* * * * * 43P/Wolf-Harrington * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2017 1 24.80 S 13.6 AU 40.0L 144 0.6 2/ YOS Mt. Hanadate, Ibaraki (Unexpectedly still visible. Near globular cluster M68.) 2016 12 29.70 S 13.0 AQ 40.6L 165 1.0 3 CAM Warners Bay, NSW 2016 12 26.19 S 12.0 AQ 20.3T 100 2 1/ GON Les Retuertes - Sierra del Aramo, Asturias 2016 12 5.22 S 10.5 TK 20.3T 100 3 2 GON Pico del Pozo de la Nieve - Sierra de la Bobia, Asturias (Zodiacal light.) 2016 12 2.82 S 13.3 AU 40.0L 144 1.0 3 YOS Kita-karuizawa, Gunma (Unexpectedly, it still looks bright and large.) 2016 12 1.68 S 13.1 AQ 25.0L 83 1 3 WYA Walcha, NSW (Coma diffuse, slight brightening to centre. Coma centre appears slightly offset to the East.) 2016 11 30.22 S 10.3 TK 20.3T 77 4 2 GON Les Retuertes - Sierra del Aramo, Asturias (Zodiacal light.) 2016 11 28.209 S 13.1 AQ 30.5T 139 0.6 3 DIJ Burlage 2016 11 28.206 S 12.9 AQ 30.5T 139 1.0 3 BOU Burlage, Germany 2016 11 25.22 S 10.0 TK 20.3T 77 5 2/ GON Sierra de Tineo, Asturias 2016 11 4.82 S 12.7 AU 40.0L 144 0.7 4/ YOS Kita-karuizawa, Gunma (Bright and well visible.) 2016 11 1.70 S 12.8 AQ 25.0L 83 1 2/ WYA Walcha, NSW (Coma diffuse, slight brightening to centre. Does not enhance in Swan Band filter. Low altitude 16.0°.) 2016 10 27.21 S 10.1 TK 20.3T 100 5 2/ GON Pandorado, León (Some moonlight interference. Zodiacal light. Altitude 26°.) 2016 10 20.82 S 12.9 TA 40.0L 257 0.4 4 YOS Kita-karuizawa, Gunma (Moonlight. Comet looks better than expected.) 2016 10 11.73 M 12.8 AQ 25.0L 83 0.8 4 WYA Walcha, NSW (Coma diffuse, weakly condensed opaque centre offset to the East edge of the coma. Very faint tail visible approximately 1.7 in length in p.a. 303 deg. Low altitude 12.9°.) 2016 10 5.74 M 12.5 AQ 25.0L 83 0.8 4 WYA Walcha, NSW (Outer coma diffuse brightening to a weakly condensed but opaque centre and offset to the East edge of the coma. Low altitude 13.8°. Does not enhance in Swan Band filter.) 2016 10 5.138 S 11.7 AQ 30.5T 73 2.5 3 DIJ Burlage 2016 10 5.135 S 11.4 AQ 30.5T 73 2.1 2/ BOU Burlage, Germany (Altitude 13.0°. Some interference from zodiacal light.) 2016 10 3.19 S 9.5 TK 20.3T 77 6 2/ GON Alto del Castro, León (At 100x 0.3° tail in p.a. 290 deg. Zodiacal light. Altitude 20°.) 2016 9 29.19 S 9.5 TK 20.3T 77 6 2/ GON Alto del Castro, León (Zodiacal light. Altitude 20°.) 