Recent Comet Brightness Estimates

2P/Encke
Total-magnitude and coma-diameter estimates:
2020 Jul. 04.44, 7.4, 1' (A. Pearce, Nedlands, W. Australia, 0.2-m Newtonian reflector)
2020 Jul. 03.43, 7.3, 1' (A. Pearce, City Beach, W. Australia, 0.2-m Newtonian reflector)
2020 Jul. 01.89, 7.5, 1' (A. Amorim, 0.09-m refractor)
2020 Jun. 30.34, 7.3, 0.5' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 29.33, 7.5, 0.8' (C. Wyatt, 0.25-m Newtonian reflector)

29P/Schwassmann-Wachmann
Total-magnitude and coma-diameter estimates:
2020 Jul. 02.77, [14.0, -- (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 21.78, [14.4, -- (C. Wyatt, 0.25-m Newtonian reflector)

58P/Jackson-Neujmin
Total-magnitude and coma-diameter estimates:
2020 Jul. 02.78, 11.9, 2.2' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 22.74, [11.0, 2' (S. Rae, Karamu, Waipa, New Zealand, 0.3-m Newtonian reflector)
2020 Jun. 21.83, 11.1, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 21.77, 10.9, 2.6' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 20.83, 11.2, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 18.83, 11.3, 3' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 13.83, 11.1, 2' (P. Camilleri, 0.406-m Newtonian reflector)

88P/Howell
Total-magnitude and coma-diameter estimates:
2020 Jun. 25.91, 11.1, 9.5' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)
2020 Jun. 23.90, 11.0, 3' (G. Scheerle, 0.235-m Schmidt-Cassegrain)
2020 Jun. 22.34, 11.8, 2' (S. Rae, Karamu, Waipa, New Zealand, 0.203-m Newtonian reflector)
2020 Jun. 21.91, 11.3, 8.1' (S. Fritsche, Koeditz, 0.1-m refractor)
2020 Jun. 21.91, 11.4, 8.3' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)
2020 Jun. 21.45, 11.6, 3' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 20.98, 11.6, 2' (M. Goiato, 0.22-m Newtonian reflector)
2020 Jun. 20.94, 10.7, 4' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain)
2020 Jun. 20.90, 12.0, 2' (M. Deconinck, Aquarellia Observatory, 0.25-m Cassegrain reflector)
2020 Jun. 20.45, 11.7, 2.6' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 19.47, 11.8, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 18.47, 11.8, 3' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 18.17, 10.8, 14' (T. Lehmann, Mayhill (remote), 0.106-m refractor; 2.0' tail in p.a. 115)
2020 Jun. 17.97, 13.4, 2' (M. Masek, 0.25-m Schmidt-Cassegrain; 1.6' tail in p.a. 115)
2020 Jun. 17.97, 11.8, 5' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 17.35, 11.8, 4' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 16.37, 11.7, 3' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 15.45, 11.8, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 14.44, 11.8, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 13.46, 11.8, 3' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 12.92, 11.2, 3.5' (G. Scheerle, 0.235-m Schmidt-Cassegrain)
2020 Jun. 12.91, 11.5, 9.4' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.9' tail in p.a. 111)
2020 Jun. 12.90, 11.4, 9.9' (S. Fritsche, Koeditz, 0.1-m refractor; 0.11-deg tail in p.a. 113)
2020 Jun. 12.88, 11.5, 4.5' (M. Paradowski, Lublin, Poland, 0.054-m reflector)
2020 Jun. 12.48, 11.9, 2.5' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 11.35, 11.9, 3' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 10.40, 11.9, 3' (M. Mattiazzo, Swan Hill, Victoria, Australia, 0.2-m Newtonian reflector)
2020 Jun. 09.48, 12.2, 3' (P. Camilleri, 0.406-m Newtonian reflector)

115P/Maury
Total-magnitude and coma-diameter estimates:
2020 Jun. 24.99, 15.5, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 24.99, 15.9, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain)

210P/Christensen
Total-magnitude and coma-diameter estimates:
2020 Jun. 23.92, 15.5, 1' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 23.92, 15.8, 1' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 17.93, 15.5, 1' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 17.92, 15.1, 1' (M. Masek, 0.25-m Schmidt-Cassegrain)

246P/NEAT
Total-magnitude and coma-diameter estimates:
2020 Jun. 22.91, 15.3, 0.9' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 1.6' tail in p.a. 300)
2020 Jun. 21.47, 14.0, 0.8' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 20.93, 14.9, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 20.93, 15.4, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 20.44, 14.0, 1' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 19.46, 14.2, 1' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 18.46, 14.2, 0.8' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 15.44, 14.1, 0.7' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 14.45, 14.0, 1' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 09.47, 13.8, 1' (P. Camilleri, 0.406-m Newtonian reflector)

