22P/Kopff

22P/Kopff
Reported observations:
2015 Nov. 30.77 UT: m1=9.7, Dia.=3′, DC=1/ ... 20-cm SCT (77x)... Juan José González (Alto del Trichero – Soto y Amío, alt. 1190 m, León, España) [Altura sobre el horizonte: 8º. Luz zodiacal. Cielo muy claro de montaña]
2015 Nov. 14.75 UT: m1=10.2, Dia.=3′, DC=2, no tail... 20-cm SCT (80x)... Carlos Labordena (Castellón, España)
2015 Nov. 07.95 UT: m1=10.0, Dia.=3′, DC=2 ... 22-cm L (60X)... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [Near a star with m1: 11.2]
2015 Nov. 07.77 UT: m1=9.2, Dia.=4′, DC=2/ ... 20-cm SCT (77x)... Juan José González (Alto del Cellerón – Camposagrado, alt. 1190 m, León, España) [Altura sobre el horizonte: 10º. Crepúsculo astronómico. Cielo muy claro de montaña]
2015 Nov. 06.41 UT: m1=12.5, Dia.=2.2’, DC=1 ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma enhances slightly in Swan Band filter. No tail, very diffuse and difficult due to zodiacal light interference and a slightly hazy background sky]
2015 Oct. 19.72 UT: m1=9.8 DSRL, Dia.=3′, DC=2 ... Digital reflex+0.3-m lens... Giuseppe Pappa (Sicily, Italy)
2015 Oct. 16.43 UT: m1=12.4, Dia.=1.3’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [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 Oct. 16.38 UT: m1=12.4: CCD, Dia.=&1.7′ ... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 (remotely from Siding Spring, Australia)
2015 Oct. 14.94 UT: m1=9.5, Dia.=4′, DC=2 ... 22-cm L (60x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 Oct. 14.80 UT: m1=9.0, Dia.=5′, DC=2 ... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 10º. Crepúsculo astronómico. Cielo muy claro de montaña]
2015 Oct. 09.79 UT: m1=9.8, Dia.=3′, DC=2, no tail... 20-cm B (50x)... Carlos Labordena (Castellón, España)
2015 Oct. 06.94 UT: m1=9.6, Dia.=4′, DC=3 ... 22-cm L (60x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil) [ No enhancement with comet filter ]
2015 Oct. 02.38 UT: m1=12.5 CCD, Dia.=2.2′, Tail= 1.1′ in PA: 107 deg ... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Oct. 01.81 UT: m1=9.5, Dia.=4′, DC=2/ ... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España) [Altura sobre el horizonte: 9º. Fin del crepúsculo astronómico. Cielo muy claro de montaña]
2015 Sep. 15.93 UT: m1=10.1, Dia.=2′, DC=2 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brazil)
2015 Sep. 14.92 UT: m1=10.1, Dia.=2′, DC=2 ... 18-cm L (45x)... Alexandre Amorim (Florianopolis, Brazil)
2015 Sep. 07.39 UT: m1=12.6 CCD, Dia.=2.0′, Tail= 2.8′ in PA: 107 deg ... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 18.37 UT: m1=12.7 CCD, Dia.=2.0′, Tail= 2.4′ in PA: 107 deg ... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 Aug. 07.94 UT: m1=11.7, Dia.=2′, DC=3 ... 22-cm L (160x)... Marco Antonio Coelho Goiato (Araçatuba, Brazil)
2015 July 18.36 UT: m1=13.0: CCD, Dia.=&2.4′ ... [T31] 0.50-m f/6.8 astrograph + CCD + focal reducer... A. Novichonok & T. Prystavski (iTelescope observatory, Q62 remotely from Siding Spring, Australia)
2015 July 10.85 UT: m1=11.8, m2=13.4 (inner coma), m3=14.8 (starlike nucleus), Dia.=1.8′ (inner coma is 0.33′), DC=D5... 25-cm L (150x)... Gábor Sánta (Zlatibor, Serbia) [very strong disk-shape inner coma]
