.8, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    20.47, 14.4, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.48, 14.5, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);

C/2020 F2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 05.99, 19.0, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
apr 28.92, 18.9, 0.38' (K. Hills, 0.5-m Newtonian + CCD);

C/2020 K1 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 15.45, 15.2, 1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.47, 15.5, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.3' tail in p.a. 196 deg);
    03.77, 15.0, 1.9' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.12° tail in p.a. 189 deg);
apr 29.47, 15.4, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    28.47, 15.6, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    27.48, 15.5, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    26.47, 16.1, 0.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    21.52, 15.4, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    20.47, 15.6, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.47, 15.6, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);

C/2020 S4 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 08.98, 18.3, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    04.91, 19.8, 0.19' (S. Shurpakov, 0.41-m Newtonian + CCD);

C/2020 V2 (ZTF)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.83, 13.7, 1.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 5.6' tail in p.a. 23 deg);
    16.83, 13.8, 1.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 5.1' tail in p.a. 22 deg);
    15.84, 13.7, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 6.3' tail in p.a. 29 deg);
    14.84, 13.5, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 6.7' tail in p.a. 22 deg);
    05.16, 13.3, 2.5' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.77° tail in p.a. 27 deg);

C/2021 G2 (Atlas)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.59, 13.5, 1.6' (A. Pearce, 0.05-m Refractor + CCD);
    17.47, 13.7, 1.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.2' tail in p.a. 253 deg);
    16.60, 14.0, 1.1' (A. Pearce, 0.05-m Refractor + CCD);
    16.49, 13.9, 1.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 3.2' tail in p.a. 256 deg);
    15.59, 13.2, 1.1' (A. Pearce, 0.05-m Refractor + CCD);
    15.48, 13.9, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.9' tail in p.a. 251 deg);
    14.60, 13.7, 1.3' (A. Pearce, 0.05-m Refractor + CCD);
    14.52, 14.0, 1.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    12.49, 13.9, 0.4' (C. Wyatt, 0.25-m Newtonian);
    11.61, 13.8, 1.3' (A. Pearce, 0.05-m Refractor + CCD);
    10.92, 14.0, 0.94' (K. Hills, 0.5-m Newtonian + CCD);
    09.71, 13.8, 1.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.65, 13.8, 1.3' (A. Pearce, 0.05-m Refractor + CCD);
    07.50, 13.5, 0.7' (C. Wyatt, 0.4-m Newtonian);
    07.49, 13.8, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.6' tail in p.a. 250 deg);
    06.98, 13.9, 0.8' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    06.67, 13.8, 1.3' (A. Pearce, 0.05-m Refractor + CCD);
    06.50, 13.8, 1.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.4' tail in p.a. 254 deg);
    05.68, 13.8, 1.1' (A. Pearce, 0.05-m Refractor + CCD);
    04.46, 13.9, 1.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.9' tail in p.a. 256 deg);
    03.50, 13.8, 1.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    02.92, 13.8, 1.13' (K. Hills, 0.5-m Newtonian + CCD);
    01.87, 13.7, 1.7' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.15° tail in p.a. 258 deg);
apr 29.49, 13.8, 1.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.6' tail in p.a. 250 deg);
    29.48, 13.7, 1.1' (A. Pearce, 0.05-m Refractor + CCD);
    28.49, 13.9, 1.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2' tail in p.a. 255 deg);
    28.48, 13.4, 1' (A. Pearce, 0.05-m Refractor + CCD);
    27.51, 13.8, 1.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.6' tail in p.a. 258 deg);
    26.53, 14.0, 1.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    25.83, 13.5, 1' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    21.68, 13.6, 1.1' (A. Pearce, 0.05-m Refractor + CCD);
    21.54, 13.7, 1.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.5' tail in p.a. 267 deg);
    20.68, 13.8, 0.8' (A. Pearce, 0.05-m Refractor + CCD);
    20.49, 14.0, 1.2' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.49, 13.7, 1.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.1' tail in p.a. 256 deg);

C/2021 S3 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.71, 12.1, 0.8' (O. Miyazaki, 0.32-m Newtonian);
    16.87, 12.0, 1' (G. Pappa, Piemonte,Italy (remote control), 0.11-m Refractor + CCD; 10' tail);
    14.67, 11.6, 1.7' (O. Miyazaki, 0.32-m Newtonian);
    13.88, 11.3, 2' (J. Powichrowski, Knyszyn, 0.35-m Newtonian);
    12.06, 10.8, 6.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.47° tail in p.a. 268 deg);