289P/Blanpain
Total-magnitude and coma-diameter estimates:
2020 Jun. 20.89, [13.6, -- (M. Deconinck, Aquarellia Observatory, 0.25-m Cassegrain reflector)

C/2010 U3 (Boattini)
Total-magnitude and coma-diameter estimates:
2020 Jun. 24.94, 17.4, 0.4' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 24.94, 17.4, 0.4' (M. Masek, 0.25-m Schmidt-Cassegrain)

C/2017 K2 (PANSTARRS)
Total-magnitude and coma-diameter estimates:
2020 Jun. 25.97, 15.4, 1.3' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)
2020 Jun. 24.07, 15.1, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 24.07, 15.4, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 23.99, 15.4, 2.2' (S. Fritsche, Koeditz, 0.1-m refractor)
2020 Jun. 21.99, 15.3, 1.1' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)
2020 Jun. 18.10, 15.1, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 18.10, 15.4, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 13.00, 15.3, 1.3' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)
2020 Jun. 12.99, 15.4, 1.8' (S. Fritsche, Koeditz, 0.1-m refractor; 0.8' tail in p.a. 359)

C/2017 T2 (PANSTARRS)
Total-magnitude and coma-diameter estimates:
2020 Jun. 30.35, 9.7, 3.1' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 28.98, 9.1, 3.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 26.97, 9.7, 2.6' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 26.37, 9.4, 4.3' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 25.94, 9.3, 15' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.7-deg tail in p.a. 321)
2020 Jun. 24.98, 9.3, 6' (A. Scholten, Eerbeek, 0.2-m Newtonian reflector)
2020 Jun. 24.97, 9.6, 2.9' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 24.02, 10.2, 7' (M. Masek, 0.25-m Schmidt-Cassegrain; 15.8' tail in p.a. 321)
2020 Jun. 24.02, 9.7, 8' (M. Masek, 0.25-m Schmidt-Cassegrain; 15.1' tail in p.a. 321)
2020 Jun. 23.97, 9.1, 3.2' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 23.94, 9.0, 3.5' (A. Kammerer, Teufelsmuehle (Black Forest), Germany, 0.203-m Schmidt-Cassegrain)
2020 Jun. 23.93, 9.2, 3.5' (M. Kwinta, Krakow, 0.19-m Newtonian reflector)
2020 Jun. 23.93, 9.0, 4' (G. Scheerle, 9x63 binoculars)
2020 Jun. 23.92, 9.1, 6' (M. Meyer, 0.12-m refractor)
2020 Jun. 23.92, 9.0, 7' (G. Scheerle, 0.235-m Schmidt-Cassegrain)
2020 Jun. 23.92, 9.3, 21' (S. Fritsche, Koeditz, 0.1-m refractor; 0.53-deg tail in p.a. 321)
2020 Jun. 22.98, 9.4, 3.7' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 22.98, 9.3, 5' (A. Scholten, Eerbeek, 0.2-m Newtonian reflector)
2020 Jun. 22.94, 9.3, 15' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.63-deg tail in p.a. 319)
2020 Jun. 22.92, 9.1, 6.5' (M. Meyer, 0.12-m refractor)
2020 Jun. 22.89, 9.0, 4.4' (M. Biely, Czech Republic, Brno, 20x80 binoculars)
2020 Jun. 22.89, 9.9, 3' (V. Díaz, La Romana, Alicante, España, 0.2-m Schmidt-Cassegrain)
2020 Jun. 21.99, 9.1, 22' (S. Fritsche, Koeditz, 0.1-m refractor; 0.57-deg tail in p.a. 316)
2020 Jun. 21.98, 8.7, 3.5' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 21.94, 9.3, 14' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.52-deg tail in p.a. 320)
2020 Jun. 21.93, 9.3, 4' (M. Goiato, 20x100 binoculars)
2020 Jun. 21.43, 9.5, 3' (P. Camilleri, 0.08-m refractor)
2020 Jun. 21.01, 9.1, 5' (A. Scholten, Eerbeek, 0.2-m Newtonian reflector)
2020 Jun. 21.00, 9.1, 5' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain)
2020 Jun. 20.98, 9.7, 2.7' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 20.94, 9.3, 3' (M. Goiato, 0.22-m Newtonian reflector)
2020 Jun. 20.93, 9.2, 4' (M. Goiato, 20x100 binoculars)
2020 Jun. 20.91, 9.2, 5' (G. Scheerle, 9x63 binoculars)
2020 Jun. 20.88, 9.8, 2' (M. Deconinck, Aquarellia Observatory, 0.25-m Cassegrain reflector; 3.5' tail in p.a. 15)
2020 Jun. 20.43, 9.4, 4' (P. Camilleri, 0.08-m refractor)
2020 Jun. 20.09, > 9.5, 5' (G. Drayer, Millis, Massachusetts, 0.15-m Schmidt-Cassegrain)
2020 Jun. 20.01, 9.4, 3.4' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 19.99, 8.9, 5' (A. Scholten, Eerbeek, 0.2-m Newtonian reflector)
2020 Jun. 19.98, 9.6, 11.3' (P. Dekelver, 0.1-m refractor; 0.6-deg tail in p.a. 313)
2020 Jun. 19.93, 9.0, 5' (M. Kwinta, Bukowiec (Bieszczady), 10x50 binoculars)
2020 Jun. 19.91, 9.9, 5' (V. Díaz, La Romana, Alicante, España, 0.127-m Newtonian reflector)
2020 Jun. 19.45, 9.2, 4' (P. Camilleri, 0.08-m refractor)
2020 Jun. 19.35, 9.4, 4' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 19.16, 8.8, 4' (C. Hergenrother, 30x125 binoculars)
2020 Jun. 19.02, 9.4, 3' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 18.91, 8.9, 5' (M. Kwinta, Bukowiec (Bieszczady), 10x50 binoculars)
2020 Jun. 18.45, 9.0, 4' (P. Camilleri, 0.08-m refractor)
2020 Jun. 18.19, 9.1, 15' (T. Lehmann, Mayhill (remote), 0.106-m refractor; 0.66-deg tail in p.a. 316)
2020 Jun. 18.02, 9.9, 6.5' (M. Masek, 0.25-m Schmidt-Cassegrain; 14.6' tail in p.a. 315)
2020 Jun. 18.02, 9.4, 8' (M. Masek, 0.25-m Schmidt-Cassegrain; 15.7' tail in p.a. 315)
2020 Jun. 17.34, 9.7, 5.5' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 16.43, 9.0, 4' (P. Camilleri, 20x80 binoculars)
2020 Jun. 16.34, 9.8, 3' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 16.03, 9.1, 3' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 15.42, 8.9, 4' (P. Camilleri, 20x80 binoculars)
2020 Jun. 15.34, 9.8, 2' (C. Wyatt, 0.25-m Newtonian reflector)
2020 Jun. 14.99, 8.6, 3' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 14.87, 9.1, 1' (G. Pappa, Mascalucia, 0.1-m Maksutov-Cassegrain)
2020 Jun. 14.43, 9.1, 3' (P. Camilleri, 0.08-m refractor)
2020 Jun. 13.97, 9.6, 3.7' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 13.92, 8.6, 5' (M. Filipek, 25x100 binoculars)
2020 Jun. 13.92, 9.1, 3' (M. Goiato, 0.22-m Newtonian reflector)
2020 Jun. 13.85, 9.2, -- (G. Pappa, Mascalucia , 0.3-m reflector)
2020 Jun. 13.41, 9.0, 3' (P. Camilleri, 0.08-m refractor)
2020 Jun. 13.05, 9.0, 3.4' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)
2020 Jun. 12.97, 9.1, 16' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.7-deg tail in p.a. 308)
2020 Jun. 12.96, 9.3, 4' (C. Harder, Jeersdorf, h, 0.3-m Newtonian reflector)
2020 Jun. 12.94, 9.2, 4' (G. Scheerle, 9x63 binoculars)
2020 Jun. 12.93, 9.0, 6.5' (G. Scheerle, 0.235-m Schmidt-Cassegrain)
2020 Jun. 12.90, 8.9, 3.5' (M. Filipek, 0.25-m Newtonian reflector)
2020 Jun. 12.90, 8.9, 4' (C. Labordena, La Serra de Engarceran, 0.15-m Newtonian reflector)
2020 Jun. 12.46, 9.0, 3' (P. Camilleri, 0.08-m refractor)
2020 Jun. 11.94, 8.8, 7' (G. Scheerle, 9x63 binoculars)
2020 Jun. 10.84, 9.0, 3' (G. Pappa, Mascalucia (CT) , 0.3-m reflector)
2020 Jun. 09.45, 9.0, 3' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 08.42, 9.0, 5' (P. Camilleri, 20x80 binoculars)
2020 Jun. 07.41, 9.0, 4' (P. Camilleri, Katherine NT Australia, 0.001-m refractor)
2020 Jun. 05.97, 9.2, 4.5' (M. Collins, Everton, 0.254-m Schmidt-Cassegrain)

C/2018 N2 (ASASSN)
Total-magnitude and coma-diameter estimates:
2020 Jun. 24.03, 13.7, 3.4' (S. Fritsche, Koeditz, 0.1-m refractor; 0.06-deg tail in p.a. 212)
2020 Jun. 13.01, 13.6, 2.3' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.11-deg tail in p.a. 196)

