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* * * * * 2P/Encke * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2010 9 1.94 S 9.8 TK 22.0L 160 3 3 GOI Araçatuba 2010 8 29.93 S 9.4 TK 22.0L 60 4 3 GOI Araçatuba (Astronomical twilight, comet altitude 20° and near a star with m1: 8.27. Better visualization with comet filter.) 2010 8 27.93 S 9.3 TK 22.0L 60 4 3/ GOI Araçatuba (Astronomical twilight, comet altitude 17°.)
2007 5 23.75 S 9.6 AA 10.0B 25 4 SEA The Entrance, NSW (Enhanced thro' Swan Band filter.) 2007 4 17.85 S 6.7 TK 10.0B 25 2 6 GON Alto del Gamoniteiro - Sierra del Aramo, Asturias (Mountain location, clear sky. Astronomical twilight. Altitude: 5 deg.) 2007 4 14.84 I [7.0 TK 7.0R 20 GRA Blindern, Oslo (Comet invisible. Alt. 4 deg., solar alt. -12 deg.) 2007 4 13.85 M 7.7 TK 10.0B 25 2 6 GON Alto del Gamoniteiro - Sierra del Aramo, Asturias (Mountain location, very clear sky. Astronomical twilight. Altitude: 6 deg.) 2007 4 12.84 I [7.0 TK 10.0R 30 GRA Fjellhamar (Comet invisible. Alt. 4 deg., solar alt. -12 deg.) 2007 4 7.84 S 8.0:TK 10.0R 40 & 2 5 GRA Fjellhamar (Difficult observation, 2P only glimpsed but detected at correct location. Comet appeared about 1.0 mag. fainter than HD 14305. Alt. 4 deg. and twilight [solar altitude -14 deg].) 2007 4 5.833 S 8.5 TK 31.0J 72 2.4 5/ DIJ Sint Annen 2007 4 5.833 S 8.2 TK 31.0J 72 1.8 5/ BOU Sint Annen (Moderately condensed object. Well visible despite low altitude of only 6 deg. in twilight.) 2007 3 31.82 B [8.5 TK 20.3T 100 !1.0 GRA Fjellhamar 2007 3 31.82 I[10.0 TK 20.3T 100 GRA Fjellhamar (Comet invisible. Alt. 8 deg, solar alt. -12 deg.) 2007 3 12.811 S 10.8 TK 31.0J 89 1.8 3 DIJ Lauwersoog 2007 3 12.808 S 10.9 TK 31.0J 89 2 3 BOU Lauwersoog 2007 3 11.83 S 11.3 TK 20.3T 100 2.5 2/ GON Puerto de Aralla, León (Mountain location, very clear sky. Zodiacal light. Altitude: 10 deg.) 2007 3 11.802 S 11.0 AU 31.0J 89 1.5 2/ BOU Lauwersoog 2007 2 14.82 S 13.3 TK 20.3T 100 2.5 2/ GON Collada de la Cobertoria, Asturias (Mountain location, very clear sky. Zodiacal light.)