    12.05, 11.2, 4.5' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.91° tail in p.a. 267 deg);
    11.97, 11.3, 1.6' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    10.63, 11.8, 1.7' (O. Miyazaki, 0.32-m Newtonian);
    10.06, 10.7, 7.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.41° tail in p.a. 267 deg);
    10.03, 11.4, 1' (M. Filipek, 0.25-m Newtonian);
    10.03, 11.3, 2.6' (P. Dekelver, 0.3-m Newtonian + CCD; 20.1' tail in p.a. 262 deg);
    09.99, 11.3, 2' (M. Kwinta, Bukownec/Bieszczady, 0.4-m Newtonian);
    09.66, 11.3, 1.6' (O. Miyazaki, 0.32-m Newtonian);
    09.09, 11.5, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 20.3' tail in p.a. 269 deg);
    09.09, 11.8, 1.8' (W. Kutschera, 0.508-m Newtonian; 0.06° tail);
    09.07, 11.1, 5.9' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.59° tail in p.a. 267 deg);
    08.98, 11.9, 1.4' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    08.97, 12.6, 0.62' (S. Shurpakov, 0.41-m Newtonian + CCD; 12' tail in p.a. 266 deg);
    08.96, 11.1, 1' (U. Pilz, 0.32-m Newtonian);
    07.09, 10.7, 4.1' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    06.96, 10.9, 2.5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain);
    05.96, 11.0, 2.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    05.08, 10.5, 2.1' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    04.99, 12.7, 0.72' (S. Shurpakov, 0.41-m Newtonian + CCD; 17' tail in p.a. 258 deg);
    04.84, 13.4, -- (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain + CCD);
    04.71, 11.5, 1.5' (O. Miyazaki, 0.32-m Newtonian);
    04.62, 11.2, 1.6' (S. Yoshida, 0.4-m Newtonian);
    04.13, 10.6, 2.5' (C. Labordena, La Serra d Engarcera, 0.2-m Schmidt-Cassegrain);
    04.09, 9.8, 5.5' (P. Dekelver, 0.3-m Newtonian + CCD; 20.1' tail in p.a. 265 deg);
    04.04, 9.9, 2.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    03.97, 11.3, 2.4' (E. Bryssinck, 0.4-m Newtonian + CCD);
    03.72, 11.0, 1.9' (S. Yoshida, 0.4-m Newtonian);
    02.94, 12.5, 0.96' (S. Shurpakov, 0.41-m Newtonian + CCD; 11' tail in p.a. 259 deg);
    02.93, 10.4, 3' (C. Harder, Jeersdorf, 0.298-m Newtonian);
    02.64, 11.1, 1.2' (O. Miyazaki, 0.32-m Newtonian);
    02.09, 11.1, 4.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.67° tail in p.a. 263 deg);
    02.03, 10.5, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 20.3' tail in p.a. 263 deg);
    01.97, 11.1, 4.2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 1.26° tail in p.a. 263 deg);
    01.03, 13.8, 0.96' (S. Shurpakov, 0.41-m Newtonian + CCD; 1.7' tail in p.a. 266 deg);
    01.01, 10.6, 2' (J. Konecny, Medlov - Hlivice, 0.2-m Newtonian);
apr 30.96, 10.7, 2.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    30.95, 11.5, 1' (M. Filipek, 0.25-m Newtonian);
    30.92, 11.5, 1.2' (M. Kwinta, Krzesławice, 0.4-m Newtonian);
    30.04, 10.8, 5.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.78° tail in p.a. 263 deg);
    30.01, 10.5, 2.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    29.91, 11.3, 2' (U. Pilz, 0.32-m Newtonian);
    29.09, 11.4, 2.2' (W. Kutschera, 0.508-m Newtonian; 0.08° tail);
    29.03, 10.0, 2.5' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    27.93, [10.5, 2' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    27.92, 10.6, 1.8' (M. Kwinta, 0.3-m Newtonian);
    26.90, 10.4, 2.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian);
    19.29, 11.4, 1' (J. de Souza Aguiar, 0.3-m Newtonian);
    18.81, 11.0, 1.7' (K. Yoshimoto, 0.203-m Ritchey-Chretien + CCD; 18' tail in p.a. 255 deg);

C/2021 T4 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 09.91, 17.5, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.95, 17.6, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    04.90, 17.8, -- (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain + CCD);
    03.95, 16.9, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    03.92, 17.5, 0.4' (E. Bryssinck, 0.4-m Newtonian + CCD);
    01.98, 16.4, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
apr 28.95, 17.2, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2022 E2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 10.90, 14.0, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 3.4' tail in p.a. 123 deg);
    09.87, 13.9, 1.1' (P. Dekelver, 0.3-m Newtonian + CCD; 3.7' tail in p.a. 125 deg);
    09.86, 13.9, 1.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 2.1' tail in p.a. 125 deg);
    08.91, 13.9, 1.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 122 deg);
    08.87, 13.7, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD; 5.2' tail in p.a. 125 deg);
    06.91, 14.2, 0.8' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    04.85, 15.9, -- (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain + CCD);
    04.47, 12.0, 1.8' (S. Yoshida, 0.4-m Newtonian);
    03.87, 13.6, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 3.9' tail in p.a. 124 deg);
    03.86, 14.3, 0.8' (E. Bryssinck, 0.4-m Newtonian + CCD);