C/2018 U1 (Lemmon)
Total-magnitude and coma-diameter estimates:
2020 Jun. 23.96, 16.7, 0.7' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.7' tail in p.a. 40)

C/2019 F1 (ATLAS-Africano)
Total-magnitude and coma-diameter estimates:
2020 Jun. 19.92, 15.7, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain)
2020 Jun. 19.92, 16.1, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain; 0.8' tail in p.a. 19)
2020 Jun. 07.46, 15.8, 0.2' (A. Pearce, Nedlands, W. Austraiia, 0.43-m Newtonian reflector)

C/2019 K7 (SMITH)
Total-magnitude and coma-diameter estimates:
2020 Jun. 25.11, 15.7, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain; 1.0' tail in p.a. 157)
2020 Jun. 25.11, 16.0, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain; 1.0' tail in p.a. 159)
2020 Jun. 23.98, 15.6, 1' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 1.5' tail in p.a. 211)
2020 Jun. 22.03, 15.7, 1.1' (S. Fritsche, Koeditz, 0.1-m refractor; 0.8' tail in p.a. 158)
2020 Jun. 18.18, 15.9, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain; 0.8' tail in p.a. 168)
2020 Jun. 18.18, 16.3, 0.5' (M. Masek, 0.25-m Schmidt-Cassegrain; 0.6' tail in p.a. 172)

C/2019 L3 (ATLAS)
Total-magnitude and coma-diameter estimates:
2020 Jun. 22.99, 16.2, 0.6' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)

C/2019 N1 (ATLAS)
Total-magnitude and coma-diameter estimates:
2020 Jun. 25.96, 14.0, 2.7' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 2.1' tail in p.a. 40)
2020 Jun. 23.97, 14.6, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain; 0.6' tail in p.a. 60)
2020 Jun. 23.97, 14.9, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain; 0.6' tail in p.a. 57)
2020 Jun. 23.95, 13.6, 4.6' (S. Fritsche, Koeditz, 0.1-m refractor; 1.8' tail in p.a. 29)
2020 Jun. 23.90, 14.6, 0.8' (J. Hadač, 0.13-m Newtonian reflector; 0.8' tail in p.a. 51)
2020 Jun. 22.96, 14.1, 2.2' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 1.6' tail in p.a. 37)
2020 Jun. 21.97, 14.6, 1.1' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.6' tail in p.a. 39)
2020 Jun. 18.93, 14.8, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain; 0.7' tail in p.a. 65)
2020 Jun. 18.92, 14.6, 0.8' (M. Masek, 0.25-m Schmidt-Cassegrain; 0.8' tail in p.a. 53)
2020 Jun. 14.89, 13.5, 1' (G. Pappa, Mascalucia, 0.1-m Maksutov-Cassegrain)
2020 Jun. 13.03, 14.5, 1.6' (S. Fritsche, Koeditz, 0.1-m refractor; 0.8' tail in p.a. 42)
2020 Jun. 12.99, 14.5, 1.2' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.8' tail in p.a. 48)
2020 Jun. 10.83, 14.5, 0.5' (G. Pappa, Mascalucia (CT) , 0.3-m reflector)

