* * * * * 2P/Encke * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2023 10 10.21 M 8.1 TK 20.3T 77 5 6 GON Alto del Castro, León (Well condensed object. Some moonlight interference, faint outer coma was not perceptible. Altitude 10°.) 2023 9 27.166 S 9.9 TK 32.0L 53 2.0 5 LOO Genk (Cirrus, twilight.) 2023 9 27.126 S 9.2 TK 15.5L 50 2.7 5 DIJ Burlage 2023 9 26.153 S 9.5 TK 32.0L 53 1.5 4 LOO Genk 2023 9 24.20 S 8.9 TK 20.3T 77 6 3 GON Alto del Castro, León 2023 9 24.153 S 9.3 TK 32.0L 53 2.0 4 LOO Genk 2023 9 24.135 M 9.6 TA 25.4J 58 3 4 BOU Sint Annen 2023 9 21.148 S 9.6 AQ 15.5L 50 4 4 DIJ Burlage 2023 9 19.103 M 9.9 TA 25.4J 58 3 3/ BOU Sint Annen 2023 9 18.77 S 10.5 TK 40.0L 59 2.8 3 WYA Walcha, NSW (Low altitude 5.4°. Very diffuse, weak centre. Enhances in Swan Band filter.) 2023 9 14.12 S 10.4 TK 20.3T 77 5 2 GON Villalan de Campos, Valladolid 2023 8 29.76 S 12.7 TA 40.0L 257 0.7 2 YOS Mt. Tsukuba, Ibaraki (Probably I could see its central part only.) 2023 8 29.097 S 11.9 AQ 25.4J 72 2.4 1/ BOU Westerwijtwerd 2023 8 27.09 S 11.1 AQ 20.3T 100 4 1/ GON Villacintor, León 2023 8 22.17 S 11.3 AQ 20.3T 100 3 1/ GON Cueto Rosales, León
2020 8 8.97 S 10.9 AU 22.0L 160 2 2 GOI Araçatuba 2020 8 5.36 S 10.5 TK 25.0L 40 6.5 2/ WYA Walcha, NSW (Very diffuse.) 2020 7 30.36 S 10.2 TK 25.0L 40 4.6 2/ WYA Walcha, NSW (Moonlight. Very diffuse and weakly condensed.) 2020 7 24.41 M 9.2 TK 8.0B 20 3 2 CAM Katherine, NT 2020 7 23.92 S 9.2 TK 10.0B 20 4 3 GOI Araçatuba (Moonlight.) 2020 7 23.41 M 9.0 TK 8.0B 20 3 2 CAM Katherine, NT 2020 7 23.36 S 9.6 AA 10.0B 25 SEA Cowra, NSW 2020 7 21.92 S 8.9 TK 10.0B 20 4 3/ GOI Araçatuba 2020 7 21.34 M 9.2 TK 7.0B 15 4.3 4 WYA Walcha, NSW (Diffuse, moderately condensed centre. Twilight.) 2020 7 20.41 M 8.6 TK 8.0B 20 3 3 CAM Katherine, NT 2020 7 19.92 S 8.6 TK 10.0B 20 3 3/ GOI Araçatuba 2020 7 19.41 M 8.5 TK 8.0B 20 3 3 CAM Katherine, NT 2020 7 19.37 S 9.3 AA 10.0B 25 SEA Cowra, NSW 2020 7 19.35 M 8.8 TK 7.0B 15 5.5 4 WYA Walcha, NSW (Very diffuse outer coma, moderately condensed centre.) 2020 7 18.41 M 8.5 TK 8.0B 20 2 3 CAM Katherine, NT 2020 7 17.92 S 8.6 TK 10.0B 20 3 4 GOI Araçatuba 2020 7 17.41 M 8.3 TK 8.0B 20 3 3 CAM Katherine, NT 2020 7 17.36 S 8.7 AA 10.0B 25 7 SEA Cowra, NSW (Larger and more diffuse than earlier.) 2020 7 16.44 M 8.2 TK 8.0B 20 3 3 CAM Katherine, NT 2020 7 15.41 M 8.1 TK 8.0B 20 3 4 CAM Katherine, NT 2020 7 15.37 S 8.5 AA 10.0B 25 SEA Cowra, NSW 2020 7 13.41 M 8.0 TK 8.0B 20 3 5 CAM Katherine, NT 2020 7 13.35 S 8.4 AA 10.0B 25 SEA Cowra, NSW (Moderately enhanced through Swan Band Fillter.) 2020 7 12.41 M 8.0 TK 8.0B 20 2 4 CAM Katherine, NT 2020 7 12.34 M 8.4 TK 7.0B 15 3.5 6 WYA Walcha, NSW (Low altitude 16.3°. Late twilight. Coma appears small and diffuse with faint stellar pseudo-nucleus.) 