* * * 29P/Schwassmann-Wachmann 1 * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2019 5 31.11 S 11.2 AQ 20.3T 100 2 2/ GON Pandorado, León (In evolution after the recent outburst. Altitude 12°. Beginning of astronomical twilight.) 2019 5 8.78 S 13.7 AQ 25.0L 83 0.5 6 WYA Walcha, NSW (Low altitude 13.9°. Difficult, zodiacal light interference. Coma small, faint stellar centre visible in good seeing.) 2019 1 25.80 S 10.0 TK 20.3T 100 7 1 GON Villacintor, León (Faint and diffuse outer coma, remnant of previous outbursts. Altitude 24°.) 2019 1 6.80 S 10.1 TK 20.3T 77 6 1 GON Alto del Castro - Aralla, León (Faint and diffuse outer coma, remnant of previous outbursts. Several stars inside the coma, the brightest being mag. 12.5 [AQ].) 2019 1 1.81 S 10.1 TK 20.3T 77 7 1 GON Alto del Castro - Aralla, León (Faint and diffuse outer coma, remnant of previous outbursts.) 2018 12 27.44 I[14.6 AQ 25.0L 83 WYA Walcha, NSW 2018 12 7.44 S 13.0 AQ 25.0L 83 1.5 3 WYA Walcha, NSW (Very diffuse, poor seeing.) 2018 12 6.78 S 10.3 TK 20.3T 77 6 2 GON Alto del Castro - Aralla, León (Faint and diffuse outer coma, remnant of previous outbursts. Several stars inside this outer coma, the brightest being mag. 11.5 [TK]. Brighter inner coma diameter 1.3' at 133x, providing m=12.7 [AQ]. In evolution after the recent outburst.) 2018 12 1.39 S 12.8 TA 40.0L 144 1.2 2 YOS Kita-karuizawa, Gunma (I felt the condensation weak probably due to the thin clouds.) 2018 11 30.39 S 12.5 TA 40.0L 144 1.3 5 YOS Kita-karuizawa, Gunma (Because just after a new outburst, well condensed, bright and easy to see.) 2018 11 26.43 M 13.3 AQ 25.0L 83 1.2 5/ WYA Walcha, NSW (Very faint stellar pseudo-nucleus, diffuse outer coma. Post outburst.) 2018 11 11.43 S 12.9 AQ 25.0L 83 1.9 2 WYA Walcha, NSW (Very diffuse. Difficult. Moonlight.) 2018 11 8.47 S 12.3 AQ 25.0L 39 4 2 WYA Walcha, NSW (Difficult. Interference by magnitude 12.7 star in coma. Coma large and diffuse.) 2018 11 3.84 S 10.4 TK 20.3T 100 5 2 GON Pandorado, León (Faint and diffuse outer coma. This outer coma is a remnant of previous outbursts.) 2018 11 3.40 S 12.5 AQ 25.0L 83 2.1 2 WYA Walcha, NSW (Coma diffuse, weakly condensed opaque centre.) 2018 11 1.54 S 12.3 AQ 40.6L 76 3.0 1/ CAM Katherine, NT 2018 10 30.43 S 12.3 AQ 25.0L 83 2.2 3 WYA Walcha, NSW (Coma very diffuse. Close to stars. Weakly condensed and opaque centre.) 2018 10 29.43 S 12.2 AQ 25.0L 83 2.8 2/ WYA Walcha, NSW (Very diffuse coma with slightly brighter and weakly condensed centre. Close to mag 10.5 star.) 2018 10 27.42 S 12.2 AQ 25.0L 83 2.3 2/ WYA Walcha, NSW (Coma very diffuse, slight hint of brightening to centre but weakly condensed.) 2018 10 20.10 S 10.0 TK 20.3T 100 6 2/ GON Alto del Castro, León (In evolution after the recent outbursts. Faint and diffuse outer coma. Altitude 11°.) 2018 10 16.02 S 10.2 TK 20.3T 77 6 2/ GON Alto del Castro, León (In evolution after the recent outbursts. Brighter inner coma diameter 3', providing m=11.5 [AQ]. Faint and diffuse outer coma. Several stars inside the coma, the brightest being mag. 13.4 [AQ].) 2018 10 11.61 M 12.0 AQ 40.6L 76 3.0 3 CAM Katherine, NT 2018 10 10.813 S 11.8 AQ 25.4J 72 2 3 BOU Sint Annen 2018 10 9.819 S 11.8 AQ 25.4J 72 2.2 3/ BOU Sint Annen 2018 10 9.55 M 12.0 AQ 40.6L 76 3.5 3 CAM Katherine, NT 2018 10 8.43 M 11.9 AQ 25.0L 39 2.7 4 WYA Walcha, NSW (Post outburst. Does not enhance in Swan Band filter. Coma circular, opaque centre, moderately condensed. Semi-transparent outer coma.) 2018 10 7.57 M 11.4 AQ 40.6L 76 2.5 3/ CAM Katherine, NT 2018 10 7.44 S 12.2 TA 40.0L 75 1.6 3 YOS Kita-karuizawa, Gunma (It was amazing to see such bright 29P! Large and easy to see.) 2018 10 6.54 M 11.7 AQ 40.6L 76 1.7 3/ CAM Katherine, NT 2018 10 6.53 S 12.2 TA 40.0L 75 1.6 5 YOS Kita-karuizawa, Gunma 2018 10 5.804 S 11.5 AQ 25.4J 72 1.7 3/ BOU Lauwersoog 2018 10 3.87 S 10.3 TK 20.3T 100 4 3 GON Alto del Castro, León (In evolution after the recent outburst. Brighter inner coma diameter 1.2', providing m=11.4 [AQ]. Faint and diffuse outer coma diameter 4', providing m=10.3 [TK].) 2018 10 4.46 M 12.0 AQ 40.6L 76 2.5 4 CAM Katherine, NT 2018 10 3.57 M 12.1 AQ 40.6L 76 2.0 5 CAM Katherine, NT 2018 10 1.54 M 11.6 AQ 40.6L 76 2.0 4/ CAM Katherine, NT 2018 10 1.42 M 12.2 AQ 25.0L 83 1.6 5/ WYA Walcha, NSW (Post outburst. Coma circular, semi-transparent outer coma. Opaque inner coma, faint stellaring visible in good seeing. No enhancement with Swan Band filter.) 2018 9 30.46 M 11.8 AQ 40.6L 76 2.5 4 CAM Katherine, NT 2018 9 29.45 M 12.0 AQ 40.6L 76 2.5 4/ CAM Katherine, NT 2018 9 28.45 M 12.2 AQ 40.6L 76 2.0 5 CAM Katherine, NT 2018 9 27.45 M 12.0 AQ 40.6L 76 1.0 6 CAM Katherine, NT 2018 9 27.39 M 12.2 AQ 25.0L 83 1.7 5/ WYA Walcha, NSW (Post outburst. Does not enhance in Swan Band filter. Faintly stellar in good seeing. Visible at 39x but better resolved at 83x.) 2018 9 23.18 I 12.4 AQ 20.3T 100 0.3 8 GON Alto del Castro, León (In outburst. Brighter inner coma diameter 0.3', providing m=12.4 [AQ]. Faint and diffuse outer coma diameter 4', providing m=10.5:[TK]. This faint outer coma is a remnant of previous outbursts.) 2018 9 22.49 M 12.6 AQ 40.6L 266 0.8 6 CAM Katherine, NT 2018 9 19.05 S 20.3T 77 GON Aralla, León (Faint and diffuse outer coma diameter 5', providing m=11.1: [AQ]. This faint outer coma is a remnant of previous outbursts.) 2018 9 18.72 I[14.1 AQ 25.0L 83 WYA Walcha, NSW 2018 9 9.96 S 20.3T 77 GON Aralla, León (Faint and diffuse outer coma diameter 6', providing m=10.8: [TK]. This faint outer coma is a remnant of previous outbursts.) 2018 9 8.40 I[14.3 AQ 25.0L 83 WYA Walcha, NSW 2018 9 5.57 I[14.8 AQ 40.6L 165 CAM Katherine, NT 2018 9 1.91 S 20.3T 77 GON Alto del Castro, León (Brighter inner coma magnitude was difficult to estimate due to close mag. 11.7 [AQ] star. Faint and diffuse outer coma diameter 5', providing m=10.8: [TK]. This faint outer coma is a remnant of previous outbursts.) 2018 8 31.53 I[15.0 AQ 40.6L 165 CAM Katherine, NT 2018 8 20.09 S 20.3T 77 GON Alto del Castro, León (In evolution after the recent minor outburst. Brighter inner coma magnitude was difficult to estimate due to close mag. 11.7 [TK] star. Faint and diffuse outer coma, diameter 5', providing m=10.7: [TK]. This faint outer coma is a remnant of previous outbursts.) 2018 8 18.72 S 14.1 AQ 25.0L 83 0.8 2 WYA Walcha, NSW (Coma very diffuse, difficult. Slightly brighter in centre.) 2018 8 15.72 S 14.0 AQ 25.0L 83 0.9 2 WYA Walcha, NSW (Very diffuse.) 2018 8 15.00 S 13.2 AQ 20.3T 100 0.9 5 GON Alto del Castro, León (In evolution after the recent minor outburst. Brighter inner coma diameter 0.9', providing m = 13.2. Faint and diffuse outer coma diameter 3'.5, providing m = 11.3: [AQ]. This faint outer coma is a remnant of previous outbursts.) 2018 8 13.79 S 14.0 AQ 40.6L 266 1.5 2 CAM Katherine, NT 2018 8 12.80 S 14.2 AQ 40.6L 165 1.5 2 CAM Katherine, NT 2018 8 10.80 S 14.0 AQ 40.6L 266 1.5 1/ CAM Katherine, NT 2018 8 9.80 S 14.2 AQ 40.6L 266 1.0 2 CAM Katherine, NT 2018 8 8.73 S 14.1 AQ 25.0L 83 0.7 2/ WYA Walcha, NSW (Very diffuse.) 2018 8 8.12 S 13.5 AQ 20.3T 100 0.7 6 GON Alto del Castro, León (Observed after the recent minor outburst. Wider faint outer coma [diameter 3'] remnant from previous outbursts.) 2018 8 7.79 M 14.0 AQ 40.6L 165 0.8 5 CAM Katherine, NT 2018 8 6.61 S 14.0 AQ 25.0L 83 1 2/ WYA Walcha, NSW (Coma very diffuse. No stellaring visible. Limiting magnitude 15.0 [star in-focus].) 2018 7 23.76 I[14.9 AQ 25.0L 83 WYA Walcha, NSW 2018 7 22.83 I[14.9 AQ 40.6L 165 CAM Katherine, NT 2018 7 22.11 S 12.0 AQ 20.3T 77 2.5 1/ GON Quintanilla de los Oteros, León (Field stars checked in DSS.) 2018 7 21.81 I[15.0 AQ 40.6L 165 CAM Katherine, NT 2018 7 20.81 I[14.9 AQ 40.6L 165 CAM Katherine, NT 2018 7 20.74 I[14.9 AQ 25.0L 83 WYA Walcha, NSW 2018 7 18.76 I[14.9 AQ 25.0L 83 WYA Walcha, NSW 2018 7 18.06 S 12.3 AQ 20.3T 100 2.5 1/ GON Alto del Castro, León (From dark mountain skies the comet shows a faint and very diffuse coma, remnant of previous outbursts. Field stars checked in DSS. Altitude 38°.) 