C/2019 U6
Total-magnitude and coma-diameter estimates:
2020 Jul. 03.37, 7.6, 9' (C. Wyatt, 15x70 binoculars)
2020 Jul. 01.92, 7.0, 6' (W. Souza, 15x70 binoculars)
2020 Jul. 01.91, 7.1, 5' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jul. 01.90, 6.9, 8' (A. Amorim, 10x50 binoculars)
2020 Jun. 30.96, 8.6, 4' (M. Mojica, 0.12-m refractor)
2020 Jun. 30.93, 6.7, 6' (A. Amorim, 10x50 binoculars)
2020 Jun. 30.35, 7.1, 8.5' (C. Wyatt, 15x70 binoculars)
2020 Jun. 30.16, 6.7, 4' (C. Hergenrother, 10x125 binoculars)
2020 Jun. 29.96, 7.7, 4' (M. Mojica, 0.12-m refractor)
2020 Jun. 29.91, 7.0, -- (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 29.36, 7.1, 9' (C. Wyatt, 15x70 binoculars)
2020 Jun. 28.97, 7.6, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 28.96, 7.3, 5' (M. Mojica, 0.12-m refractor)
2020 Jun. 28.92, 6.8, 6' (M. Goiato, 20x100 binoculars; 30.0' tail in p.a. 120)
2020 Jun. 28.91, 6.9, 6' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 28.16, 6.8, 4' (C. Hergenrother, 10x125 binoculars)
2020 Jun. 27.97, 7.5, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 27.96, 7.5, 3' (M. Mojica, 0.12-m refractor)
2020 Jun. 26.35, 7.0, 8' (C. Wyatt, 15x70 binoculars)
2020 Jun. 26.16, 6.7, 4' (C. Hergenrother, 10x50 binoculars)
2020 Jun. 26.01, 7.1, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x70 binoculars)
2020 Jun. 25.98, 7.7, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 24.96, 7.6, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 24.94, 6.5, 8' (M. Goiato, 7x50 binoculars)
2020 Jun. 24.92, 6.8, 8' (W. Souza, 15x70 binoculars)
2020 Jun. 24.90, 6.8, -- (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 24.90, 6.9, -- (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 24.89, 6.5, 9' (A. Amorim, 10x50 binoculars)
2020 Jun. 23.99, 7.1, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 23.99, 7.1, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 0.09-m refractor)
2020 Jun. 23.96, 7.5, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 23.90, 6.5, 9' (A. Amorim, 10x50 binoculars)
2020 Jun. 23.38, 6.8, 7' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 22.99, 6.9, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 22.98, 6.8, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 0.09-m refractor)
2020 Jun. 22.97, 7.6, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 22.96, 6.7, 4' (M. Mojica, 0.12-m refractor)
2020 Jun. 22.90, 6.8, 8' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 22.89, 6.7, 6' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 22.38, 6.7, 7' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars; 1.0-deg tail in p.a. 125)
2020 Jun. 22.33, 6.5, 9' (S. Rae, Karamu, Waipa, New Zealand, 7x50 binoculars)
2020 Jun. 22.01, 6.4, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 0.09-m refractor)
2020 Jun. 21.99, 6.4, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 21.97, 7.6, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 21.96, 5.9, 4' (M. Mojica, 0.12-m refractor)
2020 Jun. 21.95, 6.4, 7' (M. Goiato, 20x100 binoculars; 30.0' tail in p.a. 125)
2020 Jun. 21.94, 6.3, 9' (M. Goiato, 7x50 binoculars)
2020 Jun. 21.92, 6.4, 8' (A. Amorim, 10x50 binoculars)
2020 Jun. 21.91, 6.6, 9' (W. Souza, 15x70 binoculars)
2020 Jun. 21.90, 6.5, 6' (A. Martini Jr, 10x50 binoculars)
2020 Jun. 21.90, 6.6, 9' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 21.89, 6.5, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 21.42, 6.6, 5' (P. Camilleri, 20x80 binoculars)
2020 Jun. 21.4, 6.8, 6' (A. Pearce, Nedlands, W. Australia, 0.1-m Newtonian reflector)
2020 Jun. 21.35, 6.7, 12' (C. Wyatt, 15x70 binoculars; 52.0' tail in p.a. 125)
2020 Jun. 21.35, 6.8, 24' (T. Lehmann, SSO (remote), 0.106-m refractor; 2.33-deg tail in p.a. 130)
2020 Jun. 21.02, 6.3, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 20.97, 7.3, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 20.96, 6.3, 7' (M. Goiato, 20x100 binoculars; 60.0' tail in p.a. 120)
2020 Jun. 20.96, 6.0, 8' (A. de Sousa, 0.07-m refractor)
2020 Jun. 20.96, 6.0, 7' (M. Mojica, 0.12-m refractor)
2020 Jun. 20.95, 6.2, 9' (M. Goiato, 7x50 binoculars)
2020 Jun. 20.91, 6.5, 9' (W. Souza, 15x70 binoculars)
2020 Jun. 20.90, 6.4, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 20.90, 6.5, 10' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 20.89, 6.4, 8' (A. Amorim, 10x50 binoculars)
2020 Jun. 20.42, 6.5, 6' (P. Camilleri, 20x80 binoculars)
2020 Jun. 20.38, 6.6, 7' (M. Mattiazzo, Swan Hill, Victoria, Australia, 8x40 binoculars)
2020 Jun. 19.98, 7.3, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 19.96, 6.7, 5' (M. Mojica, 0.12-m refractor)
2020 Jun. 19.93, 6.2, 9' (M. Goiato, 7x50 binoculars; 60.0' tail in p.a. 125)
2020 Jun. 19.91, 6.5, 8' (W. Souza, 10x50 binoculars)
2020 Jun. 19.90, 6.4, 6' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 19.90, 6.5, 6' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 19.90, 6.4, 6' (A. Amorim, 10x50 binoculars)
2020 Jun. 19.90, 6.3, 7' (D. Mello, 0.09-m refractor; 0.0-deg tail in p.a. 120)