2015 July 07.47 UT: m1=12.7, Dia.=1.7’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very diffuse, transparent outer coma, slightly brighter centre that weakly condensed. Does not enhance in Swan Band filter]
2015 July 07.40 UT: m1=12.5, Dia.=0.8′, DC=2/ ... 30-cm f/5 Dobson 25mm... Con Stoitsis (Nagambie, Australia) [Coma very defussed and uniformed across]
2015 June 14.16 UT: m1=15.5 CCD, Dia.=0.6’ ... CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 June 09.39 UT: m1=13.5, Dia.=0.8′, DC=2... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 June 08.39 UT: m1=13.5, Dia.=0.7′, DC=3 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 June 07.36 UT: m1=13.5, Dia.=1.4’, DC=1/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Difficult, coma very diffuse, central condensation slightly brighter in good seeing, no tail. Galaxy M61 visible 27.8’ away in P.A. 272°]
2015 June 07.19 UT: m1=15.4 CCD, Dia.=0.6’... CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 June 06.37 UT: m1=13.5, Dia.=0.8′, DC=3 ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 June 04.88 UT: m1=13.0: CCD, Dia.=&2.3′ ... [T16] 0.15-m f/7.3 refractor + CCD... A. Novichonok & T. Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 May  21.97 m1=14.2 CCD + R filter, Dia.=25″, DC=5, Fantail= 1′ in PA: 38-117 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Fantail curved CCW]
2015 May  20.93 UT: m1=14.1 + R filter, Dia.=36″, DC=5, Fantail=  1′ in PA: 317-101 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine) [Fantail curved CCW]
2015 May  16.52 UT: m1=14.0, Dia.=0.6′, DC=2/ ... 40.6-cm L f/4 (165x)... Paul Camilleri (Warners Bay, Australia)
2015 May  15.95 UT: m1=13.8, Dia.=1.0′, DC=3 ... 30.5-cm L F/4.9 (93x)... J. P. Navaro Pina (Bullas, Murcia, Spain)
2015 May  15.89 UT: m1=12.7, Dia.=1.2′, DC=2 ... 32-cm L f/5 (96x)... Uwe Pilz (Leipzig, Germany)
2015 May  15.23 UT: m1=15.7 CCD, Dia.=0.7’ ... CCD images unfiltered... Pierre Laporte (Cd’OA des Monts Notre-Dame, Québec, Canada)
2015 May  12.98 UT: m1=14.2 + R filter, Dia.=43″, DC=5, Fantail= 1′ in PA: 354-138 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 May  11.91 UT: m1=12.9, Dia.=1.5′, DC=2 ... 50.8-cm L (189x)... Sandor Szabo (Sopron, Hungary) [Very large and diffuse]
2015 May  10.93 UT: m1=11.0, Dia.=2.0′, DC=2 ... 32-cm L f/5 (48x)... Uwe Pilz (Leipzig, Germany)
2015 May  10.92 UT: m1=14.4, Dia.=0.5′, DC=4/ ... 35-cm L (239x)... Jakub Cerny (Senohraby, Czech Republic)
2015 May  10.45 UT: m1=14.4, Dia.=0.7’, DC=2/ ... 25-cm L f:5 (83x)... Chris Wyatt (Walcha, NSW, Australia) [Coma diffuse, slight brightening at centre. No tail]
2015 May  08.39 UT: m1=14.3, Dia.=0.6’, DC=2/ ... 25-cm L f:5 (183x)... Chris Wyatt (Walcha, NSW, Australia) [Coma very small and diffuse. no tail]
2015 May  07.89 UT: m1=13.0, Dia.=1.5′, DC=1 ... 30.5-cm L (93x) ... J. P. Navarro Pina (El Palmar, Murcia, Spain)
2015 May  05.98 UT: m1=14.2 CCD + R filter, Dia.= Fan-like coma 25″, DC=5, Tail= 1′.8 in PA: 45 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 21.98 UT: m1=14.2 CCD + R filter, Dia.=43″, DC 6, Tail= 1′ in PA: 325-60 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Apr. 15.22 UT: m1=13.3: CCD, Dia.=&1.9′ ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Apr. 10.99 UT: m1=14.0 CCD + R filter, Dia.=30″, DC 5, Tail= 30″ in PA: 320-61 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Mar. 18.93 UT: m1=15.2, Dia.=0.6′, DC=2 ... 50.8-cm L (351x)... Sandor Szabo (Sopron, Hungary)