2018 7 16.80 I[15.4 AQ 40.6L 165 CAM Katherine, NT 2018 7 16.74 I[14.9 AQ 25.0L 83 WYA Walcha, NSW 2018 7 13.73 I[14.9 AQ 25.0L 83 WYA Walcha, NSW 2018 7 13.71 S[13.5 AU 40.0L 144 !0.8 YOS Kita-karuizawa, Gunma 2018 7 11.74 I[14.2 AQ 25.0L 83 WYA Walcha, NSW 2018 7 10.75 I[15.8 AQ 40.6L 165 CAM Katherine, NT 2018 7 9.63 I[14.9 AQ 25.0L 166 WYA Walcha, NSW 2018 7 8.78 I[14.6 AQ 40.6L 165 CAM Katherine, NT 2018 6 23.80 I[15.3 AQ 40.6L 165 CAM Katherine, NT 2018 6 22.78 I[15.1 AQ 25.0L 166 WYA Walcha, NSW 2018 6 13.77 I[15.0 AQ 25.0L 166 WYA Walcha, NSW 2018 6 12.75 I[15.0 AQ 25.0L 166 WYA Walcha, NSW 2018 6 11.70 I[14.6 AQ 25.0L 166 WYA Walcha, NSW 2018 5 25.75 I[14.5 AQ 25.0L 83 WYA Walcha, NSW 2018 5 21.75 I[15.0 AQ 25.0L 83 WYA Walcha, NSW 2018 5 19.75 I[14.7 AQ 25.0L 83 WYA Walcha, NSW 2018 5 18.76 I[14.6 AQ 25.0L 83 WYA Walcha, NSW 2017 10 26.38 S 12.9 AU 40.0L 144 0.9 2/ YOS Kita-karuizawa, Gunma (Well visible even in the moonlight.) 2017 10 22.88 S 11.5 AQ 20.3T 100 2 2/ GON Alto del Castro - Aralla, León (Brighter inner coma diameter : 2', providing m=11.5 [AQ]. Faint and diffuse outer coma diameter : 4', providing m=10.3: [TK]. Remnant of previous outbursts. Field stars checked in DSS. Altitude 29°. 2017 10 19.46 S 12.0 AQ 25.0L 83 3.7 1 WYA Walcha, NSW (Coma very diffuse, appears as a misty patch just above sky background threshold. Just visible at 39x so coma diameter may even be slightly larger.) 2017 10 13.81 S 11.7 AQ 20.3T 100 2.0 2/ GON Alto del Castro - Aralla, León (Brighter inner coma diameter : 2.0', providing m=11.7 [AQ]. Faint and diffuse outer coma diameter : 3'.5, providing m=10.5: [TK]. Remnant of previous outbursts. Field stars checked in DSS. Altitude 33°. 2017 10 12.41 S 12.2 AQ 25.0L 83 1.8 2 WYA Walcha, NSW (Coma very diffuse, slight brightening to centre. Pale blue in colour.) 2017 9 27.60 S 11.9 AQ 25.0L 39 3 2 WYA Walcha, NSW (Coma very diffuse.) 2017 9 25.49 S[13.4 AU 40.0L 257 !0.8 YOS Kita-karuizawa, Gunma (I heard the comet is bright now. But unexpectedly, not visible. Probably involved with two nearby 14th mag stars.) 2017 9 22.46 S 11.9 AQ 25.0L 39 3 2/ WYA Walcha, NSW (Coma diffuse, weakly condensed opaque centre.) 2017 9 19.44 S 11.7 AQ 25.0L 39 3 2/ WYA Walcha, NSW (Does not enhance in Swan Band filter. Coma diffuse with slightly brighter and opaque centre.) 2017 9 15.87 S 11.5 AQ 20.3T 100 2.0 4 GON Cruce de Aralla - Embalse de Barrios de Luna, León (In evolution after the recent outbursts. Starlike central condensation, m2=14.0: [AQ]. Brighter inner coma diameter : 2.0', providing m=11.5. Faint and diffuse outer coma diameter : 3'.5, providing m=10.3: [TK], remnant of previous outbursts. Field stars checked in DSS. Altitude 32°.) 2017 9 15.44 S 11.7 AQ 25.0L 39 2.5 3 WYA Walcha, NSW (Outer coma diffuse, opaque centre. Does not enhance in Swan Band filter.) 2017 9 11.05 S 11.3 AU 22.0L 160 2 4 GOI Araçatuba 2017 9 7.94 S 11.2 AU 22.0L 160 2 4/ GOI Araçatuba 2017 9 1.72 M 12.1 AQ 25.0L 83 0.9 5 WYA Walcha, NSW (Post-outburst. Does not enhance in Swan Band filter. Opaque centre, fuzzy semi-transparent outer coma. Low altitude 19.1°.) 2017 9 1.04 S 11.7 AQ 20.3T 133 0.6 7 GON Alcuetas - Villabraz, León (After new outburst. Starlike central condensation : m2=12.5:. Brighter inner coma diameter : 0.6', providing m=11.7. Faint and diffuse outer coma was glimpsed, from a lower location than in my previous Aug. 25.00 UT observation. Field stars checked in DSS. Altitude 26°.) 2017 8 31.967 M 11.9 AQ 30.5T 102 0.5 5 BOU Burlage, Germany (Easily visible close to a magn. 11.5 star. Altitude 21°.) 2017 8 31.966 S 12.2 AQ 30.5T 102 1.2 6 DIJ Burlage 2017 8 30.68 M 12.0 AQ 25.0L 83 0.4 7 WYA Walcha, NSW (Post-outburst. Close to 12th magnitude star. Coma dims in Swan Band filter.) 2017 8 25.00 S 12.5 AQ 20.3T 133 0.7 6 GON Puerto del Pando - Prioro, León (In outburst. Starlike central condensation : m2=13.7 [AQ]. Brighter inner coma diameter : 0.7', providing m=12.5 [AQ]. Faint and diffuse outer coma diameter : 3', providing m=10.5: [TK]. This faint 3' outer coma, remnant of previous outbursts, was also observed in pre-outburst dates : Aug. 16.91 and 20.92 UT. Field stars checked in DSS. Altitude 33°.) 2017 8 23.45 S 13.9 AQ 25.0L 83 1.1 2 WYA Walcha, NSW (Very diffuse.) 2017 8 19.46 S 13.9 AQ 25.0L 83 0.8 2 WYA Walcha, NSW (Coma very diffuse.) 2017 8 14.45 S 13.9 AQ 25.0L 83 1.1 1 WYA Walcha, NSW (Coma very diffuse, just above background threshold.) 2017 8 1.79 S 14.0 AQ 40.6L 260 0.8 1 CAM Katherine, NT 2017 8 1.73 S 13.4 AQ 25.0L 83 1 3 WYA Walcha, NSW (Coma diffuse.) 2017 7 30.78 S 14.3 AQ 40.6L 260 0.7 1 CAM Katherine, NT 2017 7 27.57 S 14.0 AQ 40.6L 260 1.0 1 CAM Katherine, NT 2017 7 25.76 S 13.2 AQ 25.0L 83 1.2 2 WYA Walcha, NSW (Coma diffuse with slight brightening to centre.) 2017 7 24.74 S 13.6 AQ 25.0L 83 0.7 2 WYA Walcha, NSW (Difficult, close to pairing of stars.) 2017 7 24.58 S 14.0 AQ 40.6L 260 1.0 0 CAM Katherine, NT 2017 7 5.77 M 13.3 AQ 25.0L 83 0.8 6 WYA Walcha, NSW (Post outburst. Does not enhance in Swan Band filter. Stellar central condensation.) 2017 7 2.06 S 12.2 AQ 20.3T 133 1.8 3/ GON Alto del Castro - Aralla, León (In outburst. Starlike central condensation. The observed coma is the result of the recent previous minor outbursts. Field stars checked in DSS.) 2017 6 30.65 S 12.4 AQ 25.0L 83 1.7 3 WYA Walcha, NSW (Post outburst. Coma weakly condensed and opaque at centre, diffuse outer coma.) 2017 6 26.52 S 13.5 AQ 25.0L 83 0.8 1/ WYA Walcha, NSW (Coma very diffuse, faint. Low altitude 16.6°.) 2017 6 22.75 S 13.5 AQ 25.0L 83 1 2 WYA Walcha, NSW (Diffuse patch of light, slightly brighter in centre.) 2017 5 29.75 S 13.3 AQ 25.0L 83 1.1 2 WYA Walcha, NSW (Coma diffuse.) 2017 5 6.76 S 13.5 AQ 25.0L 83 1 2/ WYA Walcha, NSW (Coma diffuse, slightly brighter and weakly condensed centre.) 2017 5 4.76 S 12.5 AU 40.0L 144 1.2 1 YOS Kita-karuizawa, Gunma (Visible visually. Diffuse.) 2017 4 30.77 S 13.0 AQ 40.6L 165 1.0 2 CAM Warners Bay, NSW 2017 4 28.75 S 13.2 AQ 40.6L 165 0.8 3 CAM Warners Bay, NSW 2017 4 28.74 M 13.6 AQ 25.0L 83 0.5 5/ WYA Walcha, NSW (Does not enhance in Swan Band filter. Coma appears circular and diffuse, opaque at the centre with a faint and sometimes stellar central condensation. Post outburst.) 2017 4 28.15 I 13.1 AQ 20.3T 133 0.4 7 GON Puerto de Aralla, León (In outburst. Field stars checked in DSS. Altitude 11°.) 2017 4 5.75 I[14.9 AQ 25.0L 166 WYA Walcha, NSW 2017 3 27.74 I[14.4 AQ 25.0L 83 WYA Walcha, NSW (Limiting magnitude 14.7.) 2016 12 1.43 I[14.3 AQ 25.0L 166 WYA Walcha, NSW (Comet not visible. Altitude 17.8°.) 2016 11 22.42 I[13.6 AQ 25.0L 166 WYA Walcha, NSW (Not visible.) 2016 11 16.77 S 12.5 AQ 20.3T 133 0.9 3 GON Gamoniteiro - Sierra del Aramo, Asturias (Field stars checked in DSS. Altitude 17°.) 2016 11 4.42 S 13.0 AQ 40.6L 165 0.8 2 CAM Warners Bay, NSW 2016 11 4.40 S 12.3 AU 40.0L 144 0.9 1 YOS Kita-karuizawa, Gunma (Diffuse, but it seems to be brighter than I have expected.) 2016 11 2.48 S 13.0 AQ 25.0T 122 0.8 2/ WYA Kirby Observatory, Armidale, NSW (Coma diffuse, slight brightening to centre.) 2016 11 1.42 S 12.9 AQ 25.0L 166 0.5 2 WYA Walcha, NSW (Coma diffuse, slight brightening to centre. Comet closely sandwiched between two stars of 13th magnitude.) 2016 10 31.42 S 13.0 AQ 25.0L 166 0.6 2/ WYA Walcha, NSW (Close to mag 7.8 star, 1.6 away. Inner coma diffuse and opaque, fading to edges. Does not enhance in Swan Band filter.) 2016 10 26.80 M 12.7 AQ 20.3T 133 0.2 7 GON Pandorado, León (Outburst. Field stars checked in DSS. Altitude 19°.) 2016 10 26.41 S 12.0 AQ 40.6L 165 0.5 6 CAM Warners Bay, NSW 2016 10 25.47 M 12.6 AQ 25.0L 166 0.2 6/ WYA Walcha, NSW (Outburst. Observation made difficult due to glare from Mars in the field and a 10.4 magnitude star 0.8 away. Coma shows star-like central condensation, with an opaque and whitish coloured outer coma. Coma does not enhance in Swan Band filter but central condensation is still visible with filter applied.) 