2020 7 10.92 M 7.9 TK 10.0B 20 2.5 6 GOI Araçatuba 2020 7 9.41 M 7.8 TK 8.0B 20 2 6 CAM Katherine, NT 2020 7 8.35 S 7.7 AA 10.0B 25 SEA Cowra, NSW (Resembled out-of-focus star. Enhanced through Swan Band Fillter.) 2020 7 7.91 aM 7.6 TK 10.0B 20 3 7 GOI Araçatuba (Twilight, Sun altitude -12°, comet altitude 14°.) 2020 7 7.35 M 7.8 TK 7.0B 15 3.4 6 WYA Walcha, NSW (Low altitude 6.8°. Appears like a hazy star.) 2020 7 7.34 M 7.8 TK 25.0L 40 2.1 5/ WYA Walcha, NSW (Low altitude 11.9°. Twilight.) 2020 7 6.41 M 7.6 TK 8.0B 20 1 5 CAM Katherine, NT 2020 7 6.34 M 7.8 TK 25.0L 40 1.3 6 WYA Walcha, NSW (Moonlight. Low altitude 9.7° with Sun at -15.4°. Small and aqua-blue in colour. Just visible in 15x70B at 5.3° altitude in moonlight as a small round hazy patch.) 2020 7 5.91 aM 7.5 TK 10.0B 20 3 7 GOI Araçatuba (Twilight, Sun altitude -12°, comet altitude 12°. Full moon altitude 4° on the east horizon.) 2020 6 30.34 M 7.3 TK 25.0L 40 0.5 8 WYA Walcha, NSW (Moonlight. Twilight. Low altitude 4.3°, Sun altitude -14.4°. Small and aqua blue in colour, enhances strongly in Swan Band filter. Star-like pseudo-nucleus surrounded by a thin hazy coma.) 2020 6 29.33 M 7.5 TK 25.0L 40 0.8 8 WYA Walcha, NSW (Moonlight. Twilight. Low altitude 4.7°, Sun altitude -12.9°. Highly condensed, star-like pseudo-nucleus with thin hazy edge of the coma. First found when comet was at 7.2° altitude. Enhances in Swan Band filter.)
2017 4 30.80 S 12.8 AQ 40.6L 165 1.0 2 CAM Warners Bay, NSW 2017 4 28.76 S 12.3 AQ 25.0L 83 1.4 3 WYA Walcha, NSW (Coma diffuse, does not enhance in Swan Band filter. Interference by Zodiacal light.) 2017 4 5.76 M 9.8 TK 25.0L 39 4.3 5/ WYA Walcha, NSW (Coma enhances in Swan Band filter.) 2017 3 30.77 S 8.5 AA 10.0B 25 SEA Cowra, NSW (Quite strongly enhanced using Swan Band filter.) 2017 3 30.36 S 8.9:TK 10.0B 20 2 3 GOI Araçatuba (Civil twilight, Sun altitude -11°.) 2017 3 27.76 M 9.1 TK 25.0L 39 1.6 5/ WYA Walcha, NSW (Enhances well in Swan Band filter. Coma small with opaque centre, aqua-blue in colour. Slight zodiacal light interference. Low altitude 10.1°.) 2017 3 25.35 S 7.4 TK 10.0B 20 3 3 GOI Araçatuba (Nautical twilight. Sun altitude -13°, comet altitude 16°, comparison stars at the same altitude.) 2017 3 24.35 S 7.2 TK 10.0B 20 3 3 GOI Araçatuba (Nautical twilight. Sun altitude -13°, comet altitude 14°, comparison stars at the same altitude.) 2017 2 28.782 I 7.8 TK 8.0B 15 7 BOU Foxhol (Small, well condensed object. Comet at 7.9° with Sun at -15.2° altitude. 5.5% illuminated Moon 8.5° away.) 2017 2 24.83 M 8.4 TK 5.0B 10 2.0 7 GON Villasecino, León (Altitude 8°. Zodiacal light.) 2017 2 24.82 M 8.8 TK 10.0B 25 2.5 6 GON Villasecino, León 2017 2 24.781 S 8.8 TK 15.5L 29 2 4 DIJ Burlage 2017 2 24.780 M 8.4 TK 15.5L 29 & 3 5 BOU Burlage, Germany 2017 2 22.83 M 8.4 TK 5.0B 10 2.0 7 GON Alto de la Colladona, Asturias (Altitude 11°. Zodiacal light.) 