2016 9 27.75 M 12.1 AQ 25.0L 83 1.1 3/ WYA Walcha, NSW (Low altitude 11.5°. Does not enhance in Swan Band filter. Faint outer coma brightening to a weakly condensed centre. Slight interference from rising Moon.) 2016 9 13.132 S 11.0 AQ 30.5T 73 1.8 2 BOU Burlage, Germany (Comet very diffuse. Altitude 14.7°. Some interference from zodiacal light.) 2016 9 13.131 S 11.1 AQ 30.5T 73 1.8 3/ DIJ Burlage 2016 9 9.16 S 9.5 TK 20.3T 77 6 3 GON Alto del Trichero, León (Zodiacal light. Altitude 14°.) 2016 9 8.125 S 11.4 AQ 30.5T 73 1.5 2 DIJ Burlage 2016 9 8.123 S 11.1 AQ 30.5T 73 2.2 2 BOU Burlage, Germany (Comet very diffuse. Altitude 13.5°.) 2016 9 6.16 S 9.6 TK 20.3T 77 5 2/ GON Nogarejas, León (Zodiacal light. Altitude 14°.) 2016 8 30.17 S 9.8 TK 20.3T 77 5 2/ GON Pandorado, León (Zodiacal light. Altitude 15°.) 2016 8 12.79 M 12.3 AQ 25.0L 83 0.8 4 WYA Walcha, NSW (Low altitude 8.1°. Zodiacal light interference. Close to mag 9.8 star 1.4 away and 11.0 mag star 1 away. Motion tracked over 20 minute period. Does not enhance in Swan Band filter. Coma diffuse with moderately condensed centre. SQM reading at zenith was 21.84 averaged over 6 readings at -2C.) 2016 8 11.15 S 10.9 TK 20.3T 133 3 2/ GON Alto del Trichero, León (Beginning of astronomical twilight. Zodiacal light. Altitude 14°.)
lightcurve 2004 4 14.87 S 12.0 TK 20.3T 77 1.5 3 GON Puerto de Aralla, León (Zodiacal light.) 2004 4 14.79 S 12.5 HN 20.3L 63 1.2 3 GUZ Krosno 2004 4 11.844 S 12.0 TK 31.0J 89 1.2 2/ BOU Lauwersoog 2004 4 8.78 S 12.4 HN 20.3L 63 1.2 4 GUZ Krosno 2004 3 23.816 S 11.7 TK 25.4J 72 1.6 3/ BOU Bedum 2004 3 22.819 S 11.8 TK 25.4J 88 1.5 3 BOU Bedum 2004 3 22.817 S 11.7 TK 25.4J 88 1.2 2/ DIJ Bedum 2004 3 21.815 S 11.8 TK 25.4J 72 1.5 3/ BOU Bedum 2004 3 15.86 S 11.8 TK 20.3T 77 2 3 GON Puerto de Aralla, León (Zodiacal light.) 2004 3 13.830 S 11.7 TK 25.4J 88 1.7 4 DIJ Bedum 2004 3 13.822 S 11.9 TK 25.4J 88 1.2 3/ BOU Bedum 2004 2 23.796 S 11.9 AC 25.4J 88 1.1 3 DIJ Bedum 2004 2 23.791 S 12.1 AC 25.4J 88 1.4 3/ BOU Bedum 2004 2 22.797 S 12.0 AC 25.4J 72 1.6 3 BOU Bedum 2004 2 22.794 S 11.9 AC 25.4J 72 1.5 3 DIJ Bedum 2004 2 20.785 S 11.9 TK 25.4J 88 0.9 2/ DIJ Westerdijkshorn 2004 2 20.783 S 12.0 TK 25.4J 88 1.3 3 BOU Westerdijkshorn 2004 2 20.74 M 12.0 TK 20.3L 63 1.5 4 GUZ Krosno 2004 2 19.798 S 11.8 HN 25.4J 88 1.5 2/ DIJ Westerdijkshorn 2004 2 19.797 S 12.1 HN 25.4J 88 1.4 3 BOU Westerdijkshorn (Comparison stars taken from nearby Henden sequence of SN 2002ap.) 2004 2 17.799 S 11.7 HN 25.4J 88 1.8 3 DIJ Bedum 2004 2 17.798 S 11.9 HN 25.4J 88 1.5 3/ BOU Bedum (Comparison stars taken from nearby Henden sequence of SN 2002ap.) 2004 2 13.85 S 12.8 HS 40.7L 116 1.2 3 BIV Versailles 2004 2 11.76 M 12.0 TK 20.3L 63 1.2 4 GUZ Krosno (Comet visible without any trouble as small, moderately condensed object.) 