2015 Mar. 11.97 UT: m1=15.4 CCD, Dia.=0.6′ ... [T16] 0.15-m f/7.3 refractor + CCD... A. Novichonok & T.Prystavski (AstroCamp Observatory, I89 remotely from Nerpio, Spain)
2015 Mar. 06.06 UT: m1=16.4 CCD + R filter, Dia.=14″, DC 5, FanTail= 20″ in PA: 326-36 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 18.04 UT: m1=16.0 CCD + R filter, Dia.=16″, DC 5, Tail= 30″ in PA: 343-60 deg ... 70-cm f/4 L + CCD... Alexander Baransky (Kyiv comet station MPC 585, Ukraine)
2015 Feb. 13.40 UT: m1=15.8 CCD, Dia.=0.4′ ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 25.43 UT: m1=16.6: CCD, Dia.=0.4′ ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2015 Jan. 18.54 UT: m1=15.4 CCD, Dia.=0.6′ ... [T20] 0.1-m f/5.0 astrograph + CCD... A. Novichonok & T. Prystavski (iTelescope observatory, H06 remotely from Mayhill, U.S.A.)
2009 Nov. 11.74 UT: m1=14.4 CCD, Dia.=0.9′, DC=2 ... 25-cm L +CCD +Rc filter... Toni Scarmato (Calabria, Italia)
2009 Nov. 13.000 UT: m1=12.0, Dia.=2.5′, DC=2 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Nov. 08.83 UT: m1=11.7, Dia.=3′, DC=1 ... 20-cm SCT (100x)... Juan Jose Gonzalez (Trascastro de Luna, alt. 1010 m, León, España)
2009 Oct. 24.104 UT: m1=11.7, Dia.=2′, DC=2 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Oct. 21.125 UT: m1=11.8, Dia.=2′, DC=2 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Oct. 16.85 UT: m1=11.2, Dia.=2′, DC=2, no tail... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2009 Oct. 16.104 UT: m1=11.4, Dia.=2′, DC=2 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Oct. 11.82 UT: m1=11.2, Dia.=3′, DC=2 ... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Oct. 10.125 UT: m1=11.5, Dia.=3′, DC=2 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Sep. 29.07 UT: m1=11.0, Dia.=3′, DC=3 ... 20-cm SCT (100x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Set. 25.135 UT: m1=11.0, Dia.=3′, DC=2 ... 22-cm L f:6.5 (160x)... Marco Goiato (Araçatuba, Brasil)
2009 Sep. 24.92 UT: m1=10.7, Dia.=2.5′, DC=3, no tail... 23.5-cm SCT (138x)... Carlos Labordena (Castellón, España)
2009 Sep. 22.93 UT: m1=11.1, Dia.=3′, DC=3 ... 20-cm SCT (77x)... Juan José González (Alto del Castro, alt. 1720 m, León, España)
2009 Sep. 20.74 UT: m1=10.8, Dia.=2.0′, DC=3/ ... 40.0-cm L f/4.5 (75x)... Seiichi Yoshida (Gunma, Japan)
2009 Set. 14.125 UT: m1=10.5, Dia.=3′, DC=2/ ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2009 Sep. 11.91 UT: m1=10.7, Dia.=3′, DC=3 ... 20-cm SCT (100x)... Juan José González (Aralla, alt. 1360 m, León, España)
2009 Aug. 31.10 UT: m1=10.4, Dia.=4′, DC=3/ ... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Aug. 29.02 UT: m1=10.4, Dia.=3′, DC=3 ... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Aug. 27.146 UT: m1=10.5, Dia.=3.5′, DC=3 ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2009 Aug. 23.242 UT: m1=10.4, Dia.=5.0′, DC=2 ... 15-cm SCT (37x)... Salvador Aguirre (Hillo, Sonora, México)