2016 10 24.42 M 13.8 AQ 25.0L 166 0.4 5/ WYA Walcha, NSW (Coma centre sometimes appears faintly stellar in good seeing. Close to magn. 12.0 star, 0.8 away. Coma appears circular and slightly whitish in colour, outer coma opaque with a well condensed centre.) 2016 10 23.41 M 14.1 AQ 25.0L 166 0.3 8 WYA Walcha, NSW (Coma shows star-like central condensation with a very small fuzzy outer coma. Does not enhance in Swan Band filter.) 2016 10 19.42 I[14.8 AQ 25.0L 83 WYA Walcha, NSW 2016 10 18.40 I[14.5 AQ 25.0L 83 WYA Walcha, NSW 2016 10 4.43 I[14.5 AQ 25.0L 166 WYA Walcha, NSW 2016 9 28.39 I[14.1 AQ 25.0L 166 WYA Walcha, NSW (Sky slightly hazy from smoke.) 2016 9 26.40 I[15.1 AQ 25.0L 166 WYA Walcha, NSW 2016 9 1.49 S[14.4 UV 40.0L 257 !0.8 YOS Kita-karuizawa, Gunma (I expected to see it because it was reported bright in early August. But actually, I could not see the comet due to the nearby magn. 13.9 and 14.4 stars.) 2016 8 12.70 S 13.8 AQ 25.0L 83 0.6 1 WYA Walcha, NSW (Coma very diffuse.) 2016 8 11.01 S 12.0 AQ 20.3T 133 1.5 3 GON Alto del Trichero, León (The expanding coma appears to be undoubtedly wider, but the faint outer region is difficult to observe in the dense star field.) 2016 8 2.04 S 10.8 AU 22.0L 60 3 2 GOI Araçatuba 2016 8 1.91 S 12.3 AQ 20.3T 133 0.8 6 GON Cueto Rosales, León (In evolution after the recent new outburst.) 2016 7 31.920 S 13.0 AQ 30.5T 139 0.5 5 BOU Burlage, Germany (Small, well condensed object. Low altitude 11.2°.) 2016 7 31.917 S 13.1 AQ 30.5T 139 0.5 6/ DIJ Burlage 2016 7 31.41 M 13.2 AQ 25.0L 83 0.8 6 WYA Walcha, NSW (Coma appears slightly elongated to the NW. Stellar central condensation.) 2016 7 30.48 M 13.0 AQ 25.0L 83 0.5 6 WYA Walcha, NSW (Outer coma diffuse and brightening to an opaque inner coma with stellar central condensation. Outer coma dims in Swan Band filter. Central condensation barely visible.) 2016 7 29.45 M 13.1 AQ 25.0L 83 0.2 7 WYA Walcha, NSW (Stellar central condensation surrounded by a faint outer coma. Disappears with Swan Band filter applied. Visible at 39x but best viewed at 83x for magnitude estimate.) 2016 7 29.00 I 12.9 AQ 20.3T 133 0.4 8 GON Pandorado, León (Strongly condensed after the recent new outburst.) 2016 7 28.42 B 13.1 AQ 25.0L 83 9 WYA Walcha, NSW (Outburst! Coma stellar. Almost completely disappears in Swan Band filter.) 2016 7 2.51 I[14.8 AQ 25.0L 166 WYA Walcha, NSW (Comet not visible at 166x. Stellar limiting magnitude 14.5 and fainter.) 2016 6 28.52 I[14.9 AQ 25.0L 166 WYA Walcha, NSW (Comet not visible. Limiting magnitude 15.0 and fainter.) 2016 6 8.72 M 14.2 AQ 25.0L 166 0.8 5/ WYA Walcha, NSW (Coma appears diffuse. Close to 13th mag star 0.5 away. Semi-opaque outer coma condenses to an opaque pale aqua-blue coloured centre which appears moderately condensed but not quite stellar. Difficult to track in the dobsonian telescope near zenith at high magnification. Not visible at 83x.) 2016 5 30.52 I[14.4 AQ 25.0L 166 WYA Walcha, NSW (Not visible. Stellar limiting magnitude = 14.4. Comet fainter than limiting magnitude.) 2015 11 6.42 I[14.5 AQ 25.0L 166 WYA Walcha, NSW (Comet not visible, crowded star field, zodiacal light, very difficult. Limiting magnitude = 14.5.) 2015 10 9.43 S 12.6 AQ 25.0L 83 1 1 WYA Walcha, NSW (Coma very diffuse. Close to magn. 13.4 star.) 2015 10 5.42 S 12.3 AQ 25.0L 83 1.1 2/ WYA Walcha, NSW (Sky slightly hazy. Coma diffuse with transparent outer coma, inner coma weakly condensed but opaque.) 2015 10 3.43 S 13.2 AQ 25.0L 83 1 2/ WYA Walcha, NSW (Does not enhance in Swan Band filter. Faint outer coma with a diffuse inner coma of even surface brightness.) 2015 10 2.40 M 12.2 AQ 40.6L 165 1 4 CAM Warners Bay, NSW 2015 9 28.45 M 12.2 AQ 40.6L 165 0.2 7 CAM Warners Bay, NSW 2015 9 22.41 M 13.0 AQ 25.0L 166 0.2 6 WYA Walcha, NSW (Moonlight. Outburst. Coma does not enhance using Swan Band filter. Faint stellar central condensation, approximate m2 = 13.3. Limiting magnitude = 14.0. Coma pale blue in colour.) 2015 8 10.39 S 12.1 AQ 25.0L 83 2.7 0/ WYA Walcha, NSW (Coma very diffuse and semi-transparent. Pale blue in colour. No enhancement in Swan Band filter.) 2015 8 10.38 M 12.4 AQ 40.6L 165 1 0 CAM Warners Bay, NSW 2015 8 8.91 S 12.3 AQ 20.3T 133 1.1 2/ GON Cueto Rosales, León (In evolution after the new outburst.) 2015 8 7.37 S 11.9 AQ 25.0L 83 0.9 2 WYA Walcha, NSW (Coma does not enhance in Swan Band filter, circular in appearance, very diffuse and pale blue in colour.) 2015 8 3.38 M 12.0 AQ 40.6L 165 1.6 0 CAM Warners Bay, NSW 2015 7 26.62 M 12.0 AQ 40.6L 165 0.4 5 CAM Warners Bay, NSW 2015 7 24.60 I 11.8 AQ 40.6L 76 0.1 9 CAM Warners Bay, NSW 2015 7 17.56 M 12.6 AQ 40.6L 165 1.5 3 CAM Warners Bay, NSW 2015 7 16.46 M 12.8 AQ 40.6L 165 1 4 CAM Warners Bay, NSW 2015 7 13.95 I 13.5 AQ 20.3T 222 0.5 8 GON Santiago Millas, León (Strongly condensed after the recent new outburst.) 2015 7 13.43 M 12.9 AQ 40.6L 165 0.5 6 CAM Warners Bay, NSW 2015 7 12.39 M 13.3 AQ 40.6L 260 0.3 7 CAM Warners Bay, NSW 2015 6 22.71 S 13.4 AQ 25.0L 83 1.0 1 WYA Walcha, NSW (Difficult. Coma very diffuse, crowded star field.) 2015 6 19.63 S 13.0 AQ 25.0L 83 1.1 2/ WYA Walcha, NSW (Difficult. Coma very diffuse with slightly brighter but weakly condensed centre.) 2015 5 31.80 S 12.5 AQ 40.6L 165 3.0 1 CAM Warners Bay, NSW 2015 5 25.74 S 12.0 AQ 40.6L 76 2.0 0 CAM Warners Bay, NSW 2015 5 23.76 S 12.0 AQ 40.6L 165 2.0 1 CAM Warners Bay, NSW 2015 5 16.55 S 11.8 AQ 40.6L 76 1.4 1 CAM Warners Bay, NSW 2015 5 16.21 S 11.3 AU 22.0L 120 1.5 4 GOI Araçatuba 2015 5 16.09 S 11.6 AQ 20.3T 100 1.0 6 GON Cueto Rosales, León (In evolution after the recent outburst.) 2015 5 15.76 S 12.0 AQ 40.6L 76 1.2 2 CAM Warners Bay, NSW 2015 5 14.71 M 12.1 AQ 25.0L 83 1 3/ WYA Walcha, NSW (Coma does not enhance in Swan Band filter. Outer coma diffuse, inner coma weakly condensed with a slightly brighter central condensation, pale blue in colour.) 2015 5 13.77 S 11.8 AQ 40.6L 76 1.2 3 CAM Warners Bay, NSW 2015 5 12.77 S 12.0 AQ 40.6L 165 1.4 2 CAM Warners Bay, NSW 2015 5 12.48 M 12.0 AQ 25.0L 83 0.8 3/ WYA Walcha, NSW (Coma small, surface brightness across the coma is almost even, with a slightly brighter centre and faint outer coma. Inner coma faintly visible in Swan Band filter but otherwise the coma does not enhance overall.) 2015 5 12.14 M 11.2 AU 22.0L 160 1.25 5 GOI Araçatuba 2015 5 11.75 S 11.8 AQ 40.6L 165 1.2 3 CAM Warners Bay, NSW 2015 5 11.47 M 11.7 AQ 25.0L 83 0.7 4 WYA Walcha, NSW (Coma round and diffuse. Inner coma [about 0.5 dia] even in surface brightness and opaque, outer coma thin and transparent, pale aqua-blue in colour. Does not enhance in Swan Band filter.) 2015 5 10.76 S 11.5 AQ 40.6L 165 1.0 4 CAM Warners Bay, NSW 2015 5 10.46 M 11.8 AQ 25.0L 83 0.5 6 WYA Walcha, NSW (Coma round and diffuse. Small faint stellar centre with a broad opaque inner coma and a small transparent fuzzy outer coma edge. Slightly elongated to the NW. At 166x, the coma is more evenly diffused like a DC of 2, the surface brightness is quite bright, opaque and even across 4/5ths of the coma diameter. Coma is greyish/pale-blue in colour at centre and fading at the edges where it is more transparent.) 2015 5 9.77 S 11.6 AQ 40.6L 165 0.8 4 CAM Warners Bay, NSW 2015 5 8.79 M 11.7 AQ 25.0L 83 0.6 6 WYA Walcha, NSW (Moonlight. Stellar central condensation with faint diffuse outer coma. Does not enhance in Swan Band filter.) 2015 5 8.75 S 11.9 AQ 40.6L 165 0.5 5 CAM Warners Bay, NSW 2015 5 8.42 M 11.8 AQ 25.0L 83 0.5 6 WYA Walcha, NSW (Low altitude 9.1°. Coma does not enhance in Swan Band filter. Coma small and round in appearance, stellar centre whitish in colour with pale blue-grey fuzzy outer coma. At 166x the central condensation is more smeared like a DC of 3. The coma centre is near a magn. 12.9 star [0.2 away in p.a. 354 according to Guide 9.0], but it was not easily distinguishable from the coma centre visually.) 