2003 12 24.28 I 4.7:TK 10.0B 25 9 GON Collada de la Cobertoria, Asturias (Mountain location, clear sky. Difficult observation made at the start of nautical twilight. Comet apperared virtually stellar, at 3.3 deg altitude and 17.1 deg elongation. Comparison stars at the same low altitude as the comet.) 2003 12 8.714 S 6.5:TK 15.6L 29 7 4/ DIJ Westerdijkshorn 2003 12 8.714 S 6.5:TK 15.6L 29 6 4 BOU Westerdijkshorn (Definitely seen, but difficult object at only 4.5 deg. altitude; observed in strong moonlight.) 2003 12 7.712 S 6.5 TK 8.0B 15 7 4/ BOU Bedum (Comet at only 7 deg. altitude; observed in strong moonlight.) 2003 12 7.701 S 6.4 TK 5.0B 7 9 5/ DIJ Rijzen 2003 12 7.67 S 7.0:TK 20.3L 63 & 5 4 GUZ Krosno (Strong moonlight, low elevation, comet barely visible.) 2003 12 4.70 M 6.7 TK 7.0R 15 8 3/ GRA Tryvann, Oslo 2003 12 4.70 S 6.7 TK 5.0B 7 8 GRA Tryvann, Oslo (Comet fairly well visible despite an 11d old Moon and altitude 11 deg. It was faintly seen with 7x50B. NEL = 4.5 in direction of comet.) 2003 12 1.69 S 6.6 TK 5.0B 10 12 4 GUZ Torun (Moonlight.) 2003 11 30.70 S 6.6 TK 5.0B 10 11 4 GUZ Krosno (Moonlight.) 2003 11 28.727 S 6.8 TK 8.0B 15 10 4 BOU Westerdijkshorn 2003 11 28.722 M 7.5 TK 8.0B 15 11 5/ DIJ Westerdijkshorn 2003 11 28.722 S 6.7 TK 5.0B 7 12 3 BOU Westerdijkshorn 2003 11 28.71 S 6.8 TK 5.0B 10 12 4 GUZ Krosno (Some cirrus and moonlight.) 2003 11 27.82 S 6.7 AC 6.0B 7 &20 3 RES Wisbech, Cambs, England 2003 11 27.71 S 7.2 TK 20.3L 63 8 4 GUZ Krosno 2003 11 27.70 S 6.8 TK 5.0B 10 12 4 GUZ Krosno (Sunward fan visible in both telescope and binoculars in p.a. 230 degrees.) 2003 11 26.82 S 6.8 AC 6.0B 7 &20 3 RES Wisbech, Cambs, England 2003 11 25.83 S 7.0 AC 6.0B 7 &20 3 RES Wisbech, Cambs, England 2003 11 25.82 S 7.6:TK 5.0B 7 10 3 BIV Versailles 2003 11 25.81 S 8.1 TK 25.6L 42 10 3 BIV Versailles 2003 11 25.80 S 6.9 TK 5.0B 7 15 2 GON Sierra del Aramo, Asturias 2003 11 24.70 S 7.1 TK 5.0B 10 11 4 GUZ Krosno (Easily visible, more condensed than previously.) 2003 11 22.68 S 7.3 TK 5.0B 10 12 3 GUZ Krosno (Quite easy to see.) 2003 11 21.76 S 7.3 TK 5.0B 10 12 3 GUZ Krosno (Quite easy to see.) 2003 11 20.73 S 7.4 TK 5.0B 10 14 2/ GUZ Krosno (Easily visible, large and diffuse object. Wide sunward fan was visible without any trouble in p.a. about 240 degrees.) 2003 11 19.76 S 7.1 TK 7.0R 15 17 2/ GRA Hågår Observatory, Eina (Comet appeared less condensed and slightly fainter than the cluster M71. Some cloud interference. NEL = 6.3.) 2003 11 19.71 S 7.3 TK 5.0B 7 14 3 GRA Hågår Observatory, Eina 2003 11 18.24 S 7.9 TK 5.0R 16 10 2 BIV Mauna Kea, Hawaii 2003 11 18.23 S 8.3 TK 20.3L 48 9 2 BIV Mauna Kea, Hawaii 2003 11 17.93 S 8.4 TK 20.3T 36 9 2 GON Aralla, Leon 2003 11 17.92 S 7.5 TK 7.0R 24 13 3 GRA Tryvann, Oslo (Comet was faint, but definitely seen despite its location near 21 Vul. It was harder to detect with 15x due to a brighter sky background and not seen in 7x50B. Altitude 23 deg. NEL = 5.7 in direction of comet.) 