2020 Jun. 19.43, 6.3, 7' (P. Camilleri, 20x80 binoculars)
2020 Jun. 19.36, 6.7, 9' (C. Wyatt, 15x70 binoculars; 27.0' tail in p.a. 130)
2020 Jun. 18.96, 5.8, 8' (A. de Sousa, 0.07-m refractor)
2020 Jun. 18.43, 6.2, 8' (P. Camilleri, 20x80 binoculars)
2020 Jun. 18.40, 6.6, 6' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 17.98, 5.8, 8' (A. de Sousa, 0.07-m refractor)
2020 Jun. 17.96, 6.1, 3' (M. Mojica, 0.12-m refractor)
2020 Jun. 17.90, 6.4, 6' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 17.89, 6.3, 6' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 17.36, 6.5, 8' (C. Wyatt, 15x70 binoculars; 26.0' tail in p.a. 137)
2020 Jun. 17.02, 6.3, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 16.97, 7.4, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 16.96, 5.8, 6' (M. Mojica, 0.12-m refractor)
2020 Jun. 16.91, 6.2, 7' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 16.91, 6.3, 6' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 16.43, 6.6, 6' (A. Pearce, Nedlands, W. Australia, 0.1-m Newtonian reflector)
2020 Jun. 16.42, 6.2, 6' (P. Camilleri, 20x80 binoculars)
2020 Jun. 16.35, 6.4, 8.5' (C. Wyatt, 15x70 binoculars; 22.0' tail in p.a. 136)
2020 Jun. 15.99, 6.2, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 15.97, 6.8, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 15.97, 5.9, 8' (A. de Sousa, 0.07-m refractor)
2020 Jun. 15.91, 6.4, 8' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 15.90, 6.3, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 15.43, 6.6, 5' (A. Pearce, Nedlands, W. Australia, 0.1-m Newtonian reflector)
2020 Jun. 15.41, 6.2, 6' (P. Camilleri, 20x80 binoculars)
2020 Jun. 14.99, 6.2, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 14.97, 6.6, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 14.92, 6.2, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 14.41, 6.2, 7' (P. Camilleri, 20x80 binoculars)
2020 Jun. 13.98, 5.8, 8' (A. de Sousa, 0.07-m refractor)
2020 Jun. 13.94, 6.2, 7' (M. Goiato, 20x100 binoculars; 30.0' tail in p.a. 130)
2020 Jun. 13.93, 6.0, 8' (M. Goiato, 7x50 binoculars)
2020 Jun. 13.91, 6.3, 8' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 13.90, 6.2, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 13.41, 6.3, 7' (P. Camilleri, 20x80 binoculars)
2020 Jun. 12.90, 6.3, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 12.90, 6.4, 7' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 12.43, 6.4, 8' (P. Camilleri, 20x80 binoculars)
2020 Jun. 11.99, 6.2, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 11.97, 7.3, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 11.96, 6.5, 8' (M. Mojica, 0.12-m refractor)
2020 Jun. 11.93, 6.3, 7' (M. Goiato, 20x100 binoculars; 30.0' tail in p.a. 135)
2020 Jun. 11.92, 6.1, 8' (M. Goiato, 7x50 binoculars)
2020 Jun. 11.38, 6.3, 8' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 11.35, 6.4, 8.5' (C. Wyatt, 15x70 binoculars)
2020 Jun. 10.99, 6.3, 2' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 09.99, 6.3, 1' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 09.96, 6.5, 2' (M. Mojica, 0.12-m refractor)
2020 Jun. 09.43, 6.8, 5' (A. Pearce, Nedlands, W. Australia, 0.1-m Newtonian reflector)
2020 Jun. 09.43, 6.6, 6' (P. Camilleri, 20x80 binoculars)
2020 Jun. 09.32, 6.2, 9' (S. Rae, Karamu, Waipa, New Zealand, 7x50 binoculars)
2020 Jun. 08.99, 6.3, 1' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 08.97, 7.0, -- (G. Morales, Cochabamba - Bolivia, 20x80 binoculars)
2020 Jun. 08.97, 6.2, 8' (A. de Sousa, 0.07-m refractor)
2020 Jun. 08.90, 6.5, 6' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 08.89, 6.4, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 08.89, 6.3, 5' (A. Amorim, 10x50 binoculars)
2020 Jun. 08.44, 6.8, 5.5' (A. Pearce, Nedlands, W. Australia, 0.1-m Newtonian reflector)
2020 Jun. 08.43, 6.6, 7' (P. Camilleri, 20x80 binoculars)
2020 Jun. 08.38, 6.5, 8' (M. Mattiazzo, Swan Hill, Victoria, Australia, 8x40 binoculars)
2020 Jun. 08.35, 6.7, 8' (C. Wyatt, 15x70 binoculars; 15.0' tail in p.a. 141)
2020 Jun. 07.99, 6.3, 1' (I. Grageda Mendez, Cochabamba - Bolivia, 15x90 binoculars)
2020 Jun. 07.93, 6.6, 7' (M. Goiato, 20x100 binoculars; 45.0' tail in p.a. 135)
2020 Jun. 07.92, 6.5, 8' (M. Goiato, 7x50 binoculars)
2020 Jun. 07.91, 6.2, 5' (W. Souza, 10x50 binoculars)
2020 Jun. 07.90, 6.3, 6' (A. Amorim, 10x50 binoculars)
2020 Jun. 07.90, 6.3, 8' (J. de Souza Aguiar, 25x100 binoculars)
2020 Jun. 07.89, 6.4, 8' (J. de Souza Aguiar, 11x80 binoculars)
2020 Jun. 07.43, 7.0, 4.5' (A. Pearce, Nedlands, W. Austraiia, 0.1-m Newtonian reflector)
2020 Jun. 07.42, 6.7, 6' (P. Camilleri, 20x80 binoculars)
2020 Jun. 06.89, 6.2, 5' (A. Amorim, 10x50 binoculars)
2020 Jun. 06.35, 6.9, 7' (C. Wyatt, 15x70 binoculars)
2020 Jun. 05.41, 6.7, 4' (P. Camilleri, 20x80 binoculars)
2020 Jun. 05.35, 6.8, 6' (C. Wyatt, 15x70 binoculars)
2020 Jun. 04.42, 6.7, 4' (P. Camilleri, 20x80 binoculars)
2020 Jun. 04.36, 6.6, 7' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 04.36, 6.8, 6.5' (C. Wyatt, 15x70 binoculars)