    01.95, 14.0, 0.9' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    01.94, 13.8, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD; 2.3' tail in p.a. 121 deg);
apr 30.90, , 0.45' (C. Harder, Jeersdorf f, 0.531-m Newtonian);
    30.86, 14.6, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD; 1.1' tail in p.a. 97 deg);
    29.85, 13.9, 1.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.05° tail in p.a. 125 deg);
    28.89, 13.9, 1.2' (E. Bryssinck, 0.4-m Newtonian + CCD);
    28.86, 13.8, 1.5' (P. Dekelver, 0.3-m Newtonian + CCD; 3.9' tail in p.a. 122 deg);
    27.87, 14.0, 1.2' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 121 deg);
    26.84, 14.4, 0.48' (S. Shurpakov, 0.41-m Newtonian; 3' tail in p.a. 127 deg);
    25.86, 13.7, 0.2' (W. Hasubick, 0.44-m Newtonian);
    25.81, 14.4, 0.66' (S. Shurpakov, 0.2-m Schmidt-Newtonian + CCD; 1.4' tail in p.a. 109 deg);
    22.90, 13.9, 1.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 123 deg);
    22.06, 13.9, -- (R. Ang, 0.114-m Newtonian + CCD);
    21.87, 13.6, 1.8' (P. Dekelver, 0.3-m Newtonian + CCD; 3.5' tail in p.a. 121 deg);
    20.81, 14.0, 0.38' (S. Shurpakov, 0.41-m Newtonian; 0.8' tail in p.a. 98 deg);

C/2022 L2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 16.55, 14.9, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    15.47, 14.9, 1.1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    14.45, 15.3, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    10.87, 14.5, 1' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    07.51, 14.6, 0.5' (C. Wyatt, 0.4-m Newtonian);
    07.51, 14.7, 1' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 0.9' tail in p.a. 94 deg);
    06.49, 15.1, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.46, 14.7, 0.9' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.3' tail in p.a. 81 deg);
    03.49, 14.3, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    02.80, 13.9, 2.6' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.14° tail in p.a. 82 deg);
apr 29.46, 14.7, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.4' tail in p.a. 76 deg);
    28.90, 14.5, 1.32' (K. Hills, 0.5-m Newtonian + CCD);
    28.49, 14.7, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.4' tail in p.a. 74 deg);
    27.48, 14.8, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 0.6' tail in p.a. 71 deg);
    26.52, 14.9, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    25.83, 14.3, 0.5' (G. Pappa, Namibia (remote control), 0.106-m Refractor + CCD);
    21.54, 14.7, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    20.48, 14.4, 0.9' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.49, 14.7, 0.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);

C/2022 N2 (PANSTARRS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 04.15, 16.7, 0.6' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.9' tail in p.a. 246 deg);
apr 19.15, 16.8, 0.5' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.5' tail in p.a. 239 deg);

C/2022 U1 (Leonard)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 14.07, 16.2, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    07.11, 17.8, 0.4' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    04.10, 17.2, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2023 A3 (Tsuchinshan-ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.89, 9.9, 2.8' (M. Paradowski, 0.068-m Refractor + CCD; 0.1° tail in p.a. 100 deg);
    17.62, 10.5, -- (B. Ai, 0.203-m Newtonian + CCD);
    17.57, 11.1, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 5' tail in p.a. 104 deg);
    17.48, 10.8, 0.9' (O. Miyazaki, 0.32-m Newtonian; 2.4' tail in p.a. 122 deg);
    17.46, 11.1, 1.4' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 4.3' tail in p.a. 101 deg);
    16.98, 10.6, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 8.3' tail in p.a. 102 deg);
    16.58, 11.9, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    16.58, 9.9, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    16.55, 11.1, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 5.2' tail in p.a. 103 deg);
    16.50, 11.4, 1.3' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 5.8' tail in p.a. 99 deg);
    15.90, 10.2, 1.1' (M. Kwinta, 0.3-m Newtonian; 5' tail in p.a. 100 deg);
    15.89, 9.9, 2.2' (M. Paradowski, 0.068-m Refractor + CCD; 0.07° tail in p.a. 100 deg);
    15.85, 10.0, 1.8' (P. Guzik, 25x100 Binoculars);
    15.54, 11.1, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 5' tail in p.a. 101 deg);
    14.97, 10.2, 2.2' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    14.90, 10.0, 2.2' (M. Paradowski, 0.068-m Refractor + CCD; 0.06° tail in p.a. 100 deg);
    14.90, 10.0, 2' (P. Guzik, 25x100 Binoculars);
    14.89, 10.3, 1.2' (M. Kwinta, 0.3-m Newtonian; 5' tail in p.a. 100 deg);
    14.48, 11.3, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 6.8' tail in p.a. 100 deg);
    14.47, 10.6, 1' (O. Miyazaki, 0.32-m Newtonian; 5.5' tail in p.a. 100 deg);