2003 11 17.91 S 7.9 TK 5.0B 7 9 1 GON Aralla, Leon 2003 11 17.90 S 8.1 TK 8.0B 11 12 1 GON Aralla, Leon 2003 11 17.89 S 8.3 TK 10.0B 25 12 2 GON Aralla, Leon 2003 11 16.72 S 7.9 TK 5.0B 10 12 2/ GUZ Krosno 2003 11 16.28 S 8.6 TK 5.0R 16 10 2 BIV Mauna Kea, Hawaii 2003 11 16.27 S 9.1 TK 20.3L 48 8 2 BIV Mauna Kea, Hawaii 2003 11 15.808 S 8.1 TK 8.0B 15 10 2/ BOU Sint Annen 2003 11 15.75 S 7.7 TK 30.5T 56 >10 1 COM Roden (Comet very large and diffuse with indefinite border; observed just before incoming cloud.) 2003 11 15.26 S 8.7 TK 5.0R 16 11 2 BIV Mauna Kea, Hawaii 2003 11 15.25 S 9.0 TK 20.3L 48 8 2 BIV Mauna Kea, Hawaii 2003 11 14.78 S 8.7 TK 20.3L 63 10 3 GUZ Krosno 2003 11 14.77 S 8.1 TK 5.0B 10 14 2/ GUZ Krosno 2003 11 14.25 S 8.8 TK 5.0R 16 8 2 BIV Mauna Kea, Hawaii 2003 11 14.24 S 8.9 TK 20.3L 48 7 2 BIV Mauna Kea, Hawaii 2003 11 13.74 S 8.9 TK 20.3L 63 8 3 GUZ Krosno 2003 11 13.73 S 8.3 TK 5.0B 10 12 2/ GUZ Krosno (Quite easy to see.) 2003 11 13.26 S 8.8 TK 5.0R 16 6 3 BIV Mauna Kea, Hawaii 2003 11 13.25 S 9.3 TK 20.3L 48 6 2 BIV Mauna Kea, Hawaii 2003 11 12.83 S 7.8 AC 6.0B 7 &10 2 RES Wisbech, Cambs, England 2003 11 12.70 S 8.3 TK 5.0B 10 13 2/ GUZ Krosno (Quite easy to see.) 2003 11 12.69 S 9.0 TK 20.3L 63 8 3 GUZ Krosno (Obvious object.) 2003 11 12.23 S 9.4 TK 5.0R 16 7 3 BIV Mauna Kea, Hawaii 2003 11 12.23 S 9.5 TK 20.3L 48 7 3 BIV Mauna Kea, Hawaii 2003 11 11.69 S 9.2 TK 20.3L 63 8 3 GUZ Krosno 2003 11 11.68 S 8.4 TK 5.0B 10 12 2 GUZ Krosno 2003 11 11.42 S 8.4 AA 10.0B 25 12 1 SEA Cowra, NSW (Very low surface brightness, but enhanced through Swan Band Filter.) 2003 11 10.84 S 8.3 AC 6.0B 7 &10 2 RES Wisbech, Cambs, England 2003 11 10.72 S 9.5:TK 20.3L 63 & 5 3/ GUZ Krosno (Quite obvious object with indefinite border. Motion evident. Moonlight.) 2003 11 10.70 S 8.5:TK 5.0B 10 &10 2 GUZ Krosno (Very faint, at the limit of visibility. Moonlight.) 2003 11 9.05 S 8.5 TK 15.2L 23 14 2/ GRA Lygna (Comet appeared as a large and diffuse glow with a low surface brightness [much inferiour to that of M33 and NGC 205]. Observed under a dark and transparent Bortle class 3 sky [NEL = 6.5 (approx.)].) 2003 11 1.87 S 11.9 HS 40.7L 116 1.6 2 BIV Versailles 2003 11 1.86 S 12.0 HS 40.7L 58 2.0 2 BIV Versailles 2003 10 29.845 S 9.9 TK 15.6L 29 3.5 1 DIJ Sint Annen 2003 10 29.842 S 10.0 TK 15.6L 29 5 2 BOU Sint Annen (Bright aurora covered most of the northern half of the sky at times. Observation was made when activity was relatively low for a while.) 2003 10 29.83 S 9.5 TK 5.0B 10 7 2 GUZ Krosno (Very diffuse, barely visible object, NEL=7.0.) 