2015 5 7.78 S 12.0 AQ 40.6L 165 0.3 5 CAM Warners Bay, NSW 2015 5 7.53 M 12.1 AQ 25.0L 166 0.3 5/ WYA Walcha, NSW (Moonlight. Coma round in appearance, small, pale blue in colour, with disc-like central condensation sometimes appearing stellar in good seeing. Does not enhance in Swan Band filter. Comet in outburst.) 2014 10 2.39 S 13.7:AU 25.0L 166 0.4 2/ WYA Walcha, NSW (Moonlight. Coma very small and diffuse. Very difficult to see due to scintillation and moonlight. Magnitude uncertain. Looks like a hazy patch with a small and sometimes stellar central condensation, elongated to the East approximately.) 2014 5 27.10 S 12.4 AU 22.0L 160 1.5 2 GOI Araçatuba 2014 5 26.38 S 13.8 AQ 25.0L 83 0.8 1 WYA Walcha, NSW (Very difficult to see, close to bright stars. Visible in periods of good seeing. Slight hazy conditions.) 2014 5 22.41 S 12.8 AQ 25.0L 83 1.4 2 WYA Walcha, NSW (Coma diffuse. Diffused central condensation, observed between 2 bright stars but quite noticeable. Hazy conditions.) 2014 5 21.42 S 12.5 AQ 25.0L 83 1.8 1/ WYA Walcha, NSW (Coma appears quite diffuse with a very weakly condensed inner coma.) 2014 5 5.76 S 12.5 TJ 40.6L 165 0.5 2 CAM Warners Bay, NSW 2014 5 3.70 I 13.0 AU 40.0L 257 9 YOS Kita-karuizawa, Gunma (Completely stellar. There are many 13-mag stars around the comet.) 2014 3 12.73 S 13.1 AQ 25.0L 83 0.8 2/ WYA Walcha, NSW (Coma appears circular. Observation difficult due to crowded star field and vicinity to bright stars.) 2014 3 11.74 S 12.0 TJ 40.6L 165 2 0 CAM Warners Bay, NSW 2014 3 10.69 S 12.4 TJ 40.6L 165 1 3 CAM Warners Bay, NSW 2014 3 10.21 S 12.2 AU 22.0L 160 1.5 3 GOI Araçatuba 2014 3 9.73 S 13.5 TJ 40.6L 165 0.5 6 CAM Warners Bay, NSW 2013 7 6.42 S 12.4 AQ 25.0L 83 1.6 2 WYA Walcha, NSW (Close to mag 13.5 star. Difficult observation. Observed from 1240m alt.) 2013 7 3.43 S 12.5 AQ 25.0L 39 2.4 1 WYA Walcha, NSW (Coma shows a very even brightness across coma.) 2013 7 2.43 S 12.6 AQ 25.0L 39 1.5 1/ WYA Walcha, NSW (Coma very diffuse with even surface brightness from outer coma toward centre, slightly brightening to centre. No definite central condensation visible. Sky transparency average, limiting magnitude 6.2.) 2013 6 30.94 S 10.4 TK 20.3T 100 3.5 2 GON Alto del Castro - Aralla, León (In evolution after the recent outburst. Diffuse and wide outer coma, remnant of previous events. Mountain location, clear sky.) 2013 6 18.45 S 12.5 AU 25.0L 167 0.7 2 WYA Walcha, NSW (Coma appears circular and very diffuse. Moonlight, slight interference by smoke from town fires.) 2013 6 15.08 M 12.2 AU 22.0L 160 0.5 7/ GOI Araçatuba 2013 6 14.99 S 11.5 TK 20.3T 133 2.2 s1/ GON Alto del Castro - Aralla, León (In outburst. Near-stellar central condensation, m2=12.6 [AQ]. Brighter inner coma [diameter: 0.4'] surrounded by a faint outer region, probably wider than the reported 2.2', but very difficult to observe, remnant of previous events. Mountain location, very clear sky.) 2013 6 3.95 S 12.8 AQ 20.3T 206 0.6 6 GON Alto del Castro - Aralla, León (In evolution after the recent minor outburst. Nearby field stars checked in DSS.) 2013 3 23.29 S 12.5 AU 22.0L 160 2 2 GOI Araçatuba 2013 1 20.22 S 10.5 TK 20.3T 77 7 1/ GON Perilla de Castro, Zamora (Very diffuse coma. Nearby field stars checked in DSS. Several stars in coma, the brightest being magn. 12.5 [AQ].) 2013 1 8.24 S 11.0 TK 20.3T 77 7 1/ GON Alto del Castro - Aralla, León (Very diffuse coma with faint outer region, without central condensation, seeming to be a remnant of a previous outburst. Nearby field stars checked in DSS. Observation made from a higher mountain location, providing a much wider coma diameter and brighter m1 estimate in comparison with my previous Dec. 23.26 observation.) 2012 12 23.26 S 12.2 AQ 20.3T 133 1.5 1 GON Armada - Sierra del Aramo, Asturias (Very diffuse coma, without central condensation, seeming to be a remnant of a previous outburst. Nearby field stars checked in DSS. Mountain location, very clear sky.) 2012 6 13.97 S 10.8 TK 20.3T 100 5 1/ GON Alto del Castro, León (Faint and diffuse wide coma, remnant of previous outbursts. Nearby field stars checked in DSS. Mountain location, very clear sky.) 2012 5 14.95 S 11.0 TK 20.3T 100 3.5 3 GON Pandorado, León (Brighter inner coma from the two recent outbursts, surrounded by a faint outer region, probably wider than the reported 3'.5, but very difficult to observe, remnant of previous events. Mountain location, very clear sky.) 2012 5 9.93 S 11.0 TK 20.3T 100 3 3/ GON El Fito - Sierra del Sueve, Asturias (In evolution after the two recent outbursts. Brighter inner region surrounded by a faint outer coma.) 2012 4 8.90 S 12.0 TK 20.3T 133 2.5 2/ GON Pandorado, León (Faint and diffuse coma, remnant of a possible minor outburst.) 2012 3 15.03 S 13.8 HN 20.3T 133 0.8 6 GON Alto del Castro - Aralla, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry, 104-335 field. Mountain location, very clear sky.) 2012 1 28.08 V 12.8 UD 6.7R 3.5 NOV Nizhniy Arkhyz (remotely) 2012 1 25.05 V 13.1:UD 6.7R 2.4 NOV Nizhniy Arkhyz (remotely) 2012 1 21.01 V 12.8 UD 6.7R 2.7 NOV Nizhniy Arkhyz (remotely) 2012 1 3.24 I 14.2 HN 20.3T 222 0.3 7 GON Alto del Castro - Aralla, León (In evolution after the recent minor outburst. Nearby field stars checked in DSS. Comparison stars taken from Henden photometry - HS550 field. Mountain location, very clear sky.) 2011 12 7.22 S 10.3 TK 20.3T 77 6 2 GON Alto del Castro - Aralla, León (Zodiacal light.) 2011 11 25.85 S 13.6 AU 40.0L 257 0.7 3/ YOS Kita-karuizawa, Gunma (Not in a major outburst. But I could see a faint small object.) 2011 11 24.22 S 10.0 TK 20.3T 77 7 2 GON Alto del Castro - Aralla, León (Large coma with faint outer region. Zodiacal light. Mountain location, very clear sky.) 2011 11 8.24 S 10.2 TK 20.3T 77 8 2/ GON El Fito - Sierra del Sueve, Asturias (At 133x, m2=13.2 [GSC]. First personal estimate after conjunction. Large 8' coma with faint outer region, seeming to be a remnant of a previous strong outburst. Nearby field stars checked in DSS. Zodiacal light. Beginning of astronomical twilight. Altitude: 17 deg. Mountain location, very clear sky.) 2011 6 6.00 S 11.0 AU 22.0L 160 3 2 GOI Araçatuba 2011 6 1.94 S 10.2 TK 20.3T 100 3.5 3/ GON Alto del Castro - Aralla, León (3'.5 coma with faint outer region, remnant of previous outbursts. 1'.5 bright inner region from the recent outburst. Mountain location, very clear sky.) 2011 5 25.90 S 12.5 TK 25.6L 42 1.5 5 BIV Versailles 2011 5 22.96 S 11.8 TK 20.3T 100 1.5 6 GON Sierra de Penouta - Boal, Asturias (In evolution after the recent new outburst. Comet close to star of mag 13.5 [GSC].) 2011 5 14.97 I 12.7 TA 20.3T 133 0.3 8 GON Villafafila, Zamora (Moonlight interference. Comet appears strongly condensed after the more recent new outburst. Mountain location, very clear sky.) 2011 5 9.01 S 13.2 HN 20.3T 100 1.5 6 GON Alto del Castro - Aralla, León (m2 = 14.5 [HN]. Brighter inner coma after the recent minor outburst. Nearby field stars checked in DSS. Comparison stars taken from Henden photometry - G2681005 field.) 2011 5 1.913 S 13.1 TA 31.0J 109 1.6 0 DIJ Burlage 2011 5 1.909 S 13.3 TA 31.0J 109 1.5 1 BOU Burlage, Germany 2011 4 27.02 S 11.3 TK 20.3T 100 4 2 GON Alto del Castro - Aralla, León (Diffuse extended coma, remnant of the previous outburst.) 2011 4 7.91 V 13.5 TK 10.9R 1.9 QVA Borrevannet, Horten 2011 4 5.02 S 11.2 TK 20.3T 100 4 2/ GON Alto del Castro, León (4' coma with faint outer region, remnant of the previous outburst. 1.5' brighter inner region from the recent outburst.) 2011 4 1.15 S 11.2 TK 20.3T 100 5 2 GON Alto del Castro, León (5' coma with faint outer region, remnant of the previous outburst. 