    14.00, 10.9, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 8.8' tail in p.a. 98 deg);
    13.93, 10.0, 2.2' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    13.92, 10.9, 2.6' (E. Bryssinck, 0.4-m Newtonian + CCD);
    13.89, 10.3, 1.1' (M. Kwinta, 0.3-m Newtonian; 5' tail in p.a. 105 deg);
    13.87, 10.2, 1.8' (J. Powichrowski, Knyszyn, 0.35-m Newtonian; 0.06° tail in p.a. 100 deg);
    13.86, 10.1, 1.5' (E. Banach, 0.25-m Newtonian);
    13.54, 10.4, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    13.54, 12.7, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    13.12, 10.0, 3' (M. Goiato, 0.22-m Newtonian);
    12.98, 9.7, 2.8' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain; 3.1' tail in p.a. 94 deg);
    12.89, 10.2, 2.1' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    12.89, 10.4, 1.5' (M. Kwinta, 0.3-m Newtonian; 6' tail in p.a. 105 deg);
    12.86, 10.1, 1.5' (E. Banach, 0.25-m Newtonian; 3' tail in p.a. 110 deg);
    12.86, 10.5, 1' (S. Shurpakov, 0.41-m Newtonian; 2.5' tail);
    12.86, 10.6, 0.96' (S. Shurpakov, 0.41-m Newtonian + CCD; 8' tail in p.a. 106 deg);
    12.85, 10.0, 1.8' (P. Guzik, 25x100 Binoculars);
    12.58, 10.5, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    12.58, 12.5, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    12.55, 10.1, 2' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian; 3' tail in p.a. 110 deg);
    12.48, 10.5, 1.3' (C. Wyatt, 0.25-m Newtonian; 10' tail in p.a. 95 deg);
    12.00, 10.9, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 10.1' tail in p.a. 96 deg);
    11.97, 10.5, 1.7' (A. Kammerer, Voelkersbach (Black Forest), Germany, 0.397-m Newtonian; 0.07° tail in p.a. 110 deg);
    11.94, 11.0, 1.7' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 11' tail in p.a. 97 deg);
    11.93, 10.5, 1' (J. Warell, Humlarödshus fälad, Skurup, 40x100 Binoculars);
    11.92, 10.5, 3.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.17° tail in p.a. 102 deg);
    11.92, 11.0, 1.4' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 3.5' tail in p.a. 100 deg);
    11.91, 10.5, 3.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.14° tail in p.a. 98 deg);
    11.90, 10.3, 1.7' (J. Powichrowski, Knyszyn, 0.35-m Newtonian; 0.06° tail in p.a. 100 deg);
    11.89, 10.1, 1.5' (M. Meyer, 0.152-m Refractor);
    11.85, 10.1, 0.5' (M. Deconinck, OAB - Observatoire Astronomique de Bauduen, 0.61-m Newtonian; 4.5' tail);
    11.60, 10.4, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    11.47, 10.9, 1.2' (O. Miyazaki, 0.32-m Newtonian; 4.8' tail in p.a. 115 deg);
    11.46, 11.2, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 5.7' tail in p.a. 100 deg);
    11.24, 10.0, 1.8' (C. Hergenrother, Tanque Verde, Arizona, 30x125.0 Binoculars);
    11.00, 11.0, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 7.3' tail in p.a. 98 deg);
    10.98, 10.6, 2.5' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain; 2.8' tail in p.a. 105 deg);
    10.98, 11.1, 2.82' (K. Hills, 0.5-m Newtonian + CCD);
    10.95, 10.6, 2.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.14° tail in p.a. 102 deg);
    10.92, 10.1, 1.5' (M. Meyer, 0.152-m Refractor; 1.5' tail in p.a. 100 deg);
    10.90, 10.8, 1.3' (V. Díaz, La Romana, Alicante, Spain, 0.2-m Newtonian; 1.5' tail in p.a. 105 deg);
    10.90, 10.5, 3.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.13° tail in p.a. 99 deg);
    10.88, 10.2, 1.8' (M. Kwinta, Bukownec/Bieszczady, 0.4-m Newtonian; 8' tail in p.a. 105 deg);
    10.64, 12.6, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    10.64, 10.3, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    10.58, 10.0, 2' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    10.49, 10.7, 1.3' (O. Miyazaki, 0.32-m Newtonian; 5' tail in p.a. 113 deg);
    10.01, 10.4, 2.5' (M. Filipek, 0.25-m Newtonian);
    09.96, 10.5, 4.3' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.15° tail in p.a. 98 deg);
    09.93, 10.8, 2' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 10' tail in p.a. 97 deg);
    09.90, 10.7, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 7.5' tail in p.a. 97 deg);
    09.89, 10.2, 1.8' (M. Kwinta, Bukownec/Bieszczady, 0.4-m Newtonian; 8' tail in p.a. 105 deg);
    09.89, 10.3, 3.6' (M. Paradowski, Dabrowa, Poland, 0.05-m Camera lens + CCD; 0.11° tail in p.a. 100 deg);
    09.88, 10.1, 3.6' (M. Paradowski, Dabrowa, Poland, 0.05-m Camera lens + CCD; 0.11° tail in p.a. 100 deg);
    09.86, 10.4, 3.6' (M. Paradowski, Dabrowa, Poland, 0.05-m Camera lens + CCD; 0.11° tail in p.a. 100 deg);
    09.85, 10.1, 1.8' (P. Guzik, 25x100 Binoculars);
    09.69, 11.2, 1.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 3.5' tail in p.a. 100 deg);
    09.69, 12.5, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    09.69, 10.2, 1.5' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD; 6' tail);
    09.62, 10.6, 1.2' (O. Miyazaki, 0.32-m Newtonian; 7.8' tail in p.a. 105 deg);
