* * * * * 22P/Kopff * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2015 11 30.77 S 9.7 TK 20.3T 77 3 1/ GON Alto del Trichero - Soto y Amío, León (Altitude 8°. Zodiacal light. Mountain location, very clear sky.) 2015 11 7.95 S 10.0 TK 22.0L 60 3 2 GOI Araçatuba (Near a star with m1 = 11.2.) 2015 11 7.77 S 9.2 TK 20.3T 77 4 2/ GON Alto del Cellerón - Camposagrado, León (Altitude 10°. Astronomical twilight. Mountain location, very clear sky.) 2015 11 6.41 S 12.5 AQ 25.0L 83 2.2 1 WYA Walcha, NSW (Coma enhances slightly in Swan Band filter. Very diffuse and difficult due to zodiacal light interference and a slightly hazy background sky.) 2015 10 16.43 S 12.4 AQ 25.0L 83 1.3 2/ WYA Walcha, NSW (Observation difficult due to Moonlight, zodiacal light and low altitude = 16.8°. Coma diffuse with slightly more condensed centre visible in periods of good seeing. Slight cloud interference. Coma does not enhance in Swan Band filter.) 2015 10 14.94 S 9.5 TK 22.0L 60 4 2 GOI Araçatuba 2015 10 14.80 S 9.0 TK 20.3T 77 5 2 GON Alto del Castro, León (Altitude 10°. Astronomical twilight. Mountain location, very clear sky.) 2015 10 6.94 S 9.6 TK 22.0L 60 4 3 GOI Araçatuba (No enhancement with comet filter.) 2015 10 1.81 S 9.5 TK 20.3T 77 4 2/ GON Alto del Castro, León (Altitude 9°. End of astronomical twilight. Mountain location, very clear sky.) 2015 9 16.94 S 10.4 TK 22.0L 60 3 2 GOI Araçatuba 2015 9 11.38 M 11.8 AQ 40.6L 165 1.5 2 CAM Warners Bay, NSW 2015 8 18.38 M 11.9 AQ 40.6L 165 1.5 2 CAM Warners Bay, NSW 2015 8 17.40 M 11.9 AQ 40.6L 76 1.7 2 CAM Warners Bay, NSW 2015 8 13.39 M 12.1 AQ 40.6L 165 1.5 2 CAM Warners Bay, NSW 2015 8 10.38 S 12.2 AQ 25.0L 39 2.8 2/ WYA Walcha, NSW (Coma enhances slightly using Swan Band filter. Very diffuse.) 2015 8 10.37 M 12.1 AQ 40.6L 165 1 2 CAM Warners Bay, NSW 2015 8 8.38 M 12.0 AQ 40.6L 165 1 2 CAM Warners Bay, NSW 2015 8 7.94 S 11.7 AU 22.0L 160 2 3 GOI Araçatuba 2015 8 5.36 M 12.4 AQ 40.6L 165 0.7 2 CAM Warners Bay, NSW 2015 8 4.36 M 12.6 AQ 40.6L 165 0.7 2 CAM Warners Bay, NSW 2015 7 16.45 M 12.5 AQ 40.6L 76 1 2 CAM Warners Bay, NSW 2015 7 13.42 M 12.7 AQ 40.6L 165 1 2 CAM Warners Bay, NSW 2015 7 7.47 S 12.7 TA 25.0L 83 1.7 2/ WYA Walcha, NSW (Coma very diffuse, transparent outer coma, slightly brighter centre that weakly condensed. Does not enhance in Swan Band filter.) 2015 7 6.45 M 13.0 AQ 40.6L 165 1 2 CAM Warners Bay, NSW 2015 7 4.36 M 13.0 AQ 40.6L 165 1 1 CAM Warners Bay, NSW 2015 6 9.39 S 13.5 AQ 40.6L 165 0.8 2 CAM Warners Bay, NSW 2015 6 8.39 S 13.5 AQ 40.6L 165 0.7 3 CAM Warners Bay, NSW 2015 6 7.36 S 13.5 TA 25.0L 83 1.4 1/ WYA Walcha, NSW (Difficult, coma very diffuse, central condensation slightly brighter in good seeing. Galaxy M61 visible 28 away.) 2015 6 6.37 S 13.5 AQ 40.6L 165 0.8 3 CAM Warners Bay, NSW 2015 5 16.52 S 14.0 AQ 40.6L 165 0.6 2/ CAM Warners Bay, NSW 2015 5 10.45 S 14.4 AQ 25.0L 83 0.7 2/ WYA Walcha, NSW (Coma diffuse, slight brightening at centre.) 2015 5 8.39 S 14.3 AQ 25.0L 83 0.6 2/ WYA Walcha, NSW (Coma very small and diffuse.)