1.5' bright inner region from the recent outburst. Mountain location, very clear sky.) 2011 3 30.97 S 13.4 HS 20.3L 92 1.7 4 BIV La Palma Observatory, Canary Islands, Spain 2011 3 28.99 S 13.3 HS 20.3L 92 1.8 4 BIV La Palma Observatory, Canary Islands, Spain 2011 3 26.95 S 13.3 HS 20.3L 92 1.4 5 BIV La Palma Observatory, Canary Islands, Spain 2011 3 24.93 V 13.4 TK 10.9R 1.4 QVA Borrevannet, Horten 2011 3 7.978 S 13.2 AQ 31.0J 109 1.1 1/ DIJ Burlage 2011 3 7.974 S 13.3 AQ 31.0J 109 1.0 3 BOU Burlage, Germany 2011 3 7.00 S 12.2 TA 20.3T 100 3 2 GON Aralla, León (m2=15.0 [HN] after a recent minor outburst. The observed 3' coma is a remnant of the previous outburst. Mountain location, very clear sky.) 2011 3 1.17 S 14.1 HS 40.7L 135 0.9 3 BIV Blieux 2011 2 5.02 S 13.8 HN 20.3T 206 0.5 5 GON Valle Peral - Lena, Asturias (Comparison stars taken from Henden photometry - G2681005 field. Mountain location, very clear sky.) 2011 1 29.018 S 13.2 AU 31.0J 155 0.7 3 DIJ Burlage 2011 1 29.015 S 13.4 AU 31.0J 155 0.6 3 BOU Burlage, Germany 2011 1 24.98 S 13.5 HN 20.3T 133 0.4 6 GON Pandorado, León (In evolution after the recent minor outburst. Comparison stars taken from Henden photometry - G2681005 field. Mountain location, very clear sky.) 2010 12 4.82 S 14.3 UV 40.0L 257 0.5 4 YOS Kita-karuizawa, Gunma (Not in outburst. Visible, but extremely faint. Too faint to determine the DC precisely.) 2010 11 6.80 S[13.7 TA 40.0L 257 !0.7 YOS Kita-karuizawa, Gunma 2010 11 5.81 S[13.1 TA 40.0L 144 !1.3 YOS Kita-karuizawa, Gunma (Not visible.) 2010 6 3.93 S 11.8 TK 20.3T 133 1.8 2/ GON Alto del Trichero - Soto y Amío, León 2010 5 16.98 S 11.2 TK 20.3T 100 2.5 2/ GON Cueto Rosales - Riello, León 2010 5 5.93 S 11.2 TK 20.3T 100 2.5 2/ GON Pandorado, León (Several stars inside the coma, the brightest being mag. 13.5 [GSC].) 2010 5 5.897 S 12.0 TA 31.0J 89 1.8 2 BOU Lauwersoog 2010 5 3.46 S 11.3 TJ 40.0L 75 2.3 3 YOS Kita-karuizawa, Gunma 2010 5 2.48 S 11.5 TJ 40.0L 75 2.2 3 YOS Kita-karuizawa, Gunma 2010 5 1.47 S 11.4 TJ 40.0L 75 2.2 3 YOS Kita-karuizawa, Gunma (Diffuse, but bright and easy to see.) 2010 4 20.85 S 12.7 HS 40.7L 135 0.8 5 BIV Versailles 2010 4 19.93 M[11.6 TK 13.0L 108 NOV Konchezero 2010 4 18.85 S 12.6 HS 40.7L 135 0.5 7 BIV Versailles 2010 4 18.01 S 11.1 TK 25.6L 97 3.0 2 BIV Versailles 2010 4 17.93 S 12.3 TK 40.7L 135 0.3 7 BIV Versailles 2010 4 17.916 M 12.0 TA 31.0J 72 1.8 6/ BOU Lauwersoog 2010 4 17.88 V 13.3 TK 46.0Y 0.3 QVA Borrevannet, Horten 2010 4 17.00 S 11.7 TK 20.3T 100 2.0 2 GON La Cruz - Lieres, Asturias (New outburst. Starlike central condensation: m2=12.8 [comparison stars from Henden field HS618]. The observed 2' coma is a remnant of the previous outburst.) 2010 4 16.879 M 11.8 TA 31.0J 72 2.2 6 BOU Lauwersoog (New outburst! Stellar nucleus of Mv = 13.2 [at 155x] visible in very faint coma of previous outburst.) 2010 4 14.865 S 12.0 TA 31.0J 72 1.5 0 DIJ Burlage 2010 4 14.862 S 12.2 TA 31.0J 72 2.5 0 BOU Burlage, Germany 2010 4 10.857 S 12.3 TA 31.0J 72 2 0 DIJ Burlage 2010 4 10.855 S 11.9 TA 31.0J 72 3 0 BOU Burlage, Germany 2010 4 8.861 S 11.9 TA 31.0J 89 2.5 0 BOU Sint Annen 2010 4 6.857 S 11.8 TA 31.0J 58 3 0 BOU Sint Annen (Large, very diffuse glow just above background.) 2010 4 4.89 S 11.8 TK 20.3T 100 2.5 1 GON Alto del Trichero, León 2010 3 17.96 S 11.1 TK 40.7L 58 4.0 2 BIV Blieux 2010 3 15.95 S 10.9 TK 40.7L 58 4.5 2 BIV Blieux 2010 3 15.12 S 11.7 TK 20.3T 133 1.5 2 GON Aralla, León 2010 3 14.09 S 11.2 TK 40.7L 58 3.5 2 BIV Blieux 2010 3 8.89 S 11.2 TK 20.3T 100 2.5 2/ GON Castañedo del Monte, Santo Adriano, Asturias 2010 3 1.81 S 10.8 TK 20.3T 77 1.5 5 GON Sierra de Fario, Sariego, Asturias (Astronomical twilight.) 2010 2 20.01 S 10.8 TK 40.7L 58 1.8 3 BIV Versailles 2010 2 19.61 10.6 20.0L 57 1.5 5 MAT Castlemaine, VIC (Coma appears as a bright circular haze of high surface brightness.) 2010 2 18.86 S 10.6 TK 40.7L 58 2.0 3 BIV Versailles 2010 2 17.80 M 11.0 TK 13.0L 65 1.8 5 NOV Konchezero 2010 2 16.85 M 10.7 TK 13.0L 65 2.1 6 NOV Konchezero 2010 2 13.93 S 10.9 TK 20.3T 67 1.5 5 BIV Pico Veleta, Spain 2010 2 11.87 S 10.8 TK 20.3T 67 1.3 6 BIV Pico Veleta, Spain 2010 2 10.04 M 11.1 TK 20.3T 133 1.2 7 GON Caldas de Luna, León (More symmetrical evolution of the visible coma than in previous typical outbursts of 29P.) 2010 2 5.89 B 11.4 TK 25.6L 42 0.6 8 BIV Versailles 2009 12 12.15 S 12.0 TK 20.3T 77 2 1/ GON Alto del Castro, León 2009 11 24.14 S 11.9 TK 20.3T 100 1.5 5 GON Alto del Castro, León 2009 11 20.160 S 12.2 TA 31.0J 109 0.7 5 BOU Sint Annen 2009 11 18.11 S 11.8 TK 20.3T 133 0.6 6 GON Alto del Castro, León (In evolution after the recent new outburst.) 2009 10 26.21 S 11.3 TK 20.3T 77 3 2 GON Alto del Castro, León (Zodiacal light. The observed 3' coma is a remnant of the previous outburst.) 2009 9 29.20 S 11.5 TK 20.3T 100 1.5 5 GON Alto del Castro, León 2009 9 23.19 S 11.7 TK 20.3T 206 0.7 5 GON Alto del Castro, León (In evolution after a recent outburst. Zodiacal light. Altitude: 20 deg .) 2009 4 24.897 S 13.5 TA 31.0J 109 0.8 2/ BOU Lauwersoog 2009 4 20.96 S 11.8 TK 20.3T 100 2 1 GON Alto del Castro - Aralla, León (The observed 2' coma is a remnant of the old outburst.) 2009 3 29.956 S 12.0 TA 31.0J 58 0.9 0/ DIJ Burlage 2009 3 29.952 S 12.0 TA 31.0J 58 2.2 0/ BOU Burlage, Germany 2009 3 26.95 S 11.5 TK 20.3T 100 2 1 GON Alto del Castro - Aralla, León 2009 3 24.83 S 12.0 TK 40.7L 135 3.0 2 BIV Blieux 2009 3 21.93 S 11.1 TK 20.3T 100 3 2 GON Alto del Castro - Aralla, León 2009 3 21.03 S 11.3 TK 20.3T 100 3 2 GON Alto del Castro - Aralla, León 2009 3 20.867 S 11.5 TA 31.0J 58 1.9 DIJ Burlage 2009 3 20.863 S 11.8 TA 31.0J 58 2.2 1 BOU Burlage, Germany 2009 3 19.865 S 11.9 TA 31.0J 72 2.2 1 BOU Lauwersoog 2009 3 18.88 S 11.3 HS 41.0L 72 2.2 2 RES Szamotuly 2009 3 17.873 S 11.7 TA 31.0J 58 2.5 1 BOU Lauwersoog 2009 3 15.91 S 11.3 TK 20.3T 77 2.5 2 GON Aralla, León 2009 3 13.85 S 11.2 TK 20.3T 100 2.5 2 GON Pandorado, León 2009 2 25.91 S 11.0 TK 20.3T 100 3.0 3/ GON Pandorado, León (Several stars in coma, the brightest being mag 11.0 [TK].) 2009 2 22.94 S 10.8 TK 20.3T 100 3.0 3/ GON Pandorado, León 2009 2 21.00 S 11.0 TK 20.3T 100 2.5 3/ GON Golpejar de la Tercia, León 2009 2 14.800 S 11.9 TA 31.0J 89 1.5 4 BOU Sint Annen 2009 2 13.85 S 10.8 TK 20.3T 100 2.5 4 GON Pandorado, León (In evolution after the recent new outburst. Starlike central condensation: m2=13.5 [GSC].) 2009 1 30.83 S 10.0 TK 13.0L 65 3.8 3 NOV Konchezero 2009 1 20.10 S 11.9 TK 40.7L 58 2.0 4 BIV Versailles 2009 1 18.851 S 11.6 TA 31.0J 89 1.7 4 BOU Sint Annen 2009 1 16.88 S 11.2 TK 20.3T 133 2.0 5 GON Alto de la Colladiella, Mieres, Asturias 2009 1 13.97 S 11.7 TA 20.3T 100 1.2 2 GRA Fjellhamar (In another outburst; faintly visible. Moonlight, NEL = 5.0 [approx.].) 2008 1 6.158 S 11.5 TA 31.0J 72 1.0 4 DIJ Burlage 2009 1 6.156 M 11.5 TA 31.0J 72 1.5 4/ BOU Burlage, Germany 2009 1 4.24 S 11.1 TK 20.3T 100 1.5 6 GON Pandorado, León 2009 1 4.07 S 11.8 TK 40.7L 135 1.3 5 BIV Versailles 2008 12 30.01 B 11.8 TK 40.7L 135 0.6 8 BIV Versailles 2008 12 29.18 B 12.0 TK 40.7L 135 0.7 8 BIV Versailles (At 700x, nearly starlike [<5"] condensation of mag. 12.7 embedded in a 0.8' halo.) 2008 12 28.917 M 12.0 TA 31.0J 89 0.8 7/ DIJ Burlage 2008 12 28.915 M 11.9 TA 31.0J 89 1.1 6/ BOU Burlage, Germany 2008 12 27.99 S 11.7:TK 25.4Y 85 1 1 NOV Petrozavodsk 2008 12 27.960 M 12.2 TA 31.0J 89 1.1 5 BOU Sint Annen 2008 12 25.917 M 12.3 TA 31.0J 109 0.9 5 BOU Sint Annen 2008 12 24.23 S 12.1 TK 20.3T 133 0.7 6 GON Sierra del Aramo - Armada - Lena, Asturias (In evolution after the recent outburst.) 2008 12 24.09 B 12.9 TK 40.7L 135 0.4 7 BIV Versailles (At 700x, uniform disk of ~20" diameter.) 2008 12 23.14 I 12.9 TA 20.3T 182 8/ GRA Fjellhamar (This comet was in outburst and appeared nearly stellar; a small disc (possibly ~0'.2 in size) was suspected. Comet only observed briefly due to incoming clouds.) 