C/2019 Y1 (ATLAS)
Total-magnitude and coma-diameter estimates:
2020 Jun. 25.93, 12.8, 8.4' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.14-deg tail in p.a. 39)
2020 Jun. 22.92, 13.2, 5.1' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.07-deg tail in p.a. 39)
2020 Jun. 22.88, [10.7, 2' (M. Biely, Czech Republic, Brno, 20x80 binoculars)
2020 Jun. 21.95, 13.3, 4.7' (S. Fritsche, Koeditz, 0.1-m refractor; 0.1-deg tail in p.a. 40)
2020 Jun. 21.46, 13.6, 1' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 20.98, 11.5, 2' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain)
2020 Jun. 20.43, 13.5, 1' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 20.20, 12.6, 9.8' (T. Lehmann, Mayhill (remote), 0.106-m refractor; 0.24-deg tail in p.a. 36)
2020 Jun. 19.97, 15.5, 1.2' (M. Masek, 0.25-m Schmidt-Cassegrain; 1.5' tail in p.a. 44)
2020 Jun. 19.96, 15.5, 1.2' (M. Masek, 0.25-m Schmidt-Cassegrain; 1.4' tail in p.a. 39)
2020 Jun. 19.46, 13.5, 1' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 18.44, 13.6, 1' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 15.43, 13.6, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 14.42, 13.5, 3' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 13.86, 12.5, -- (G. Pappa, Mascalucia , 0.3-m reflector)
2020 Jun. 13.42, 13.6, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 12.95, 12.2, 10' (S. Fritsche, Koeditz, 0.1-m refractor; 0.17-deg tail in p.a. 33)
2020 Jun. 12.94, 12.3, 8.4' (T. Lehmann, Weimar, 0.279-m Newtonian reflector; 0.1-deg tail in p.a. 48)
2020 Jun. 12.47, 13.1, 3' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 10.84, 13.0, 0.5' (G. Pappa, Mascalucia (CT) , 0.3-m reflector)
2020 Jun. 09.46, 12.0, 2' (P. Camilleri, 0.406-m Newtonian reflector)
2020 Jun. 07.42, 12.0, 2' (P. Camilleri, 0.406-m Newtonian reflector)