    09.54, 10.6, 2' (Y. Yamaguchi, 0.076-m Refractor + CCD; 2.9' tail in p.a. 98 deg);
    09.47, 10.0, 1.5' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    09.12, 9.8, 1' (D. Zubenel, De Soto, Kansas., 0.318-m Newtonian; 1.9' tail in p.a. 95 deg);
    09.06, 9.6, 1.7' (W. Kutschera, 0.08-m Refractor; 0.12° tail);
    08.96, 10.5, 3.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.15° tail in p.a. 99 deg);
    08.95, 10.3, 1.6' (M. Mašek, 0.2-m Newtonian; 1.8' tail in p.a. 93 deg);
    08.94, 10.5, 4.4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.18° tail in p.a. 95 deg);
    08.93, 10.2, 1.5' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 3.5' tail in p.a. 103 deg);
    08.92, 10.7, 1.4' (M. Phillips, Forthimage Observatory, Edinburgh UK, 0.3-m Newtonian + CCD; 9' tail in p.a. 98 deg);
    08.91, 10.8, 1.8' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 9.4' tail in p.a. 98 deg);
    08.91, 9.8, 2' (A. Scholten, Eerbeek, 0.2-m Newtonian);
    08.91, 10.3, 1.5' (C. Labordena, La Serra d Engarcera, 0.2-m Schmidt-Cassegrain; 2' tail);
    08.89, 10.7, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 9' tail in p.a. 98 deg);
    08.88, 11.5, 0.88' (S. Shurpakov, 0.41-m Newtonian + CCD; 5.2' tail in p.a. 100 deg);
    08.88, 10.0, 2' (U. Pilz, 0.32-m Newtonian; 0.1° tail in p.a. 70 deg);
    08.87, 10.4, 0.8' (S. Shurpakov, 0.41-m Newtonian; 1.6' tail in p.a. 114 deg);
    07.92, 10.8, 1.6' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 9' tail in p.a. 96 deg);
    07.92, 10.1, 2' (A. Scholten, Eerbeek, 0.2-m Newtonian);
    07.88, 10.9, 1.9' (E. Bryssinck, 0.4-m Newtonian + CCD);
    07.84, 9.9, 1.5' (J. Powichrowski, Knyszyn, 0.35-m Newtonian; 0.06° tail in p.a. 101 deg);
    07.63, 11.2, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 4.5' tail in p.a. 96 deg);
    07.48, 11.2, 1.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 6.6' tail in p.a. 97 deg);
    07.48, 10.8, 1' (C. Wyatt, 0.4-m Newtonian; 5.4' tail in p.a. 100 deg);
    07.05, 10.6, 3.2' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    06.95, 10.9, 1.1' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain; 0.05° tail in p.a. 100 deg);
    06.94, 10.7, 1.4' (M. Phillips, ASERO Trevinca Skies, Spain, 0.3-m Newtonian + CCD; 9' tail in p.a. 97 deg);
    06.94, 10.8, 2.2' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 9.5' tail in p.a. 96 deg);
    06.90, 10.8, 1.5' (J. Chambó Bris, Valles, Valencia, Spain, 0.2-m Newtonian + CCD; 6.6' tail in p.a. 96 deg);
    06.81, 10.5, 3.4' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.18° tail in p.a. 98 deg);
    06.65, 11.4, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 3.9' tail in p.a. 100 deg);
    06.48, 11.3, 1.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 4.9' tail in p.a. 99 deg);
    06.48, 10.1, 1.8' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    06.42, 10.1, 2' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    05.92, 10.6, 1.5' (C. Harder, Jeersdorf f, 0.298-m Newtonian; 3.5' tail in p.a. 100 deg);
    05.89, 10.0, 1.8' (P. Guzik, 25x100 Binoculars);
    05.65, 11.0, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 3.8' tail in p.a. 97 deg);
    05.50, 9.9, 2' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    05.50, 9.9, 2' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    05.48, 10.5, 1.4' (C. Wyatt, 0.25-m Newtonian; 6' tail in p.a. 103 deg);
    05.42, 10.1, 2' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    04.94, 10.0, 2' (P. Guzik, 10x42.0 Binoculars);
    04.93, 10.5, 4.7' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.12° tail in p.a. 96 deg);
    04.92, 10.5, 1.6' (V. Díaz, La Romana, Alicante, Spain, 0.2-m Newtonian; 3' tail in p.a. 95 deg);
    04.92, 10.3, 3.6' (M. Paradowski, Dabrowa, Poland, 0.05-m Camera lens + CCD; 0.17° tail in p.a. 97 deg);
    04.91, 10.3, 1.3' (E. Banach, 0.25-m Newtonian);
    04.91, 10.2, 3.6' (M. Paradowski, Dabrowa, Poland, 0.05-m Camera lens + CCD; 0.17° tail in p.a. 97 deg);
    04.90, 10.4, 3.6' (M. Paradowski, Dabrowa, Poland, 0.05-m Camera lens + CCD; 0.17° tail in p.a. 97 deg);
    04.88, 10.4, 1.2' (M. Kwinta, 0.3-m Newtonian; 5' tail in p.a. 110 deg);
    04.86, 11.9, -- (T. Csorgei, Bratislava, SK, 0.28-m Schmidt-Newtonian + CCD);
    04.86, 11.1, 0.72' (S. Shurpakov, 0.41-m Newtonian + CCD; 5.5' tail in p.a. 94 deg);
    04.84, 10.6, 1' (S. Shurpakov, 0.41-m Newtonian; 2.6' tail);
    04.59, 11.2, 1.9' (A. Pearce, 0.05-m Refractor + CCD; 6.6' tail in p.a. 97 deg);
    04.54, 9.9, 1.5' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD; 2' tail);
    04.49, 11.1, 1' (S. Yoshida, 0.4-m Newtonian; 4.2' tail in p.a. 110 deg);
    04.49, 10.8, 2.3' (S. Yoshida, 0.4-m Newtonian);
    04.49, 10.0, 2' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    04.48, 11.2, 1.9' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 4.6' tail in p.a. 94 deg);
    04.47, 10.6, 1.2' (O. Miyazaki, 0.32-m Newtonian; 4.5' tail in p.a. 110 deg);