2017 2 22.82 M 8.7 TK 10.0B 25 2.5 6 GON Alto de la Colladona, Asturias 2017 2 18.78 S 9.3 TK 25.6L 53 3.0 6 BIV 2017 2 18.776 S 8.3 TK 15.5L 29 3.2 5 DIJ Burlage 2017 2 16.82 M 9.2 TK 10.0B 25 3 5 GON Alto de la Camperona, León (Altitude 16°.) 2017 2 16.81 M 9.4 TK 20.3T 77 2.5 4/ GON Alto de la Camperona, León 2017 2 16.097 S 8.4 TK 15.0L 36 5 2 KEE Mt. Thorodin, CO 2017 2 15.77 S 9.7 TK 35.6T 78 &2.5 1 SCH Bussloo 2017 2 14.79 S 9.2 TK 12.5B 30 3 1 DeS Beert 2017 2 14.781 S 9.3 TK 25.4J 47 2.3 4/ BOU Lauwersoog (Star of magn. 10.9 [AQ] at edge of coma.) 2017 2 14.771 S 9.5 TK 15.5L 42 2 4 DIJ Burlage 2017 2 13.776 M 9.3 TK 25.4J 47 2.5 4/ BOU Lauwersoog 2017 2 13.774 S 9.6 TK 15.5L 42 1.7 3/ DIJ Burlage 2017 2 12.767 S 9.5 TK 25.4J 58 2.2 4/ BOU Sint Annen 2017 1 28.80 S 11.0 TK 40.7L 72 2.5 2 BIV 2017 1 26.757 S 11.0 AQ 25.4J 47 2.5 2/ BOU Lauwersoog 2017 1 24.39 S 12.2 TA 40.0L 144 1.7 1/ YOS Mt. Hanadate, Ibaraki (Diffuse.) 2017 1 21.749 S 11.5 AQ 25.4J 58 2.4 2 BOU Lauwersoog 2017 1 19.79 S 11.1 AQ 20.3T 77 4 1/ GON Puerto de Aralla, León (Zodiacal light.) 2017 1 19.748 S 11.6 AQ 25.4J 72 2.2 2 BOU Lauwersoog 2017 1 16.744 S 12.0 AQ 25.4J 72 1.8 1/ BOU Lauwersoog 2016 12 26.82 S 11.5 AQ 20.3T 100 4 1/ GON Alto del Castro, León
2013 11 17.23 I [7.8 TK 8.0R 40 GRA Røverkollen, Oslo (2P/Encke located quite close to Mercury [sep. 1.7°] but was not seen. Nearby stars HD 123523 [mag. VT = 6.9] and HD 123237 [VT = 7.8] were visible. Mercury was easily seen with naked eye. Observation made at alt. 3° and solar alt. -13°.) 2013 11 16.84 M 8.2 TJ 40.0L 75 8 YOS Mt. Tsukuba, Ibaraki (Extremely strongly condensed and easy to see despite the low sky condition. But hard to see the coma due to the low sky haze. It was located near by Mercury and easy to find.) 2013 11 14.24 M 8.0 TK 10.0B 25 2 8/ GON Cueto Rosales - Riello, León (Near-stellar appearance. The smaller observed coma diameter provides a fainter magnitude estimate in comparison with my previous one. Tail not observable. Zodiacal light interference. Low altitude: 7°. Astronomical twilight. Mountain location, very clear sky.) 2013 11 13.24 B 8.3 TK 20.3T 67 2.0 8 0.15 310 BIV 2013 11 13.22 M 7.9 TK 8.0R 30 2 6 GRA Røverkollen, Oslo (Coma appeared as a small disk. The comet was definitely seen but not very easy to observe due to low altitude [7°] and twilight [Sun 13° below horizon]. Clear sky.) 2013 11 11.243 M 7.5 TK 10.0B 25 3 7/ 0.3 300 GON Sierra de Nuestra Señora - Castrocontrigo, León (Outer coma not perceptible, higher degree of condensation. The smaller observed coma diameter provides a fainter magnitude estimate in comparison with my previous one. Zodiacal light interference. Altitude: 11°. Astronomical twilight. Mountain location, very clear sky. 2013 11 11.22 M 8.0:TK 8.0R 30 2.5 6 GRA Røverkollen, Oslo (A compact and well condensed object. Its appearance was dramatically changed compared to four weeks ago. 2P was visible with certainty despite a low altitude of 9° and quite bright twilight [solar altitude -13°). The sky was at this stage partly covered by alto-stratus but nearly clear in the direction of comet.) 