2008 12 21.23 I 12.9 HN 20.3T 133 8 GON Santibáñez - Cuadros, León (New outburst. Strongly condensed. Some moonlight interference. Comparison stars taken from Henden photometry near CD Gem.) 2008 11 23.83 S 11.0 TJ 40.0L 75 4.0 1 YOS Kita-karuizawa, Gunma (It looks more clearly and widely than the previous night, probably due to the clear sky.) 2008 11 22.80 S 11.5 TJ 40.0L 75 3.4 0 YOS Kita-karuizawa, Gunma (Surprisingly, the remnant of the major outburst in September is still visible. Extremely diffuse with no condensation. The diffuse coma was visible more clearly and widely after the moon rise, because the comet became high and the sky became more clear. It seems severely influenced by the sky condition. With higher magnification, the central part becomes visible clearly but the outer coma becomes hard to see. So estimation of the total magnitude can be fainter, around 12.5 mag or so. No another new outburst was found with higher magnification.) 2008 11 19.98 S 11.5:TK 20.3T 77 3 1 GON Alto del Trichero - Soto y Amío, León 2008 11 6.03 S 10.3 TK 20.3T 77 4 1/ GON Aralla, León 2008 11 4.05 S 10.9 TK 13.0L 65 3.2 1 NOV Konchezero 2008 11 1.77 S 10.7 TJ 40.0L 75 4.2 1/ YOS Kita-karuizawa, Gunma (Very, very large! Round ghost like a planetary nebula, similar to the view of 17P/Holmes last year. The cc is weak, but very bright and clearly visible. The size exceeds 4 arcmin now. It is largest 29P in my life.) 2008 10 29.19 S 12.0 TK 40.7L 58 4.0 2 BIV Versailles 2008 10 26.11 S 10.4 TK 20.3T 100 4 2 GON Alto del Castro - Aralla, León (Several stars inside the coma, the brightest being mag. 11.8 [Tycho-2].) 2008 10 11.17 S 11.4 TK 40.7L 116 2.5 4 BIV Versailles 2008 10 10.19 S 11.4 TK 40.7L 116 2.2 4 BIV Versailles 2008 10 10.18 S 11.3 TK 40.7L 58 2.5 5 BIV Versailles 2008 10 9.10 S 10.5 TK 20.3T 77 2.5 4/ GON Alto del Trichero - Soto y Amío, León 2008 10 6.97 S[10.6 TK 13.0L 108 NOV Konchezero 2008 10 4.76 S 10.4 TJ 40.0L 75 2.2 2 YOS Kita-karuizawa, Gunma (First observation since the major outburst on Sept. 21. I was surprised how bright it is! It is the first time to see such a bright and huge 29P in my history. Looks round, like a planetary nebula.) 2008 10 2.19 S 11.1 TK 40.7L 116 1.5 5 BIV Versailles 2008 10 2.17 S 11.1 TK 40.7L 58 1.8 5 BIV Versailles 2008 9 29.19 S 11.4 TK 40.7L 116 1.4 5 BIV Versailles 2008 9 29.18 S 11.4 TK 40.7L 58 1.5 5 BIV Versailles 2008 9 29.14 S 10.7 TK 20.3T 100 1.1 5 GON Alto del Castro - Aralla, León 2008 9 27.17 S 11.3 TK 40.7L 116 1.2 7 BIV Versailles 2008 9 27.15 S 11.3 TK 40.7L 58 1.5 6 BIV Versailles 2008 9 25.10 M 10.9 TK 20.3T 133 0.8 6 GON Pandorado, León (In evolution after the recent outburst. Some moonlight interference, Moon's altitude: 8 deg.) 2008 9 23.14 S 11.3 TK 40.7L 116 0.6 7 BIV Versailles 2008 9 9.77 S[12.8 TA 40.0L 144 !0.6 YOS Kita-karuizawa, Gunma (Not visible. Not in outburst.) 2008 3 5.91 S 12.7 TK 20.3T 133 1.5 1 GON Alto del Trichero - Soto y Amío, León 2008 3 5.51 S 13.3 TA 40.0L 144 1.3 1/ YOS Mt. Hanadate, Ibaraki (Two months after the outburst in January. But unexpectedly, the diffuse nebulous comet with no condensation is still bright and visible visually.) 2008 3 1.92 S 12.5 TK 20.3T 133 2.0 2 GON Alto del Castro - Aralla, León 2008 2 26.863 S 12.5 TA 31.0J 109 1 DIJ Sint Annen 2008 2 26.861 S 12.6 TA 31.0J 109 1.6 0/ BOU Sint Annen (Difficult observation. Comet appears as a very diffuse glow in rather crowded starfield.) 2008 2 11.961 S 11.9 TA 31.0J 89 1.6 1/ DIJ Sint Annen 2008 2 11.958 S 11.8 TA 31.0J 89 1.7 2/ BOU Sint Annen 2008 2 10.998 S 11.6 TA 31.0J 89 2 3 DIJ Sint Annen 2008 2 10.995 S 11.7 TA 31.0J 89 1.8 3/ BOU Sint Annen 2008 2 9.93 S 11.3 TK 20.3T 133 2.0 3 GON Aralla, León 2008 2 9.814 S 11.7 TA 31.0J 89 1.7 4 BOU Sint Annen 2008 2 8.84 S 12.4 HS 40.7L 116 2.0 4 BIV Blieux 2008 2 8.836 S 11.8 TA 31.0J 89 1.6 3/ BOU Sint Annen 2008 2 7.94 S 12.4 HS 40.7L 116 2.0 3 BIV Blieux 2008 2 7.08 S 11.5:TK 20.3T 133 2.0 3 GON Aralla, León (Several stars in coma, the brightest being mag 12.4 [GSC].) 2008 2 4.865 S 11.6 TA 31.0J 89 1.2 2 DIJ Sint Annen 2002 2 4.863 S 11.7 TA 31.0J 89 1.7 3/ BOU Sint Annen 2008 1 30.860 S 11.9 TA 31.0J 89 1.5 4 BOU Sint Annen 2008 1 30.84 S 11.6 TK 25.6L 84 1.8 3 BIV Rambouillet 2008 1 27.89 S 11.6 TK 20.3T 133 1.7 4 GON Alto del Castro - Aralla, León (Interesting coma, in evolution after the last three consecutive outbursts.) 2008 1 27.80 S 11.3 TK 25.6L 84 1.3 5 BIV Rambouillet 2008 1 16.92 S 11.1 HS 40.7L 116 0.8 5 BIV Versailles 2008 1 14.82 S 11.1 HS 40.7L 116 0.5 6 BIV Versailles 2008 1 13.928 B 12.0 TA 31.0J 109 0.3 8 BOU Sint Annen (Almost stellar appearance with only a hint of surrounding nebulosity.) 2008 1 13.85 B 11.2 TK 10.0B 25 1.0 8 GON Los Veneros - Sierra del Aramo, Asturias 2008 1 13.83 M 11.4 TK 20.3T 100 0.8 7 GON Los Veneros - Sierra del Aramo, Asturias (New outburst. Strongly condensed. Mountain location, very clear sky.) 2008 1 4.43 S 12.8 TA 40.0L 144 1.0 6 YOS Mt. Hanadate, Ibaraki (Large, moderately condensed, and easy to see. I enjoyed the bright cometary 29P after a long time interval.) 2008 1 3.87 M 12.2 HN 20.3T 160 0.7 6 GON Sierra del Aramo, Asturias (In evolution after the recent outburst. Comparison stars taken from Henden photometry near CD Gem.) 2007 12 30.89 S 12.8 HS 20.3T 77 1.0 6 BIV Pico-Veleta, Spain 2007 12 30.89 S 12.7 HS 20.3T 154 0.5 7 BIV Pico-Veleta, Spain 2007 12 30.89 S 12.8 HS 20.3T 77 1.0 6 BIV Pico-Veleta, Spain 2007 12 30.802 I 13.6 TA 31.0J 155 9 DIJ Sint Annen (No coma visible.) 2007 12 30.800 I 13.3 TA 31.0J 155 9 BOU Sint Annen (New outburst; comet virtually stellar, close to magn. 13.9 star [ref. TA].) 2007 12 9.73 S 14.5 40.0L 257 0.5 2 YOS Kita-karuizawa, Gunma (Comparison stars from USNO-A2.0, preliminary V magnitude calculated from R and B magnitude.) 2007 12 8.68 S 14.0 40.0L 257 0.4 2 YOS Kita-karuizawa, Gunma (Faint but visible again. Diffuse. Comparison stars from USNO-A2.0, preliminary V magnitude calculated from R and B magnitude.) 2007 11 3.63 S 14.2 40.0L 257 0.6 2 YOS Kita-karuizawa, Gunma (No outburst has been reported recently. But it was visible unexpectedly. Diffuse, but not so extremely faint. Comparison stars from USNO-A2.0, preliminary V magnitude calculated from R and B magnitude.) 2007 10 5.77 S 14.1 40.0L 257 0.4 4 YOS Kita-karuizawa, Gunma (Not in outburst, but a small faint object was visible. Very different from the large diffuse look after an outburst. Comparison stars from USNO-A2.0, preliminary V magnitude calculated from R and B magnitude.) 2007 3 16.89 S 12.3 AU 20.3T 160 1.2 4 GON Puerto de Aralla, León (New outburst.) 2007 3 12.844 S 12.9 AU 31.0J 89 1.0 0/ DIJ Lauwersoog 2007 3 12.840 S 12.6 AU 31.0J 89 1.6 1/ BOU Lauwersoog 2007 3 11.86 S 12.7 AU 20.3T 133 1.2 2/ GON Puerto de Aralla, León 2007 3 11.841 S 12.6 AU 31.0J 89 1.3 1/ BOU Lauwersoog 2007 3 9.879 S 12.8 AU 31.0J 109 1.1 2/ DIJ Sint Annen 2007 3 9.877 S 12.6 AU 31.0J 109 1.2 2 BOU Sint Annen 2007 2 5.819 S 12.6 TA 31.0J 89 1.1 3 DIJ Sint Annen 2007 2 5.815 S 12.7 TA 31.0J 89 1.0 4/ BOU Sint Annen 2007 2 4.84 S 12.5 TK 20.3T 133 0.8 5 GON Argañosa - Illas, Asturias (In evolution after the recent outburst.) 2006 12 23.44 S[13.4 HS 40.0L 144 !0.6 YOS Kita-karuizawa, Gunma (I could not see it, maybe disturbed by a nearby 14.6 mag star.) 2006 12 22.53 S 13.1 HS 40.0L 144 1.2 1/ YOS Kita-karuizawa, Gunma (Very faint, near limit, but I could see a faint diffuse object.) 2006 12 16.892 S 13.6 TA 31.0J 109 0.5 0/ DIJ Sint Annen 2006 12 16.890 S 13.2 TA 31.0J 109 1.0 0/ BOU Sint Annen (Faint and very diffuse object.) 2006 10 31.66 S 11.9 HS 40.0L 144 1.7 3 YOS Kita-karuizawa, Gunma (Brightest and largest among my recent observations of 29P! Wonderful looking. The central part is well condensed, surrounded with a large diffuse coma. Maciej Reszelski reported it as 13.2 mag on the same day. But in my view, it was much brighter.) 2006 10 31.06 S 13.2 AC 41.0L 72 1.5 2/ RES Szamotuly-Galowo 2006 10 29.84 S 12.9 AC 41.0L 72 1.2 2/ RES Szamotuly-Galowo 2006 10 25.89 S 12.4 AC 41.0L 72 1.5 3/ RES Szamotuly-Galowo 2006 10 24.948 S 12.6 TA 31.0J 109 1 2 DIJ Sint Annen 2006 10 24.942 S 12.4 TA 31.0J 109 1.4 2/ BOU Sint Annen 2006 10 19.02 S 11.9 AC 41.0L 72 1.8 4 RES Szamotuly-Galowo 2006 10 17.92 S 11.7 AC 13.0L 50 1.5 5/ RES Szamotuly-Galowo 2006 10 16.97 S 11.5 AC 41.0L 72 1.8 6 RES Szamotuly-Galowo 2006 10 16.944 S 12.1 TA 31.0J 109 1.3 5 DIJ Sint Annen 2006 10 16.940 S 12.1 TA 31.0J 109 1.0 5 BOU Sint Annen 2006 10 14.97 S 11.8 TK 20.3T 77 1.3 4 GON Cueto Rosales - Riello, León (In evolution after the recent outburst.) 