C/2020 F3 (NEOWISE)
Total-magnitude and coma-diameter estimates:
2020 Jul. 04.13, 1.7, 5' (M. Deconinck, Verdon River France, 10x50 binoculars; 20.0' tail in p.a. 300)
2020 Jul. 04.12, 1.7, -- (M. Deconinck, Verdon River France, 40x126 binoculars; 15.0' tail in p.a. 300)
2020 Jul. 04.12, 1.7, -- (M. Deconinck, Verdon River France, 25x126 binoculars; 17.0' tail in p.a. 300)
2020 Jul. 04.10, 0.0, -- (A. Kammerer, Karlsruhe, Germany, 9x63 binoculars; 0.25-deg tail in p.a. 300)
2020 Jul. 04.07, 2.2, 0.5' (M. Drahus, Jerzmanowice (Wzgorze 502), Poland, 20x600 binoculars; 0.1-deg tail in p.a. 300)
2020 Jul. 03.49, 1.4, 1' (C. Hergenrother, 10x50 binoculars; 0.3-deg tail in p.a. 300)
2020 Jul. 03.16, 2.5, 0.3' (J. Gonzalez Suarez, 0.203-m Schmidt-Cassegrain; 0.1-deg tail in p.a. 290)
2020 Jul. 03.13, 1.5, -- (M. Deconinck, Verdon River France, 10x50 binoculars)
2020 Jul. 03.12, 1.5, 5' (M. Deconinck, Verdon River France, 40x126 binoculars; 15.0' tail in p.a. 300)
2020 Jul. 02.12, 1.5, 1' (G. Pappa, Trecastagni , 0.3-m reflector)
2020 Jul. 02.12, 1.0, 1' (G. Pappa, Trecastagni , 12x50 binoculars)
2020 Jul. 01.55, [ 2.0, -- (M. Drahus, Krakow (OAUJ), Poland, 0.35-m Maksutov-Cassegrain)
2020 Jul. 01.49, 1.0, 1' (C. Hergenrother, 30x125 binoculars)
2020 Jun. 27.75, 1.7, 22.4' (M. Paradowski, SOHO, LASCO C3, 0.008-m reflector; 1.5-deg tail in p.a. 220)
2020 Jun. 27.52, 1.8, 22.4' (M. Paradowski, SOHO, LASCO C3, 0.008-m reflector; 1.5-deg tail in p.a. 220)
2020 Jun. 27.09, 1.9, 22.4' (M. Paradowski, SOHO, LASCO C3, 0.008-m reflector; 1.5-deg tail in p.a. 220)
2020 Jun. 26.13, 2.1, 14.9' (M. Paradowski, SOHO, LASCO C3, 0.008-m reflector; 1.48-deg tail in p.a. 210)
2020 Jun. 25.50, 2.2, 14.9' (M. Paradowski, SOHO, LASCO C3, 0.008-m reflector; 1.4-deg tail in p.a. 205)
2020 Jun. 24.49, 2.3, 14.9' (M. Paradowski, SOHO, LASCO C3, 0.008-m reflector; 1.24-deg tail in p.a. 200)
2020 Jun. 23.96, 2.3, 14.9' (M. Paradowski, SOHO, LASCO C3, 0.008-m reflector)
2020 Jun. 23.00, 2.6, 14.9' (M. Paradowski, 0.008-m reflector)
2020 Jun. 10.35, 6.8, 4' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 08.35, 7.0, 5' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 07.88, 7.2, 2' (A. Amorim, 0.09-m refractor)
2020 Jun. 07.35, 7.3, 5' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 06.34, 7.6, 5' (C. Wyatt, 15x70 binoculars)
2020 Jun. 05.34, 7.5, 4' (C. Wyatt, 15x70 binoculars)
2020 Jun. 04.36, 7.6, 5' (M. Mattiazzo, Swan Hill, Victoria, Australia, 15x70 binoculars)
2020 Jun. 04.34, 7.5, 4.4' (C. Wyatt, 15x70 binoculars)