2009 11 8.83 S 11.7 TK 20.3T 100 3 1 GON Trascastro de Luna, León 2009 10 14.903 S 11.0 TK 15.5L 50 2.1 2/ DIJ Burlage 2009 10 11.82 S 11.2 TK 20.3T 77 3 2 GON Alto del Castro, León 2009 9 29.07 S 11.0 TK 20.3T 100 3 3 GON Alto del Castro, León 2009 9 22.93 S 11.1 TK 20.3T 77 3 3 GON Alto del Castro, León 2009 9 20.74 S 10.8 TJ 40.0L 75 2.0 3/ YOS Kita-karuizawa, Gunma (I observed it in late time, because it was overlapping a 10th mag star in the evening. Bright and easy to see even in the low sky. I could see this comet again since 1996 when Comet Hale-Bopp was bright near by this comet.) 2009 9 16.888 S 10.6 TK 8.0B 15 4 3 DIJ Burlage 2009 9 11.91 S 10.7 TK 20.3T 100 3 3 GON Aralla, León 2009 9 1.072 S 10.6 TK 8.0B 15 6 2/ DIJ Burlage 2009 9 1.043 S 10.8 AU 31.0J 72 3 3/ BOU Lauwersoog 2009 8 31.10 S 10.4 TK 20.3T 77 4 3/ GON Alto del Castro, León 2009 8 29.02 S 10.4 TK 20.3T 77 3 3 GON Alto del Castro, León 2009 8 26.95 S 11.3 TK 40.7L 58 2.5 4 0.1 260 BIV Valdrôme 2009 8 25.928 S 10.2 TK 8.0B 15 6 2 DIJ Burlage 2009 8 24.08 S 11.3 TK 40.7L 58 3.0 4 0.1 260 BIV Valdrôme 2009 8 23.02 S 11.2 TK 40.7L 58 2.5 4 0.1 255 BIV Valdrôme 2009 8 21.97 S 10.4 TK 20.3T 77 3 3 GON Alto del Castro, León 2009 8 21.07 S 10.9 TK 40.7L 58 2.5 3 0.1 250 BIV Valdrôme 2009 8 19.01 S 10.3 TK 20.3T 77 4 3 GON Alto del Castro, León 2009 8 17.97 S 11.4 TK 40.7L 58 2.0 4 BIV Valdrôme 2009 8 17.00 S 11.2 TK 40.7L 58 2.5 3 BIV Valdrôme 2009 8 15.99 S 11.2 TK 40.7L 58 2.0 4 BIV Valdrôme 2009 8 11.91 S 10.2 TK 20.3T 77 4 3 GON Alto del Castro, León 2009 7 25.08 S 10.4 TK 20.3T 77 4 3 GON Alto del Castro, León 2009 7 24.08 S 10.4 TK 20.3T 77 4 3 GON Alto del Castro, León 2009 7 22.87 S 10.5 TK 20.0L 50 2 2 IVA Saratov 2009 7 19.06 S 10.3 TK 20.3T 77 4.5 3 GON Alto del Castro, León 2009 7 18.01 S 10.3 TK 20.3T 77 4 3 GON Alto del Castro, León (Mag. 11.4 star [TK] in coma.) 2009 7 3.10 S 9.8 TK 20.3T 77 6 3 GON Alto del Castro, León (Coma elongated in p.a. 250 deg.) 2009 6 21.09 S 9.4 TK 20.3T 77 8 2/ GON Alto del Castro, León (Elongated coma.) 2009 6 17.60 S 9.1 AA 10.0B 25 12 SEA Cowra, NSW (Little changed using Swan Band Filter.) 2009 6 1.10 S 9.3 TK 20.3T 77 6 2/ GON Alto del Castro - Aralla, León (Elongated coma.) 2009 5 30.045 S 8.8 TK 15.5L 50 7 2 DIJ Burlage 2009 5 27.09 S 9.0 TK 20.3T 77 7 2/ GON Alto del Castro - Aralla, León (Elongated coma.) 2009 5 23.09 S 11.1 TK 40.7L 58 2.5 3 BIV Versailles 2009 5 22.056 S 8.6 TK 15.5L 50 7 4 DIJ Burlage 2009 5 21.056 S 8.5 TK 15.5L 50 6 5 DIJ Burlage 2009 5 19.08 S 8.8 TK 20.3T 77 7 2 GON Alto del Castro - Aralla, León (Elongated coma. Altitude: 12 deg.) 2009 5 2.14 S 9.0 TK 20.3T 77 6 2/ GON Alto del Castro - Aralla, León (Elongated coma. Star of mag. 9.6 [Tycho-2] inside the coma.) 2009 4 25.097 S 8.5 TK 15.5L 50 3.5 3/ DIJ Burlage 2009 4 21.15 S 9.1 TK 20.3T 77 6 2/ GON Alto del Castro - Aralla, León 2009 4 21.104 S 9.2 TK 15.5L 50 3 3 DIJ Burlage 2009 4 19.106 S 9.5 TK 31.0J 58 2.5 3 BOU Burlage, Germany (Twilight. Comet at 9 deg. altitude.) 2009 4 19.104 S 9.5 TK 31.0J 58 3.5 3/ DIJ Burlage 2009 4 6.17 S 9.7 TK 15.2S 50 7 2/ GON Sasamón, Burgos 2009 3 27.17 S 12.2 HS 40.7L 135 1.5 2 BIV Blieux 2009 3 26.18 S 11.7 HS 40.7L 135 1.5 4 BIV Blieux 2009 3 22.18 S 10.8 TK 20.3T 100 3.5 2/ GON Alto del Castro - Aralla, León 2009 3 21.161 S 10.5 AU 31.0J 72 2 3 BOU Burlage, Germany 2009 3 21.160 S 10.4 AU 31.0J 72 1.5 2 DIJ Burlage 2009 3 3.22 S 12.3 TK 20.3T 100 1.3 4 GON Pandorado, León 2009 2 25.23 S 12.6 HS 20.3T 154 1.3 3 BIV Pico Veleta, Spain
2002 9 29.43 S 12.5 HS 27.5T 84 1 3 MAT Wallaroo, SA (Zodiacal light interference.) 2002 9 25.41 S 12.0 GA 25.4L 114 SEA Cowra, NSW 2002 9 7.43 S 12.5 HS 27.5T 84 1 3 MAT Wallaroo, SA (Zodiacal light interference.) 2002 9 1.43 S 13.0:HS 27.5T 122 1.5 3 MAT Wallaroo, SA (Zodiacal light interference.)