2006 9 27.68 S 13.4 HS 40.0L 144 1.0 3 YOS Kita-karuizawa, Gunma (Clearly visible unexpectedly. But the condensation was weak. When did the last outburst occur? In this year, it seems always visible at 13th mag. independent of outbursts.) 2006 9 25.92 S 13.6 AC 41.0L 121 0.5 3 RES Szamotuly-Galowo 2006 9 24.01 S 13.7 AC 41.0L 121 0.5 2 RES Szamotuly-Galowo 2006 9 22.90 S 13.8 AC 41.0L 121 0.5 2 RES Szamotuly-Galowo 2006 9 22.16 S 13.6 AC 41.0L 121 0.7 3 RES Szamotuly-Galowo 2006 9 21.04 S 12.9 HS 40.7L 116 1.3 2 BIV Col de Restefond 2006 9 19.05 S 13.0 HS 40.7L 233 1.3 4 BIV Col de Restefond 2006 9 17.91 S 13.5 AC 41.0L 121 0.6 2 RES Szamotuly-Galowo 2006 8 22.69 S 13.2 HS 40.0L 144 1.1 1 YOS Kita-karuizawa, Gunma (Very diffuse weak object with no condensation.) 2006 8 21.11 S 12.5 TA 20.3T 100 1.5 2 GON Cueto Rosales - Riello, León 2006 8 4.11 S 12.4 TA 20.3T 100 1.5 2 GON Alto del Castro - Aralla, León 2006 7 28.04 S 13.3 AC 41.0L 72 0.8 2 RES Szamotuly-Galowo 2006 7 25.10 S 13.2 HS 40.7L 116 2.0 2 BIV Valdrôme 2006 7 24.10 S 13.2 HS 40.7L 116 1.5 3 BIV Valdrôme 2006 7 23.12 S 12.2 TA 20.3T 100 1.2 5 GON Cueto Rosales - Riello, León (In evolution after the recent outburst.) 2006 7 23.09 S 13.3 HS 40.7L 116 1.4 4 BIV Valdrôme 2006 3 4.82 S 12.8 AC 41.0L 72 0.7 4 RES Szamotuly-Galowo 2006 2 27.84 S 13.2 AC 41.0L 72 0.7 3 RES Szamotuly-Galowo 2006 2 22.85 S 12.5 AU 20.3T 133 0.8 6 GON Dosango - Santo Adriano, Asturias (In evolution after the recent new outburst.) 2006 1 31.82 S 14.4 HS 40.7L 233 0.8 3 BIV Poigny-la-Forêt 2006 1 30.84 S 13.2 AU 20.3T 133 0.5 4 GON Robledo de Babia, León (In evolution after the recent outburst.) 2006 1 8.42 S[13.1 AU 40.0L 144 !0.7 YOS Ibaraki, Japan (Extremely close to the half moon, so it was very difficult to see a diffuse object. Anyway, the comet was too faint to see.) 2005 11 8.942 S 12.8 AU 31.0J 109 0.9 0/ DIJ Sint Annen 2005 11 8.937 S 12.9 AU 31.0J 109 1.2 2 BOU Sint Annen 2005 11 4.94 S 13.3 AU 20.3T 160 0.7 3 GON Alto del Trichero - Soto y Amío, León (Possible new outburst.) 2005 10 24.61 S 12.8 AU 40.0L 144 1.2 1 YOS Gunma, Japan (Unexpectedly, I could see an extremely diffuse large object at the position. I have not heard any information of recent outbursts.) 2005 9 14.05 B 13.5 AU 20.3T 133 0.3 7 GON Alto del Castro - Aralla, León (Strongly condensed. In evolution after the recent outburst.) 2005 9 3.926 S[13.4 AU 31.0J 155 ! 1 DIJ Lauwersoog 2005 9 3.924 S[13.5 AU 31.0J 155 !1.0 BOU Lauwersoog 2005 8 6.77 S[12.9 AU 40.0L 144 !0.7 YOS Gunma, Japan 2005 8 5.70 S[12.8 AU 40.0L 144 !0.7 YOS Gunma, Japan 2005 8 4.73 S[12.4 AU 40.0L 144 !0.8 YOS Gunma, Japan (Not in outburst. Not visible. Inactive days after a long time.) 2005 7 15.046 S[13.3 AU 31.0J 109 !1.5 DIJ Revest-du-Bion, France 2005 7 15.045 S[13.3 AU 31.0J 109 !1.0 BOU Revest-du-Bion, France (Comet also not visible on several other mornings since July 6.) 2005 2 6.788 S 12.8 AU 31.0J 109 1.2 0/ DIJ Lauwersoog 2005 2 6.784 S 12.8 AU 31.0J 109 1.8 0/ BOU Lauwersoog (Comet is large and very diffuse. Some interference from zodiacal light.) 2005 2 5.41 S 12.5:HS 40.0L 144 1.2 1 YOS Ibaraki, Japan (Totally diffuse, which implies no outburst occurred recently. Inaccurate estimate due to city light.) 2005 1 30.83 S 12.5 TK 20.3T 133 1 2 GON Cordal de las Segadas, Asturias (Zodiacal light.) 2005 1 12.767 S 12.2 AU 31.0J 109 1.4 3/ BOU Sint Annen 2005 1 8.40 S 11.9 TJ 40.0L 144 1.2 7 YOS Ibaraki, Japan (Maybe just after a small outburst? I felt it was strongly condensed, although it was not so bright.) 2005 1 7.82 S 11.9 TK 20.3T 100 1.5 4 GON Aralla, León (New outburst.) 2005 1 6.88 S 12.1 TK 20.3T 100 1.5 4 GON Aralla, León (Possible beginning of a new outburst.) 2005 1 2.764 S 12.5 AU 31.0J 109 0.9 1/ DIJ Langelo 2005 1 2.760 S 12.3 AU 31.0J 109 1.2 3/ BOU Langelo 2004 12 17.99 S 12.9 HS 25.6L 169 0.5 5 BIV Poigny-la-Forêt 2004 12 12.85 S 13.4 HS 20.3L 95 1.3 2 BIV Haute Provence Obs. 2004 12 12.84 S 12.3 TK 20.3T 100 1.5 3 GON Sierra del Aramo, Asturias 2004 12 11.87 S 13.4 HS 20.3L 95 1.2 2 BIV Haute Provence Obs. 2004 12 11.43 S 13.0 AU 40.0L 144 1.6 1 YOS Gunma, Japan (Very wide and completely diffused. Probably a remnant of very old outburst, but clearly visible with a large telescope.) 2004 12 5.87 S 12.2 TK 20.3T 100 1.5 2 GON Camposagrado, León 2004 12 3.769 S 12.6 AU 31.0J 89 1.6 1/ BOU Sint Annen (Comet very diffuse. At 109x 14th magnitude central condensation glimpsed.) 2004 11 18.01 S 11.9 TK 20.3T 100 2 3 GON Aralla, León 2004 11 17.900 S 11.9 TK 30.0T 152 1.2 4 LOO Le Castellard, France 2004 11 16.854 S 11.6 TK 30.0T 152 1.2 3 LOO Le Castellard, France (Outburst??) 2004 11 16.50 S 11.9 TK 38.0L 75 2 3 MAT Stockport Observatory, SA (Outburst activity continues.) 2004 11 15.98 S 11.9 TK 20.3T 100 1.5 3 GON Camposagrado, León 2004 11 15.802 S 12.7 TK 30.0T 152 0.7 3 LOO Le Castellard, France 2004 11 13.804 S 12.4 TK 30.0T 152 1 3 LOO Le Castellard, France 2004 11 13.01 S 11.8 TK 20.3T 100 1.5 4 GON Camposagrado, León 2004 11 12.44 S 12.1 GA 25.4L 71 SEA Cowra, NSW (Comet close to star, but clearly visible.) 2004 11 9.43 S 12.9 HS 40.0L 144 1.1 s4 YOS Gunma, Japan 2004 11 8.948 S 12.5 AU 25.4J 88 1.0 4 BOU Sint Annen 2004 10 21.927 S 12.4 AU 31.0J 89 1.6 2/ BOU Sint Annen 2004 10 21.11 S 12.2 HS 25.6L 42 2.0 3 BIV Poigny-la-foret 2004 10 18.905 S 12.6 AU 31.0J 89 1.3 2 DIJ Sint Annen 2004 10 18.901 S 12.5 AU 31.0J 89 1.4 3 BOU Sint Annen 2004 10 18.87 S 12.0 HS 40.7L 58 2.0 3 BIV Poigny-la-foret 2004 10 15.99 S 12.0 HS 25.6L 42 1.7 3 BIV Poigny-la-foret 2004 10 15.47 S 11.7 TJ 40.0L 144 1.5 2 YOS Gunma, Japan 2004 10 15.45 S 11.7 GA 25.4L 71 2 SEA Cowra, NSW 2004 10 12.95 S 11.9 HS 25.6L 42 1.5 6 BIV Poigny-la-foret 2004 10 12.819 M 12.4 AU 31.0J 89 0.9 4/ DIJ Sint Annen 2004 10 12.816 M 12.2 AU 31.0J 89 1.3 4/ BOU Sint Annen 2004 10 11.823 M 12.4 AU 25.4J 115 1.1 5/ BOU Sint Annen 2004 10 10.866 M 12.6 AU 31.0J 109 1 5 DIJ Sint Annen 2004 10 10.860 M 12.3 AU 31.0J 109 1.0 6 BOU Sint Annen 2004 10 9.47 S 11.9 TK 38.0L 150 0.5 7 MAT Stockport Observatory, SA 2004 10 8.869 M 12.6 AU 31.0J 109 1 5/ DIJ Sint Annen 2004 10 8.869 M 12.3 AU 31.0J 109 0.7 6/ BOU Sint Annen 2004 10 7.881 M 12.6 AU 31.0J 143 1.2 6 DIJ Sint Annen 2004 10 7.879 M 12.4 AU 31.0J 143 0.6 7 BOU Sint Annen (Another outburst. Comet small, and strongly condensed with near stellar cc of about magn. 13.5.) 2004 10 6.89 S 11.9 HS 25.6L 84 1.2 8 BIV Poigny-la-foret (At 169x strong central condensation at m=13.4 - beginning of outburst.) 2004 9 24.11 S 12.1 HS 25.6L 169 1.5 6 BIV Poigny-la-foret 2004 9 24.10 S 11.7 HS 25.6L 42 1.5 5 BIV Poigny-la-foret 2004 9 21.95 M 11.7 AU 20.3L 63 0.7 7 GUZ Krosno (Today I couldn't see outer coma despite excellent conditions; NEL~7.2, the comet is still highly condensed with obvious stellar pseudonucleus, m2~13.2.) 2004 9 19.851 S 12.4 AU 25.4J 88 1.2 6/ DIJ Sint Annen 2004 9 19.849 M 12.3 AU 25.4J 88 0.9 6 BOU Sint Annen (New outburst. Strong, nearly stellar condensation of magnitude 13-13.5.) 2004 9 19.01 M 11.8 AU 20.3L 63 2 7 GUZ Krosno (Faint outer halo, with bright stellar pseudonucleus, m2~12.8, surrounded by 0.4' central condensation. Comet was a bit brighter than yesterday.) 2004 9 18.87 S 11.7 TK 13.0L 45 0.5 6 RES Ostrorog 2004 9 17.94 M 12.1 AU 20.3L 63 2 7 GUZ Krosno (New outburst. Faint outer halo, with bright stellar pseudonucleus, m2~13.0, surrounded by 0.4' central condensation.) 2004 9 17.88 S 11.5 TK 13.0L 45 0.5 6 RES Ostrorog 2004 9 17.78 I 12.1 AU 40.0L 144 8/ YOS Gunma, Japan 2004 9 17.11 B 12.2 TK 20.3T 160 0.5 7 GON Alto del Castro, León (Strongly condensed. Outburst.) 