C/2020 F5 (MASTER)
Total-magnitude and coma-diameter estimates:
2020 Jun. 06.55, 16.0, 0.1' (A. Pearce, Nedlands, W. Austraiia, 0.5-m Newtonian reflector; 17.0" tail)

C/2020 H4 (Leonard)
Total-magnitude and coma-diameter estimates:
2020 Jun. 25.99, 15.3, 3' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)
2020 Jun. 22.02, 15.8, 1.6' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)

C/2020 J1 (SONEAR)
Total-magnitude and coma-diameter estimates:
2020 Jun. 15.74, 16.2, 0.11' (A. Pearce, Nedlands, W. Australia, 0.5-m Newtonian reflector; 20.0" tail in p.a. 219)

C/2020 K3 (Leonard)
Total-magnitude and coma-diameter estimates:
2020 Jun. 18.97, 16.1, 1' (R. Fichtl, Engelhardsberg, 0.4-m Newtonian reflector)

C/2020 K8 (Catalina-ATLAS)
Total-magnitude and coma-diameter estimates:
2020 Jun. 24.00, 17.2, 0.8' (T. Lehmann, Weimar, 0.279-m Newtonian reflector)
2020 Jun. 19.36, 17.1, 1' (T. Lehmann, Mayhill (remote), 0.51-m Newtonian reflector)
2020 Jun. 19.00, 17.6, 0.6' (R. Fichtl, Engelhardsberg, 0.4-m Newtonian reflector)