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* * * * * 12P/Pons-Brooks * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2024 8 29.37 M 10.3 AQ 40.0L 59 3.1 3/ WYA Walcha, NSW (Diffuse, transparent coma, enhances slightly in Swan Band filter.) 2024 8 6.38 M 9.8 TK 25.0L 40 5.2 4 WYA Walcha, NSW (Semi-transparent coma, opaque inner coma.) 2024 8 3.36 M 9.4 TK 40.0L 59 3.3 4 11m 280 WYA Walcha, NSW (Opaque coma, broad faint tail visible.) 2024 8 1.38 M 9.3 TK 25.0L 40 7.5 3/ WYA Walcha, NSW (Diffuse coma, opaque centre. Coma dims slightly in Swan Band filter.) 2024 7 23.36 M 8.8 TK 25.0L 40 4.6 4/ WYA Walcha, NSW (Coma diffuse with opaque centre. Faint coma extension to the West approximately. Coma dims in Swan Band filter.) 2024 7 10.36 M 8.1 TK 25.0L 40 6.6 5 WYA Walcha, NSW (Moonlight. Opaque coma, close to stars. Coma shows short, transparent and broad extension in an arc from the NW to SW.) 2024 7 5.92 S 7.8 HD 10.0B 20 4 4 GOI Araçatuba (Comet altitude 20°, Sun -16°.) 2024 6 28.36 M 7.5 TK 7.0B 15 7.5 3/ 9.5m 163 WYA Walcha, NSW (Diffuse coma with opaque centre. Very faint ion tail. Narrow, semi-opaque anti-tail traced to 22’ in p.a. 329 deg. approximately.) 2024 6 26.35 M 7.4 TK 7.0B 15 6.5 3/ WYA Walcha, NSW (Coma diffuse with opaque centre. Faint ion tail visible, traced to 16’ p.a. 161 deg. approximately. Anti-tail visible, traced to 8.5’ in p.a. 326 deg. approximately. Anti-tail seemed to be a little brighter and easier to see than the ion tail.) 2024 6 24.35 M 7.0 TK 7.0B 15 9 6 WYA Walcha, NSW (Coma diffuse with opaque centre. Tails visible using 25cmL at 40x, anti-tail traced to 23’ in p.a. 322 deg., and ion tail traced to 18’ in p.a. 164 deg. approximately.) 2024 6 23.93 S 7.3 HD 10.0B 20 4 4/ GOI Araçatuba (Comet near a star with m1 = 7.11. Nautical twilight.) 2024 6 23.35 S 7.8 AA 5.0B 10 SEA Cowra, NSW 2024 6 15.92 S 7.0 HD 10.0B 20 4 5 GOI Araçatuba (Moonlight.) 2024 6 12.92 S 6.5 HD 10.0B 20 5 5/ GOI Araçatuba (Moonlight.) 2024 6 11.35 M 6.2 TK 7.0B 15 7.5 6 39m 160 WYA Walcha, NSW (Moonlight. Altitude 19.1°. Faint Ion tail visible. Anti-tail visible, traced to 18’ in p.a. 342 deg. approximately.) 2024 6 10.35 B 6.6 AA 10.0B 25 SEA Cowra, NSW 2024 6 9.92 S 7.1 HD 10.0B 20 4 4/ 0.5 160 GOI Araçatuba 2024 6 3.34 M 6.2 TK 7.0B 15 6 6 1.2 162 WYA Walcha, NSW (Altitude 19.9°. Faint Ion tail visible. Anti-tail visible, traced to 30’ in p.a. 345 deg. approximately.) 2024 6 2.35 B 6.4 AA 10.0B 25 8 6 0.4 150 SEA Cowra, NSW 2024 6 1.92 M 6.7 HD 10.0B 20 4 5 1.0 155 GOI Araçatuba 2024 6 1.35 S 6.0 AA 5.0B 10 SEA Cowra, NSW 2024 5 29.36 M 6.2 TK 7.0B 15 9 5 46m 156 WYA Walcha, NSW (Altitude 12.3°. Faint anti-tail visible, traced to 19’ in p.a. 343 deg. approximately.) 2024 5 28.92 M 6.1 HD 10.0B 20 5 5 1.0 150 GOI Araçatuba (Comet altitude 15°, Sun altitude -14°. Fan-shaped tail, between angles of 110 and 150 deg., measuring 1° at its greatest extent.) 