    04.16, 10.1, 2' (C. Hergenrother, Tanque Verde, Arizona, 30x125.0 Binoculars);
    04.03, 9.6, 3.4' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain; 4.4' tail in p.a. 108 deg);
    03.90, 10.8, 2.3' (E. Bryssinck, 0.4-m Newtonian + CCD);
    03.88, 10.9, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 4.6' tail in p.a. 98 deg);
    03.88, 10.5, 3.3' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.16° tail in p.a. 98 deg);
    03.52, 10.5, 2.3' (S. Yoshida, 0.4-m Newtonian);
    03.52, 10.8, 0.9' (S. Yoshida, 0.4-m Newtonian; 2.5' tail in p.a. 100 deg);
    03.49, 10.6, 1.8' (Y. Yamaguchi, 0.076-m Refractor + CCD; 1.9' tail in p.a. 106 deg);
    03.49, 11.2, 1.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.9' tail in p.a. 96 deg);
    03.49, 10.9, 1.4' (O. Miyazaki, 0.32-m Newtonian; 3' tail in p.a. 110 deg);
    03.48, 10.2, 1.5' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    03.46, 10.7, 1.7' (Y. Yamaguchi, 0.076-m Refractor + CCD; 2.1' tail in p.a. 102 deg);
    03.45, 10.5, 2.1' (C. Wyatt, 0.25-m Newtonian; 8' tail in p.a. 115 deg);
    03.03, 11.0, 2.44' (K. Hills, 0.5-m Newtonian + CCD);
    02.97, 10.7, 2.1' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD; 4.9' tail in p.a. 97 deg);
    02.96, 10.2, 2.1' (M. Mašek, 0.25-m Schmidt-Cassegrain + CCD; 4.7' tail in p.a. 95 deg);
    02.92, 10.1, -- (J. Czyz, Erding / Germany, 0.152-m Maksutov);
    02.92, 10.6, 1.3' (C. Harder, Jeersdorf, 0.298-m Newtonian; 2.5' tail in p.a. 100 deg);
    02.91, 10.2, 0.72' (S. Shurpakov, 0.41-m Newtonian + CCD; 3.5' tail in p.a. 93 deg);
    02.90, 10.1, 1.6' (P. Guzik, 25x100 Binoculars);
    02.90, 10.9, 0.7' (S. Shurpakov, 0.41-m Newtonian);
    02.89, 10.5, 1.7' (J. Chambó Bris, Valles, Valencia, Spain, 0.2-m Newtonian + CCD; 5' tail in p.a. 96 deg);
    02.51, 10.8, 1.8' (O. Miyazaki, 0.32-m Newtonian; 3.7' tail in p.a. 115 deg);
    02.48, 10.2, 1' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    02.06, 10.1, 3' (M. Goiato, 0.22-m Newtonian);
    01.97, 10.8, 5.3' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    01.94, 10.6, 4' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.11° tail in p.a. 94 deg);
    01.94, 10.6, 2.8' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.13° tail in p.a. 96 deg);
    01.94, 9.6, 2.4' (M. Paradowski, 0.15-m Newtonian + CCD; 0.06° tail in p.a. 95 deg);
    01.93, 10.0, 2.4' (M. Paradowski, 0.15-m Newtonian + CCD; 0.06° tail in p.a. 95 deg);
    01.91, 10.5, 3.1' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 0.12° tail in p.a. 98 deg);
    01.90, 9.7, 2.4' (M. Paradowski, 0.15-m Newtonian + CCD; 0.06° tail in p.a. 95 deg);
    01.90, 10.1, 2.4' (M. Paradowski, 0.15-m Newtonian + CCD; 0.06° tail in p.a. 95 deg);
    01.89, 10.8, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 4.9' tail in p.a. 97 deg);
    01.89, 9.9, 2.9' (M. Paradowski, 0.15-m Newtonian + CCD; 0.1° tail in p.a. 92 deg);
    01.88, 10.1, 2.9' (M. Paradowski, 0.15-m Newtonian + CCD; 0.1° tail in p.a. 92 deg);
    01.86, 10.4, 2.9' (M. Paradowski, 0.15-m Newtonian + CCD; 0.08° tail in p.a. 95 deg);
    01.56, 10.2, 1.3' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    01.53, 10.5, -- (T. Lartsev, Yuzhno-Sakhalinsk, Sakhalin, Russia, 0.505-m Camera lens + CCD);
    01.52, 10.4, 1.7' (C. Wyatt, 0.25-m Newtonian; 4' tail in p.a. 97 deg);
    01.03, 10.5, 1.7' (W. Kutschera, 0.13-m Newtonian; 0.11° tail);
apr 30.99, 10.7, 1.7' (W. Hasubick, 0.44-m Newtonian);
    30.95, 10.1, 1.7' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    30.95, 10.1, 1' (A. Amorim, 0.09-m Refractor);
    30.94, 9.7, 2.3' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain; 2.9' tail in p.a. 104 deg);
    30.93, 10.7, 2' (M. Filipek, 0.25-m Newtonian; 3' tail in p.a. 95 deg);
    30.92, 10.1, -- (J. Czyz, Erding / Germany, 0.152-m Maksutov);
    30.91, 10.8, 1.2' (C. Harder, Jeersdorf f, 0.531-m Newtonian; 3' tail in p.a. 100 deg);
    30.91, 10.5, 1.5' (M. Kwinta, Krzesławice, 0.4-m Newtonian; 6' tail in p.a. 105 deg);
    30.90, 10.6, 1.4' (G. Scheerle, 0.235-m Schmidt-Cassegrain);
    30.90, 10.6, 3.9' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.11° tail in p.a. 95 deg);
    30.88, 10.1, 1.5' (P. Guzik, 25x100 Binoculars);
    30.88, 10.8, 1.2' (D. Heggie, Edinburgh, UK, 0.05-m Refractor + CCD; 2.1' tail in p.a. 99 deg);
    30.88, 12.1, -- (T. Csorgei, Blahová, 0.28-m Schmidt-Cassegrain + CCD);
    30.88, 9.9, 3.6' (M. Paradowski, 0.15-m Newtonian + CCD; 0.09° tail in p.a. 96 deg);
    30.87, 9.8, 3.6' (M. Paradowski, 0.15-m Newtonian + CCD; 0.09° tail in p.a. 96 deg);
    30.86, 10.2, 1.5' (E. Banach, 0.25-m Newtonian; 3' tail in p.a. 95 deg);
    30.86, 9.9, 3.6' (M. Paradowski, 0.15-m Newtonian + CCD; 0.05° tail in p.a. 94 deg);
    30.83, 10.3, 0.96' (S. Shurpakov, 0.41-m Newtonian + CCD; 6' tail in p.a. 94 deg);
    30.56, 10.2, 1.5' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    30.44, 10.2, 2' (M. Mattiazzo, Swan Hill, Victoria, 25x100 Binoculars);