2009 Aug. 21.98 UT: m1=10.9, Dia.=3′, DC=3 ... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2009 Aug. 19.03 UT: m1=10.7, Dia.=3′, DC=6 ... 51-cm L f:5 (82x)... José Carvajal (Avila, España)
2009 Aug. 19.01 UT: m1=10.3, Dia.=4′, DC=3 ... 20-cm SCT (77x)... Juan José González (Alto del Castro – Aralla, alt. 1720 m, León, España)
2009 Aug. 17.125 UT: m1=10.4, Dia.=4′, DC=3 ... 22-cm L f:6.5 (60x)... Marco Goiato (Araçatuba, Brasil)
2009 Aug. 16.44 UT: m1=10.5, Dia.=8’, DC=5 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia) [No tail, faint background stars in vicinity of coma. Comp Star= TYC 5816-869-1 Method= S, Cat= TJ]
2009 Aug. 15.56 UT: m1=10.9, Dia.=2.5’, DC=4/ ... 20-cm T f:10 (63x)... Chris Wyatt (Walcha, NSW, Australia] [No tail, coma elongated to West. Comp Star= TYC 5816-544-1 Method= S, Cat= TJ]
2009 Aug. 14.49 UT: m1=10.8, Dia.=5’, DC=5 ... 25-cm L f:5 (39x)... Chris Wyatt (Walcha, NSW, Australia] [No tail. Comp Star= TYC 5816-735-1 Method= S, Cat= TJ]
2009 July 14.96 UT: m1=10.2, Dia.=4′, DC=3 ... 23.5-cm SCT (67x)... Carlos Labordena (Castellón, España)
2002 Sep. 29.43 UT: m1=12.5:, Dia.=1', DC=3 ... 28-cm SCT (84x)... Michael Mattiazzo(Wallaroo, South Australia) [Zodiacal light interference]
2002 Sep. 01.43 UT: m1=13.0:, Dia.=1.5', DC=3 ... 28-cm SCT (133x)... Michael Mattiazzo (Wallaroo, South Australia) [Zodiacal light interference]
2002 June 03.180 UT: m1=14.31 CCD, Dia.=6", DC=2 ... 0.3-m SCT/CCD... P. Clay Sherrod (ASO, Conway, Arkansas) [very diffuse, round, no condensation; Moderate Light pollution, trans = 3.5/6.5]
2002 May  16.24 UT: m1=15.2 CCD, Dia.=0.7′, Tail= 0.5′ in PA: 33 deg ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 May  09.37 UT: m1=15.3: CCD, Dia.=&0.6′, Tail= 0.5′ in PA: 5 deg ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608) [bright star close to nucleus]
2002 Apr. 29.283 UT: m1=<15.7 CCD ... 0.3-m SCT/CCD... P. Clay Sherrod (ASO, Conway, Arkansas) [not found to magnitude 15.7 in strong moonlight - 3 images]
2002 Apr. 15.304 UT: m1=16.16 CCD, Dia.=<2", DC=1 ... 0.3-m SCT/CCD... P. Clay Sherrod (ASO, Conway, Arkansas) [Moderate light pollution and haze. No tail nor head structure noted]
2002 Apr. 11.54 UT: m1=15.2 CCD, Dia.=0.43′ ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
2002 Apr. 02.41 UT: m1=15.6: CCD, Dia.=&0.4′ ... 1.2-m Schmidt + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 644) [poor quality and noisy images]
2002 Jan. 14.58 UT: m1=17.8 CCD, Dia.=0.24′ ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 Sep. 14.26 UT: m2=14.3 CCD, Dia.=1.4′, Tail= 2′ in PA: 55 deg ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 July 23.32 UT: m2=12.7 CCD, Dia.=&10′ ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 July 20.38 UT: m2=12.6 CCD, Dia.=&9′ ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 July 19.54 UT: m2=12.4 CCD, Dia.=&11′ ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
1996 July 18.44 UT: m2=12.5 CCD, Dia.=&11′ ... 1.2-m reflector + CCD... R. Bambery, E. Helin, S. Pravdo, M. Hicks, K. Lawrence, P. Kervin, T.Prystavski (Near-Earth Asteroid Tracking NEAT, MPC 608)
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