2003 9 17.02 S 12.8 AU 20.3L 63 1.6 2 GUZ Krosno 2004 9 14.967 S 12.9 AU 25.4J 115 1.1 1 BOU Sint Annen 2003 9 14.92 S 12.9 AU 20.3L 63 1.8 2 GUZ Krosno 2004 8 15.99 S 13.1 HS 40.7L 58 2.0 3 BIV Valdrome 2004 8 14.98 S 12.9 HS 40.7L 58 2.0 4 BIV Valdrome 2004 8 14.04 S 13.0 HS 40.7L 58 1.7 4 BIV Valdrome 2004 8 12.05 S 13.1 HS 40.7L 116 1.5 5 BIV Valdrome 2003 9 10.97 S 12.7 AU 20.3L 63 1.5 2 GUZ Krosno 2004 9 8.913 S 12.8 AU 31.0J 109 1.2 0/ DIJ Sint Annen 2004 9 8.909 S 12.9 AU 31.0J 109 1.2 1/ BOU Sint Annen 2003 9 8.90 S 12.7 AU 20.3L 63 1.5 2 GUZ Krosno (Relatively easy to see, however less condensed than three weeks ago, excellent conditions, NEL~7.0.) 2004 8 26.11 S 12.8 TK 20.3T 77 2 2 GON Alto del Castro - Aralla, León 2004 8 22.014 S 13.0 AU 31.0J 89 1.2 2/ DIJ Sint Annen 2004 8 22.011 S 13.0 AU 31.0J 89 1.1 2/ BOU Sint Annen 2004 8 21.11 S 12.8 TK 20.3T 100 1.5 3 GON Alto del Castro - Aralla, León 2004 8 19.960 S 12.5 AU 31.0J 89 0.8 1/ DIJ Sint Annen 2004 8 19.955 S 13.0 AU 31.0J 89 1.0 3 BOU Sint Annen 2004 8 15.94 M 12.3 TK 20.3L 63 1.2 4 GUZ Krosno 2004 8 13.09 S 12.8 TK 20.3T 100 1 3 GON Alto del Castro - Aralla, León 2004 7 28.007 S 12.8 AU 31.0J 89 1 2/ DIJ Sint Annen 2004 7 28.003 S 12.7 AU 31.0J 89 1.2 2/ BOU Sint Annen 2004 7 26.11 S 12.3 TK 20.3T 100 1 3 GON Alto del Castro - Aralla, León 2004 7 15.08 S 12.3 TK 20.3T 100 1 4 GON Alto del Castro - Aralla, León 2004 7 13.10 S 12.2 TK 20.3T 100 1.2 4 GON Alto del Castro - Aralla, León (Comet seems to fade after the outburst.) 2004 6 30.10 S 11.5 TK 20.3T 77 1.5 6 GON Alto del Castro - Aralla, León (Outburst continues.) 2004 6 27.08 S 11.8 TK 20.3T 77 1.2 6 GON Alto del Castro - Aralla, León (Outburst.) 2004 6 27.00 M 11.3 TK 20.3L 63 0.8 5 GUZ Krosno (Comet very bright - it must be the brightest outburst for a few years. Comet easily visible.) 2004 6 24.00 S 11.9 TK 20.3L 63 0.5 6 GUZ Krosno (Comet is in bright outburst! Visible without any problem as a small condensed object.) 2003 10 18.833 S 13.6 HN 31.0J 124 1.0 0/ DIJ Lauwersoog 2003 10 18.828 S 13.3 HN 31.0J 124 1.4 1/ BOU Lauwersoog (Comet is difficult object, being fairly large and very diffuse. Comparison stars taken from nearby Henden sequence of UU Aqr.) 2003 10 18.80 S[13.5 HS 20.3L 63 !0.5 GUZ Krosno 2003 9 30.82 S 12.4 TK 20.3L 63 1 4 GUZ Krosno (Comet is fainter and more diffuse than two days ago) 2003 9 29.908 S 12.4 SK 31.0J 109 1 3/ DIJ Sint Annen 2003 9 29.907 S 12.5 SK 31.0J 109 1.0 3/ BOU Sint Annen (New outburst. Faint central condensation of magnitude 13.5-14 visible, asymmetrically placed in coma with offset roughly towards p.a. 15 deg.) 2003 9 29.87 S 11.9 AC 30.5T 117 1.8 1 COM Roden 2003 9 28.78 S 12.1 TK 20.3L 63 0.8 6 GUZ Krosno (Much smaller, much brighter and much more condensed than three days ago - outburst. Clearly seen despite average sky conditions. NEL ~5.7.) 2003 9 27.66 S 13.0 HS 28.0T 133 0.8 7 MAT Wallaroo, SA (In outburst.) 2003 9 26.02 S 13.7 HS 40.7L 58 1.5 2 BIV Col du Restefond 2003 9 25.94 S 13.0:HS 20.3L 63 1.6 0/ GUZ Krosno (Very diffuse, at the limit of visibility.) 2003 9 24.897 S 12.6 SK 31.0J 109 1.3 1 DIJ Lauwersoog 2003 9 24.891 S 12.4 SK 31.0J 109 1.8 1 BOU Lauwersoog 2003 9 24.02 S 13.7 HS 40.7L 58 1.5 2 BIV Col du Restefond 2003 9 23.833 S 12.7 SK 25.4J 115 1.3 0/ DIJ Noorddijk 2003 9 23.830 S 12.6 SK 25.4J 115 1.5 1 BOU Noorddijk 2003 9 21.92 S 12.8 HS 20.3L 63 2 0/ GUZ Krosno (Very diffuse.) 2003 9 7.02 S 12.8 HS 20.3L 63 1.5 2 GUZ Krosno 2003 9 6.00 S 12.7 HS 20.3L 63 1.5 2 GUZ Krosno (Diffuse but quite easy to see object) 2003 9 2.894 S 12.6 SK 25.4J 88 1.0 0/ DIJ Noorddijk 2003 9 2.890 S 12.5 SK 25.4J 88 1.4 1 BOU Noorddijk 2003 9 1.913 S 12.7 SK 31.0J 89 0.9 0/ DIJ Noorddijk 2003 9 1.909 S 12.4 SK 31.0J 89 1.4 1/ BOU Noorddijk 2003 8 27.12 S 12.7 HS 20.3T 206 1 5 GON Alto del Castro - Aralla, León 2003 8 25.98 S 12.6 HS 20.3L 63 0.8 5 GUZ Krosno (Another outburst! Bright, condensed, easy to see object.) 2003 8 25.946 S 12.4 SK 31.0J 143 0.8 2/ DIJ Sint Annen 2003 8 25.941 S 12.5 SK 31.0J 143 0.8 4 BOU Sint Annen 2003 8 6.02 S[13.5 HS 20.3L 108 !0.5 GUZ Krosno 2003 7 29.04 S 13.3 HS 20.3T 133 1 2 GON Alto del Castro - Aralla, León 2003 7 27.93 S[13.2 HS 20.3L 108 !0.5 GUZ Krosno 2003 7 27.70 S 14.0:HS 28.0T 133 1 3 MAT Wallaroo, SA 2003 7 24.95 S 12.8 HS 20.3L 108 0.7 4 GUZ Krosno (Outburst! Observation a bit uncertain due to very close proximity of 9.7 mag star.) 2003 7 23.02 S 13.1 HS 20.3T 133 1 2 GON Alto del Castro - Aralla, León 2003 7 20.91 S[12.5 HS 20.3L 108 !0.5 GUZ Krosno 2003 7 3.00 S[13.6 HS 20.3L 108 !0.5 GUZ Krosno 2003 7 2.01 S[13.2 HS 20.3L 108 !0.5 GUZ Krosno 2003 6 29.06 S 13.9 HS 20.3T 160 1.0 2 BIV Pico-Veleta, Spain 2003 6 29.05 S 13.8 HS 20.3T 77 1.4 2 BIV Pico-Veleta, Spain 2003 6 28.07 S 13.6 HS 20.3T 160 1.2 4 BIV Pico-Veleta, Spain 2003 6 28.06 S 13.6 HS 20.3T 77 1.5 3 BIV Pico-Veleta, Spain 2003 6 27.14 S 13.6 HS 20.3T 77 1.5 2 BIV Pico-Veleta, Spain 2003 6 27.13 S 13.7 HS 20.3T 160 1.2 3 BIV Pico-Veleta, Spain 2003 6 4.02 S[12.7 HS 20.3L 63 !0.5 GUZ Krosno 2002 11 4.51 S 13.3 HS 28.0T 84 1 7 MAT Wallaroo, SA (Fresh outburst?) 2002 11 2.75 S 12.6 AC 41.0L 121 0.8 4 RES Szamotuly 2002 11 2.46 S 13.5:HS 28.0T 133 1 4 MAT Wallaroo, SA 2002 10 30.74 S 12.1 AC 41.0L 121 0.4 6/ RES Szamotuly 2002 10 30.52 S 13.5:HS 28.0T 84 0.5 6 MAT Wallaroo, SA 2002 10 27.52 S 14.0 HS 28.0T 133 0.5 8 MAT Wallaroo, SA 2002 10 23.45 [13.5 28.0T 84 MAT Wallaroo, SA 2002 10 10.61 S 14.0:HS 28.0T 196 1 4 MAT Wallaroo, SA 2002 10 5.60 S 13.5:HS 28.0T 84 1 4 MAT Wallaroo, SA 2002 9 30.52 S 12.9 HS 28.0T 84 1 5 MAT Wallaroo, SA 2002 9 29.48 S 12.8 HS 28.0T 84 1 6 MAT Wallaroo, SA (Click here for todays image of this comet. Nexstar C11 + Starlight express MX7c 5x10sec exposure.) 2002 9 5.87 [13.2 HS 20.3L 108 !0.5 GUZ Krosno 2002 9 4.56 S 13.0 GA 25.4L 71 SEA Cowra, NSW 2002 9 3.54 S 12.9 GA 25.4L 71 SEA Cowra, NSW 2002 8 31.91 S 13.2 HS 25.6L 84 1.3 3 BIV Ablis 2002 8 31.87 [12.5 HS 20.3L 63 !0.5 GUZ Krosno 2002 8 17.05 S 12.1 TK 25.6L 84 1.2 3 BIV Ablis 2002 8 12.96 S 11.9 TK 25.6L 42 1.5 3 BIV Ablis 2002 8 10.96 S 12.4 HS 20.3L 63 1.2 4 GUZ Krosno (Still easy to see.) 2002 8 10.94 S 11.5 TK 25.6L 42 1.5 5 BIV Ablis 2002 8 6.93 S 11.8 HS 20.3L 63 1 5 GUZ Krosno 2002 8 6.89 S 12.6 AC 41.0L 121 0.5 5/ RES Szamotuly 2002 8 4.91 M 12.3 HS 20.3L 63 0.6 7 GUZ Krosno (Another outburst! Comet well visible despite hazy sky.) 2002 7 31.89 [12.8 HS 20.3L 63 ! 1 GUZ Krosno (Sky is brightening because of Moonrise, NEL=5.8 near this comet.) 2002 7 30.88 [12.5 HS 20.3L 63 ! 1 GUZ Krosno 2002 7 30.56 S 13.0 HS 28.0T 84 1 5 MAT Wallaroo, SA (Outburst.) 2002 6 21.00 M 12.2 HS 20.3L 63 1.5 3 GUZ Krosno 2002 6 19.00 M 12.0 HS 20.3L 63 1 4 GUZ Krosno 2002 6 14.68 S 12.2 TT 28.0T 133 1.0 6 MAT Wallaroo, SA 2001 10 14.46 [13.5 28.0T 88 MAT Wallaroo, SA 2001 10 8.53 [13.6 28.0T 88 MAT Wallaroo, SA 2001 9 9.54 [13.0 20.0L 45 MAT Wallaroo, SA 2001 8 23.60 S 12.5:HS 20.0L 45 1.5 3 MAT Wallaroo, SA (Comet in outburst. Poor contrast due to milky way interference.) 2001 7 22.64 S 14.0:HS 20.0L 160 0.5 4 MAT Wallaroo, SA (Transparency very good. At limit of visibility.) 2001 7 15.66 S 13.0:HS 20.0L 160 0.5 6 MAT Wallaroo, SA (Transparency average. Another outburst!) 2001 6 17.49 [14.0 20.0L 160 MAT Wallaroo, SA 2001 6 14.812 M 13.4 HS 40.6L 122 0.4 6 BOU Spreeufontein, Western Cape, RSA 2001 6 14.54 S 14.0:HS 20.0L 160 0.5 4 MAT Wallaroo, SA 2001 6 12.50 S 14.0:HS 20.0L 160 0.5 4 MAT Wallaroo, SA 2000 10 1.52 [13.0 HS 20.0L 160 MAT Wallaroo, SA 2000 8 28.54 [13.5 HS 20.0L 160 MAT Wallaroo, SA 2000 8 24.59 [12.5 HS 20.0L 160 MAT Wallaroo, SA 2000 8 2.57 [13.0 HS 20.0L 160 MAT Wallaroo, SA 2000 8 1.46 [13.0 HS 20.0L 160 MAT Wallaroo, SA 2000 7 25.53 [13.5 HS 20.0L 160 MAT Wallaroo, SA 2000 7 4.65 [13.5 HS 20.0L 160 MAT Wallaroo, SA 2000 6 4.60 [13.5 HS 20.0L 160 MAT Wallaroo, SA 2000 5 31.64 [13.5 HS 20.0L 160 MAT Wallaroo, SA 2000 4 5.63 [13.5 HS 20.0L 158 MAT Wallaroo, SA 2000 3 28.58 [13.0 HS 20.0L 158 MAT Wallaroo, SA