    30.43, 10.7, 1.5' (M. Mattiazzo, Swan Hill, Victoria, 0.28-m Schmidt reflector + CCD; 4' tail in p.a. 95 deg);
    30.15, 10.2, 2' (C. Hergenrother, Tanque Verde, Arizona, 30x125.0 Binoculars);
    30.09, 10.0, 2' (A. Balashov, Nizhny Novgorod, 0.042-m Camera lens + CCD; 3' tail);
    30.01, 10.6, 3.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.1° tail in p.a. 95 deg);
    29.97, 10.0, 2.9' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    29.94, 10.4, 1.3' (M. Kwinta, 0.3-m Newtonian; 6' tail in p.a. 100 deg);
    29.94, 10.4, 1.5' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD; 3.3' tail in p.a. 96 deg);
    29.93, 10.1, 1.5' (P. Guzik, 25x100 Binoculars);
    29.93, 10.6, 2.4' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.1° tail in p.a. 96 deg);
    29.92, 10.8, 1' (U. Pilz, 0.32-m Newtonian; 0.05° tail in p.a. 100 deg);
    29.91, 10.4, 3.7' (M. Paradowski, 0.075-m Refractor + CCD; 0.05° tail in p.a. 94 deg);
    29.90, 10.9, 1.9' (P. Carson, PGC Observatory Z10, Fregenal de la sierra, Spain, 0.315-m Cassegrain reflector + CCD);
    29.90, 10.5, 3.7' (M. Paradowski, 0.075-m Refractor + CCD; 0.05° tail in p.a. 94 deg);
    29.89, 10.2, 1' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    29.89, 10.3, 3.7' (M. Paradowski, 0.075-m Refractor + CCD; 0.05° tail in p.a. 94 deg);
    29.89, 10.2, 1.1' (J. Powichrowski, Knyszyn, 0.35-m Newtonian; 0.02° tail in p.a. 100 deg);
    29.88, 10.0, 1.5' (J. Powichrowski, Knyszyn, 0.35-m Newtonian);
    29.53, 11.1, 1.6' (A. Pearce, 0.05-m Refractor + CCD; 2.6' tail in p.a. 100 deg);
    29.51, 11.1, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 4' tail in p.a. 95 deg);
    29.51, 10.3, 1.5' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    29.42, 10.7, 1' (C. Wyatt, 0.25-m Newtonian; 3' tail in p.a. 96 deg);
    29.09, 10.9, 1.32' (N. James, 0.28-m Schmidt-Cassegrain + CCD);
    29.01, 9.4, 3.5' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain);
    28.96, 10.7, 1.5' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 6.5' tail in p.a. 95 deg);
    28.96, 10.2, 1' (G. van Buitenen, Dordrecht, NL (G06), 0.304-m Ritchey-Chretien; 2.5' tail in p.a. 95 deg);
    28.96, 10.7, 1.3' (M. Phillips, ASERO Trevinca Skies, Spain, 0.3-m Newtonian + CCD; 3.9' tail in p.a. 92 deg);
    28.95, 10.8, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD; 5' tail in p.a. 95 deg);
    28.95, 10.4, 1.88' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD; 3.8' tail in p.a. 94 deg);
    28.91, 11.8, 1.4' (E. Bryssinck, 0.4-m Newtonian + CCD);
    28.89, 10.6, 1.2' (D. Heggie, Aldclune, Perthshire, UK, 0.05-m Refractor + CCD; 2' tail in p.a. 95 deg);
    28.88, 10.6, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 5.5' tail in p.a. 92 deg);
    28.88, 10.2, 1.6' (J. Powichrowski, Knyszyn, 0.35-m Newtonian);
    28.84, 10.3, 1.5' (P. Guzik, 25x100 Binoculars);
    28.60, 10.1, 1.2' (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD; 10' tail in p.a. 90 deg);
    28.50, 11.1, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 3.2' tail in p.a. 92 deg);
    28.42, 10.5, 1.6' (C. Wyatt, 0.25-m Newtonian; 3.2' tail in p.a. 97 deg);
    28.42, 10.7, 1.5' (M. Mattiazzo, Swan Hill, Victoria, 0.28-m Schmidt reflector + CCD);
    28.12, 10.0, 1' (W. Souza, 20x80 Binoculars);
    28.02, 10.7, 2.6' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.07° tail in p.a. 94 deg);
    27.95, 10.5, 1' (B. Granslo, Hakadal, Norway, 0.08-m Refractor);
    27.95, 10.6, 2.6' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.1° tail in p.a. 97 deg);
    27.93, 10.0, 1.5' (M. Biely, Czech Republic, Brno, 20x80 Binoculars);
    27.92, 10.3, 1.2' (A. Novichonok, 0.2-m Newtonian; 2' tail in p.a. 100 deg);
    27.91, 10.7, 1.5' (D. Heggie, Aldclune, Perthshire, UK, 0.05-m Refractor + CCD; 2.8' tail in p.a. 96 deg);
    27.91, 10.4, 1.2' (M. Kwinta, 0.3-m Newtonian; 7' tail in p.a. 103 deg);
    27.89, 10.3, 1.2' (P. Guzik, 0.326-m Newtonian; 6' tail in p.a. 100 deg);
    27.59, 10.6, -- (J. Xiong, Daocheng, China(remote,O40), 0.203-m Newtonian + CCD);
    27.52, 11.0, 1.8' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.1' tail in p.a. 96 deg);
    26.93, 11.1, 0.67' (S. Shurpakov, 0.41-m Newtonian; 3.8' tail in p.a. 94 deg);
    26.89, 10.4, 1.2' (E. Banach, 0.25-m Newtonian);
    26.89, 10.4, 1.6' (C. Harder, Jeersdorf f, 0.298-m Newtonian; 2' tail in p.a. 100 deg);
    26.88, 10.7, 1.3' (D. Heggie, Edinburgh, UK, 0.05-m Refractor + CCD; 2.4' tail in p.a. 93 deg);
    26.88, 10.6, 1' (M. Kwinta, 0.3-m Newtonian);
    26.82, 10.2, 1.6' (P. Guzik, 25x100 Binoculars);
    26.50, 10.1, 1.5' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    26.50, 10.3, 1.5' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    26.39, 11.0, 0.8' (C. Wyatt, 0.25-m Newtonian; 1.6' tail in p.a. 87 deg);
    26.15, 10.3, 2' (C. Hergenrother, 30x125.0 Binoculars);
    25.87, 10.3, 1.2' (P. Guzik, 25x100 Binoculars);
    25.50, 10.5, 1.5' (Y. Yamaguchi, 0.13-m Hyperboloid astro-camera + CCD);