2024 5 28.34 M 6.0 TK 7.0B 15 6.3 5/ 1.2 143 WYA Walcha, NSW (Altitude 17.8°. Faint anti-tail visible, traced to 40’ in p.a. 350 deg. approximately.) 2024 5 27.34 M 5.9 TK 7.0B 15 8 5 45m 149 WYA Walcha, NSW (Altitude 18.4°. Faint anti-tail visible, traced to 13’ in p.a. 348 deg. approximately.) 2024 5 26.34 M 5.8 TK 7.0B 15 8 5/ 1.0 150 WYA Walcha, NSW (Altitude 17.9°.) 2024 5 23.35 M 5.7 TK 7.0B 15 6.7 5 37m 144 WYA Walcha, NSW (Moonlight. Altitude 14.0°.) 2024 5 22.34 M 5.6 TK 7.0B 15 5 5/ 1.0 140 WYA Walcha, NSW (Moonlight. Altitude 16.6°.) 2024 5 20.35 M 5.6 TK 7.0B 15 7 6 1.9 140 WYA Walcha, NSW (Moonlight. Altitude 12.3°.) 2024 5 19.91 sM 5.8 HD 10.0B 20 4 5/ 0.5 145 GOI Araçatuba (Moonlight. Comet altitude 14°, Sun altitude -13°.) 2024 5 19.35 M 5.7 TK 7.0B 15 7.5 5/ 1.0 138 WYA Walcha, NSW (Moonlight. Altitude 14°.) 2024 5 18.93 sM 5.7 HD 10.0B 20 4 5/ GOI Araçatuba (Moonlight. Comet altitude 8°.) 2024 5 17.36 M 5.6 TK 7.0B 15 6.8 5 1.2 135 WYA Walcha, NSW (Moonlight. Low altitude 8.2°.) 2024 5 15.92 M 5.8 HD 10.0B 20 4.5 6/ 1.0 145 GOI Araçatuba (Moonlight. Comet altitude 11°, Sun altitude -15°.) 2024 5 14.35 M 5.4 TK 7.0B 15 7.5 5 2.6 134 WYA Walcha, NSW (Moonlight. Low altitude 10.3°. Tail visible, traced to 2.6° using averted vision, about 42’ visible with direct vision and appears opaque. Faint anti-tail visible, traced to 15’ in p.a. 10 deg. approximately.) 2024 5 13.36 M 5.3 TK 7.0B 15 6 5 1.3 134 WYA Walcha, NSW (Moonlight. Low altitude 7.7°.) 2024 5 12.93 aM 5.4 HD 5.0B 7 6 6 1.0 140 GOI Araçatuba (Moonlight. Comet altitude 8°, Sun altitude -18°.) 2024 5 12.92 aM 5.5 HD 10.0B 20 5 7 1.5 140 GOI Araçatuba (Moonlight. Comet altitude 11°, Sun altitude -15°.) 2024 5 12.36 B 4.9 AA 10.0B 25 1.5 SEA Cowra, NSW (Ray structure suspected in tail. Tail traced for at least 2 degrees in 10x50B.) 2024 5 12.35 M 5.1 TK 7.0B 15 8 5 3.0 130 WYA Walcha, NSW (Moonlight. Low altitude 12.9°.) 2024 5 9.92 M 5.1 HD 10.0B 20 5 7 1.5 135 GOI Araçatuba (Comet altitude 11°, Sun altitude -15°.) 2024 5 7.36 M 4.8 TK 7.0B 15 6.7 6 3.3 122 WYA Walcha, NSW (Low altitude 8.1°. Transparent tail visible.) 2024 5 7.35 S 4.3 TK 0.0E 1 15 3 WYA Walcha, NSW (Low altitude 9.4°. Visible as a small round faint nebulous patch.) 2024 5 6.35 M 5.0 TK 7.0B 15 5.8 6 2.4 120 WYA Walcha, NSW (Low altitude 9.8°. Transparent tail visible.) 2024 5 5.93 sM 4.8 HD 5.0B 7 6 6 0.5 130 GOI Araçatuba (Comet altitude 7°, Sun altitude -18°.) 2024 5 5.92 sM 4.9 HD 10.0B 20 5 7 1.5 130 GOI Araçatuba (Comet altitude 10°, Sun altitude -15°.) 2024 5 5.35 M 4.9 TK 7.0B 15 6 6 3.4 120 WYA Walcha, NSW (Low altitude 9.7°. Transparent tail visible. Short faint ray visible appearing behind coma on the Southern side of the tail, extending for about 0.5° approximately in p.a. 122 deg. Broad dust tail visible as faint patch at about p.a. 77 deg. and extending for about 0.5°. Comet coma was faintly visible to the naked eye as a round nebulous patch with averted vision, tail not visible.) 