2003 10 28.894 S 10.4 TK 15.6L 36 3.5 1 DIJ Sint Annen 2003 10 28.892 S 10.4 TK 15.6L 36 4 2 BOU Sint Annen (Comet large and diffuse. Some interference from 26 And [magn. 6.1] only 7' away.) 2003 10 28.77 S 10.6 TK 20.3L 63 5 3 GUZ Krosno 2003 10 27.97 S 10.7 TK 20.3L 63 5 2 GUZ Krosno (Large, very diffuse. Excellent conditions NEL=~6.8) 2003 10 27.867 S 10.5 TK 31.0J 58 4.3 0/ DIJ Sint Annen 2003 10 27.864 S 10.7 TK 31.0J 58 4.5 2/ BOU Sint Annen 2003 10 26.977 S 10.9 TK 31.0J 58 4.5 2 BOU Sint Annen (Comet large and very diffuse. Not unambiguously seen with 15x80B in rather crowded field, despite good sky conditions and altitude of 71 degrees.) 2003 10 26.93 S 12.5 HS 40.7L 116 1.3 2 BIV Versailles 2003 10 26.00 B[12.7 VB 20.3T 77 !1.0 GRA Fjellhamar Comet not seen at ephemeris position despite a quite dark sky [NEL = 6.0]. Stellar limiting magnitude in nearby RX And sequence was slightly fainter than 14.0.) 2003 10 24.851 S 11.6 TK 31.0J 58 3 2 BOU Sint Annen 2003 10 24.84 S 11.7 TK 20.3L 63 3 2/ GUZ Krosno (Much brighter and bigger than five days ago.) 2003 10 23.831 S 12.1 TK 31.0J 72 1.8 0/ DIJ Sint Annen 2003 10 23.828 S 11.8 TK 31.0J 72 2.5 2 BOU Sint Annen 2003 10 21.94 S 12.8 HS 40.7L 116 1.0 2 BIV Versailles 2003 10 21.860 S 12.3 HN 25.4J 72 1.9 2 BOU Sint Annen (Faint coma, but larger and more obvious than 3 days ago.) 2003 10 19.83 S 12.5:HS 20.3L 108 2 2 GUZ Krosno (Very large, very diffuse. Motion confirmed over 1-hour period. NEL=~6.8) 2003 10 18.88 S 13.0 HS 40.7L 116 1.2 2 BIV Les Sièges 2003 10 18.82 S 12.7 HS 20.3L 108 1.5 2 GUZ Krosno (Diffuse. Motion evident. NEL=~6.8) 2003 10 18.803 S 12.8 HN 31.0J 143 0.7 3/ DIJ Lauwersoog 2003 10 18.798 S 12.9 HN 31.0J 143 1.0 3 BOU Lauwersoog (Some interference from magnitude 6.6 star, less than 7' away.) 2003 10 16.769 S 13.0 HN 31.0J 124 0.7 2/ DIJ Sint Annen 2003 10 16.767 S 12.8 HN 31.0J 124 1.0 2/ BOU Sint Annen (Faint, slightly condensed object. Some interference from nearby magn. 11.8 [TK] star. Comparison stars selected from Henden photometry of FN And.) 2003 10 15.84 S 13.6:HS 40.7L 233 0.8 3 BIV Versailles 2003 10 15.83 S 13.5:HS 40.7L 116 1.0 3 BIV Versailles 2003 10 15.75 S 13.0:HS 20.3L 108 1 1 GUZ Krosno (Very faint, near the limit of visibility. Motion confirmed. Very good conditions , NEL=6.5.) 2003 9 26.127 S 14.1 AC 31.0J 143 0.9 2 BOU Sint Annen (Small, very faint object. Motion detected over 45m period. Check with DSS showed nothing brighter than magnitude 16-17 near observed track.)
2000 10 4.42 S 11.0:TJ 20.0L 160 1 4/ MAT Wallaroo, SA (Moonlight interference) 2000 10 2.42 S 10.4 TJ 20.0L 160 1.5 4/ MAT Wallaroo, SA (Moonlight interference) 2000 8 13.094 S 9.6 TJ 25.4J 72 1.5 3/ BOU Thesinge