    24.88, 10.6, 3.7' (P. Dekelver, 0.3-m Newtonian + CCD; 4.4' tail in p.a. 88 deg);
    24.87, 11.0, 0.8' (D. Heggie, Edinburgh, UK, 0.05-m Refractor + CCD; 1.6' tail in p.a. 100 deg);
    23.93, 10.9, 1.4' (D. Heggie, ASERO, Trevinca, Spain, 0.303-m Newtonian + CCD; 2.7' tail in p.a. 92 deg);
    22.94, 10.7, 2.1' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.06° tail in p.a. 93 deg);
    21.96, 10.1, 1.5' (N. Quinn, 0.28-m Schmidt-Cassegrain + CCD; 2' tail in p.a. 93 deg);
    21.86, 10.6, 2.6' (P. Dekelver, 0.3-m Newtonian + CCD; 4' tail in p.a. 90 deg);
    21.70, 10.8, 1.6' (A. Pearce, 0.05-m Refractor + CCD; 1.4' tail in p.a. 101 deg);
    20.94, 10.8, 1.13' (N. James, 0.28-m Schmidt-Cassegrain + CCD);
    20.91, 11.6, 0.77' (S. Shurpakov, 0.41-m Newtonian; 1.9' tail in p.a. 89 deg);
    20.70, 10.8, 1.6' (A. Pearce, 0.05-m Refractor + CCD; 1.7' tail in p.a. 93 deg);
    20.56, 10.4, 1' (J. Pile, San Rafael, Bulacan, Philippines, 0.114-m Newtonian);
    20.52, 11.1, 1.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 1.9' tail in p.a. 90 deg);
    19.94, 10.7, 1.32' (N. James, 0.28-m Schmidt-Cassegrain + CCD);
    19.62, 11.0, 1.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD; 2.4' tail in p.a. 85 deg);
    19.25, 10.6, 2' (J. de Souza Aguiar, 0.3-m Newtonian);
    18.84, 10.4, 1.8' (H. Kiiskinen, 0.4-m Ritchey-Chretien + CCD; 4.1' tail in p.a. 86 deg);

C/2023 C2 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 17.49, 15.0, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    16.58, 14.8, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    15.50, 14.5, 0.9' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    14.64, 15.0, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    07.52, 14.8, 0.3' (C. Wyatt, 0.4-m Newtonian);
    07.51, 14.8, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    06.64, 13.9, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    04.54, 15.0, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    03.04, 14.5, 1.4' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 1.5' tail in p.a. 287 deg);
apr 29.53, 14.9, 0.7' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    28.52, 15.2, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    27.54, 15.1, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    26.64, 15.6, 0.6' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    20.54, 14.9, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.88, 15.3, 0.5' (A. Pearce, 0.35-m Schmidt-Cassegrain + CCD);
    19.10, 14.9, 1.3' (T. Lehmann, Hakos (remote), 0.106-m Refractor + CCD; 1.7' tail in p.a. 270 deg);

C/2023 H5 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 13.98, 17.5, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);
    11.96, 17.5, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
apr 30.93, 17.8, 0.17' (S. Shurpakov, 0.41-m Newtonian + CCD);
    28.87, 17.7, -- (G. van Buitenen, Dordrecht, NL (G06), 0.203-m Ritchey-Chretien + CCD);
    26.90, 17.1, 0.19' (S. Shurpakov, 0.41-m Newtonian);

C/2023 S3 (Lemmon)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 11.04, 18.8, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    06.02, 18.4, 0.38' (K. Hills, 0.5-m Newtonian + CCD);
    04.94, 18.3, 0.38' (S. Shurpakov, 0.41-m Newtonian + CCD; 2' tail in p.a. 155 deg);
    02.01, 17.7, 0.4' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2024 C4 (ATLAS)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 16.88, 16.5, 0.8' (G. Pappa, Piemonte,Italy (remote control), 0.11-m Refractor + CCD);
    14.02, 16.6, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    12.93, 17.9, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
    12.02, 15.8, 0.9' (P. Dekelver, 0.3-m Newtonian + CCD);
    12.00, 15.3, 2.5' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD);
    11.02, 17.0, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    10.97, 16.3, 1.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD; 0.08° tail in p.a. 199 deg);
    10.00, 16.6, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);
    09.03, 16.6, 0.5' (P. Dekelver, 0.3-m Newtonian + CCD);
    08.95, 17.4, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD; 2.2' tail in p.a. 208 deg);
    04.97, 17.8, 0.34' (S. Shurpakov, 0.41-m Newtonian + CCD);
    04.03, 16.2, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
    02.96, 17.6, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD);
    02.06, 16.4, 1' (S. Fritsche, Koeditz, 0.1-m Refractor + CCD; 0.7' tail in p.a. 211 deg);
    02.05, 16.3, 0.6' (P. Dekelver, 0.3-m Newtonian + CCD);
apr 30.99, 17.7, 0.29' (S. Shurpakov, 0.41-m Newtonian + CCD; 1' tail in p.a. 219 deg);
    30.96, 16.1, 0.6' (M. Paradowski, 0.15-m Newtonian + CCD);
    29.05, 16.9, 0.7' (P. Dekelver, 0.3-m Newtonian + CCD);

C/2024 E1 (Wierzchos)
Total-magnitude and coma-diameter estimates (visual unless otherwise noted):
2024
may 11.99, 19.5, 0.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);
    11.01, 19.9, 0.3' (T. Lehmann, Weimar, 0.279-m Newtonian + CCD);