2004 2 10.87 S 12.1 TK 20.3T 77 1.5 3 GON Sierra del Aramo, Asturias 2004 1 24.86 S 12.7 HS 40.7L 116 1.2 5 BIV Versailles 2004 1 24.845 aS 11.5 AC 25.4J 88 1 1/ DIJ Bedum 2004 1 24.833 aS 12.3 AC 25.4J 88 1.4 3 BOU Bedum 2004 1 19.90 S 12.6 TK 20.3T 100 1.5 3 GON Sierra del Aramo, Asturias 2004 1 11.71 S 12.3 TK 20.3L 63 1.0 4 GUZ Krosno (Easily visible object, brighter than two weeks ago.) 2003 12 25.78 S 12.6 HS 20.3L 63 1.0 4 GUZ Krosno 2003 12 24.68 S 12.6 HS 20.3L 63 1.0 4 GUZ Krosno (Easy target.) 2003 12 19.73 S 12.5:HS 20.3L 63 1.0 3 GUZ Krosno (Comet observed between clouds.) 2003 12 19.69 S 12.9 AC 40.6L 121 1.2 3 RES Szamotuly 2003 12 18.826 S 12.8 SK 31.0J 109 1.0 2/ DIJ Sint Annen 2003 12 18.822 S 12.7 SK 31.0J 109 1.1 4 BOU Sint Annen 2003 12 18.77 S 13.0 AC 40.6L 121 1.0 3 RES Szamotuly 2003 12 16.91 S 12.5 TK 20.3T 100 1 3 GON Villasecino, León 2003 11 28.845 S 12.8 AC 31.0J 109 0.9 2/ DIJ Sint Annen 2003 11 28.844 S 13.2 AC 31.0J 109 1.0 3/ BOU Sint Annen 2003 11 14.79 S 13.2 HS 20.3L 63 0.8 3 GUZ Krosno 2003 11 12.46 S 13.3 LM 25.4L 114 SEA Cowra, NSW 2003 10 28.76 S 13.3 HS 20.3L 63 0.8 3 GUZ Krosno (Easy, moderately condensed object. NEL=6.5.) 2003 10 26.928 S 13.5 AC 31.0J 143 0.8 3/ BOU Sint Annen 2003 10 24.859 S 13.6 AC 31.0J 143 0.7 4 BOU Sint Annen 2003 10 23.845 S 13.4 AC 31.0J 143 1.1 4 DIJ Sint Annen 2003 10 23.844 S 13.6 AC 31.0J 143 0.8 4 BOU Sint Annen 2003 10 18.842 S 13.5 AC 31.0J 143 0.8 4 DIJ Lauwersoog 2003 10 18.841 S 13.7 AC 31.0J 143 0.7 3/ BOU Lauwersoog 2003 10 18.83 S 13.5:HS 20.3L 108 0.6 2 GUZ Krosno (Very faint, at the limit of visibility, NEL=~6.8) 2003 9 29.926 S 14.3 AC 31.0J 143 0.6 4 DIJ Sint Annen 2003 9 29.924 S 13.8 AC 31.0J 143 0.6 4 BOU Sint Annen 2003 9 26.088 S 13.8 AC 31.0J 143 0.7 4 BOU Sint Annen 2003 9 25.97 S 13.6:HS 20.3L 108 0.6 2 GUZ Krosno (Close to 14.5 mag star. Motion confirmed during 1-hour period. NEL=~7.0.) 2003 9 21.93 S 13.7:HS 20.3L 108 0.5 2 GUZ Krosno (Very faint object, visible thanks to excellent conditions - NELM=6.8.) 2003 9 6.01 S[13.5 HS 20.3L 63 !0.5 GUZ Krosno