2013 11 11.208 S 7.3 TK 8.0B 15 6.5 8 DIJ Burlage 2013 11 11.208 M 7.4 TK 8.0B 15 3 8 BOU Burlage, Germany (Small, well condensed object. Altitude only 7.8°, with Sun at -16°.) 2013 11 9.15 wB 7.0 TT 5.0B 10 5 8 GUZ Czuszów (Bright, small, strongly condensed, almost starlike object. Altitude: 8°. Zodiacal light interference.) 2013 11 8.83 M 7.5 TJ 40.0L 36 & 4 8 YOS Mt. Tsukuba, Ibaraki (I was surprised! Extremely strongly condensed. It looks almost stellar at a glance. Completely different from my last observation in mid October. I wondered if an outburst occured.) 2013 11 7.24 S 7.5 TK 5.0B 7 5 6 BIV 2013 11 6.24 S 6.9 TK 5.0B 10 10 5/ 0.5 300 GON Collada del Fresno - Sierra del Aramo, Asturias (Zodiacal light interference. Altitude: 15°. Beginning of astronomical twilight.) 2013 11 5.197 S 7.3 TK 8.0B 15 7 8 DIJ Burlage 2013 11 4.13 wM 7.6 TT 5.0B 10 6 7 GUZ Biórków Mały (Bright, small, strongly condensed object. Altitude: 8°. Zodiacal light interference.) 2013 11 3.24 S 8.2 TK 40.7L 58 3 7 BIV 2013 11 1.13 M 7.4 TT 5.0B 10 8 7 GUZ Przełęcz Szklarska (Easily visible. In 32.6-cm reflector at 50x, bright disklike central condensation ~2' in diameter surrounded but a fainter and much larger halo.) 2013 10 31.22 S 7.4 TK 5.0B 10 10 5 GON Alto del Castro - Aralla, León (Slight moonlight interference. Faint outer coma was not perceptible. Altitude: 19°.) 2013 10 31.22 B 7.7 TK 40.7L 58 5 7 BIV 2013 10 31.172 S 7.7 TK 15.6L 29 5 5 BOU Sint Annen 2013 10 31.17 S 8.0 TK 8.0B 15 5 4 SCH Eerbeek (Cirrus. Comet only at 15° altitude.) 2013 10 31.165 S 7.6 TK 8.0B 15 5 7 DIJ Burlage 2013 10 31.14 M 7.7 TT 5.0B 10 6 7 GUZ Przełęcz Szklarska (Relatively easy to see despite bright moonlight. Excellent transparency.) 2013 10 30.22 B 8.2 TK 40.7L 58 4 7 BIV 2013 10 30.160 S 7.8 TK 20.0L 48 2.5 6 LOO Wouwberg, Peer 2013 10 29.20 B 8.3 TK 5.0B 7 4 7 BIV 2013 10 29.20 B 8.3 TK 40.7L 58 4 7 BIV 2013 10 27.18 S 8.0 TK 8.0B 15 7 3 SCH Eerbeek (Possibly underestimated due to moonlight.) 2013 10 27.173 S 7.9 TK 8.0B 15 6 4/ DIJ Burlage (Moonlight.) 2013 10 23.20 S 9.1 TK 40.7L 58 6 3 BIV 2013 10 23.12 M 8.0 TT 5.0B 10 7 4 GUZ Biórków Mały (Relatively easy to see despite bright moonlight. Excellent transparency.) 2013 10 23.12 M 8.2 TT 32.6L 50 6 4 GUZ Biórków Mały (Bright, moderately condensed with central condensation off-center.) 2013 10 22.21 S 8.6 TK 40.7L 58 5 4 BIV 2013 10 20.12 S 8.0:TT 5.0B 10 & 6 3 GUZ Krosno 2013 10 20.12 M 8.4 TT 20.3L 63 6 3/ GUZ Krosno (Easily visible despite very bright moonlight.) 2013 10 16.18 S 7.9 TK 5.0B 10 13 2/ GON Cubiellos - Sierra del Aramo, Asturias 2013 10 16.17 S 8.1 TK 10.0B 25 10 3 GON Cubiellos - Sierra del Aramo, Asturias 2013 10 16.16 S 8.3 TK 20.3T 77 8 3 GON Cubiellos - Sierra del Aramo, Asturias (Asymmetric coma.) 2013 10 14.09 S 8.6 TK 8.0R 20 9 3 GRA Steinbruvann, Oslo 2013 10 13.75 S 8.4 TJ 40.0L 36 8 2 YOS Kita-karuizawa, Gunma 2013 10 13.20 S 9.4 TK 40.7L 58 5 5 BIV 2013 10 12.99 S 8.4 TK 10.0R 25 9 3 GRA Hakadal (A low surface brightness object, similar to M101, but clearly visible. Favourable conditions [NEL near 6.5]. sky brightness reading using SQM-L: magnitude 20.9 per square arc second.) 2013 10 12.75 S 8.5 TJ 40.0L 36 7.5 2/ YOS Kita-karuizawa, Gunma 2013 10 11.74 S 8.3 TJ 40.0L 36 7 2 YOS Kita-karuizawa, Gunma (Very bright and large!) 2013 10 11.07 S 9.3 TK 8.0R 20 7 2 GRA Steinbruvann, Oslo 2013 10 9.977 S 9.5 TK 15.5L 29 5 3 DIJ Burlage 2013 10 9.976 S 9.3 TK 15.6L 29 7 2/ BOU Sint Annen 2013 10 7.15 S 9.3 TK 10.0B 25 10 2 GON Alto del Castro - Aralla, León 2013 10 7.14 S 9.7 TK 20.3T 77 8 2/ GON Alto del Castro - Aralla, León (Asymmetric coma.) 2013 10 7.005 S 9.9 TA 15.5L 29 5 4 DIJ Burlage 2013 10 4.74 S 10.5 TA 25.0L 39 3.7 2 WYA Walcha, NSW (Very diffuse, no tail. Altitude 7°.) 2013 10 4.17 S 10.6 TK 25.6L 42 4 3 BIV 2013 10 4.05 S 10.4 TT 32.6L 50 5 2 GUZ Dosłońce (Much brighter than four weeks ago. Relatively bright but diffuse object. Easily visible under excellent conditions. Also faintly seen in 10x50B: m1 = 10.0:, dia. = &6'.) 2013 10 3.74 S 10.8 TA 25.0L 39 4 1/ WYA Walcha, NSW (Coma very diffuse, no tail. Altitude 8°.) 2013 10 3.13 S 9.6 TK 20.0L 42 & 9 1 SCH Eerbeek 2013 10 1.11 S 9.8 TK 20.0L 42 & 6 1 SCH Eerbeek 2013 9 30.940 S 11.0 AQ 30.5T 54 4 1 BOU Burlage, Germany 2013 9 30.938 S 10.9 AQ 30.5T 54 3.0 0/ DIJ Burlage 2013 9 29.94 S 9.8 TK 20.0L 42 & 7 1 SCH Eerbeek 2013 9 28.943 S 11.5 AQ 30.5T 54 3 1 BOU Burlage, Germany (Comet large and very diffuse. Motion obvious after some 15 minutes.) 2013 9 28.940 S 11.2 AQ 30.5T 54 2.4 0/ DIJ Burlage 2013 9 13.02 S 11.0 TK 20.3T 77 5 1 GON Alto del Castro - Aralla, León (From dark mountain skies the coma appears large and diffuse, with faint outer region.) 2013 9 9.09 S 13.4:HS 40.7L 135 1.5 2 BIV 2013 9 8.03 S 13.1 AQ 32.6L 50 2 1 GUZ Dosłońce (Large, diffuse object. Seems to be larger and brighter than 4 days ago.) 2013 9 4.05 S 14.0:AQ 32.6L 50 1.5 0/ GUZ Dosłońce (Faint and extremely diffuse but relatively large. I could not see it at 182x but it was definitely visible at 50x. Motion confirmed over a period of more than an hour. Excellent conditions - M 33 easily visible with naked eye, California nebula pretty obvious in 10x50B, part of zodiacal band faintly visible.)
2010 9 7.94 S 10.2 TK 22.0L 160 2.5 2/ GOI Araçatuba 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