2024 5 3.92 aM 4.7 HD 5.0B 7 6 6 1.0 120 GOI Araçatuba (Comet altitude 10°, Sun altitude -14°.) 2024 5 3.36 M 4.8 TK 7.0B 15 10 6 3.7 111 WYA Goonoo Goonoo, Tamworth, NSW (Low altitude 5.4°. Transparent tail visible. Coma aqua-blue in colour, transparent outer coma, opaque inner coma.) 2024 5 1.93 M 4.6 HD 5.0B 7 6 6 1.0 115 GOI Araçatuba 2024 5 1.93 M 4.7 HD 10.0B 20 5 7 1.0 115 GOI Araçatuba (Comet altitude 8°, Sun altitude -16°.) 2024 4 30.92 M 4.7 HD 10.0B 20 5 7 0.7 115 GOI Araçatuba (Comet altitude 10°, Sun altitude -14°.) 2024 4 29.35 M 4.7 TK 7.0B 15 6 6 3.0 107 WYA Walcha, NSW (Faint tail visible. Altitude of comet 8.4°. Coma and pseudo-nucleus aqua-blue in colour. Broad white patch behind coma extends for 18’ behind the coma on the South side. Faint structure in ion tail appears to be curved to the North for about 1.5° approximately.) 2024 4 28.92 aM 4.6 HD 10.0B 20 5 7 0.7 110 GOI Araçatuba (Comet altitude 10°, Sun altitude -14°.) 2024 4 28.35 M 4.6 TK 7.0B 15 4 6 2.6 94 WYA Walcha, NSW (Faint tail visible. Altitude of comet 7.1°. Coma pale aqua-blue in colour. Central condensation strongly enhances in Swan Band filter. Faintly visible naked eye using averted vision as a small fuzzy patch briefly, and was unable to obtain a naked eye m1 value. Was able to detect ν Tau and 40 Tau naked eye nearby.) 2024 4 27.36 B 4.4 AA 5.0B 10 SEA Cowra, NSW 2024 4 27.36 M 4.7 TK 7.0B 15 8 6 2.0 105 WYA Walcha, NSW (Altitude of comet 5.3°. Coma pale aqua-blue in colour, stellar pseudo-nucleus visible.) 2024 4 26.92 M 4.5 HD 10.0B 20 5 7 0.7 100 GOI Araçatuba (Comet altitude 9°, Sun altitude -14°.) 2024 4 26.36 B 4.5 AA 10.0B 25 0.7 85 SEA Cowra, NSW 2024 4 26.35 M 4.7 TK 7.0B 15 5 6 55m 98 WYA Walcha, NSW (Twilight. Moon at -1.4° altitude in the East. Sun altitude -15.4°. Faint tail visible. Altitude of comet 7.6°. Coma pale aqua-blue in colour. Tail shows whitish coloured patch to about 15’ behind the coma before dissipating into the tail [dust?].) 2024 4 25.92 sM 4.4 HD 10.0B 20 5 7 0.7 100 GOI Araçatuba (Comet altitude 8°, Sun altitude -14°.) 2024 4 25.36 B 4.6 AA 10.0B 25 SEA Cowra, NSW (Somewhat brighter in Swan Band filter.) 2024 4 24.36 S 4.4 AA 8.0B 15 SEA Cowra, NSW 2024 4 24.35 M 4.9 TK 7.0B 15 3.8 6 0.5 93 WYA Walcha, NSW (Moonlight. Twilight. Sun altitude -13.9°. Faint tail visible. Altitude of comet 8.1°.) 2024 4 23.92 sM 4.2 HD 10.0B 20 5 7/ 0.5 100 GOI Araçatuba (Comet altitude 9°, Sun altitude -13°. Moonlight.) 2024 4 23.35 aM 4.7 TK 7.0B 15 3.9 6 19.5m 90 WYA Walcha, NSW (Moonlight. Faint tail. Altitude of comet 6.3°.) 2024 4 22.35 aM 4.8 TK 7.0B 15 3.7 6 22.0m 90 WYA Walcha, NSW (Moonlight. Faint tail. Altitude of comet 6.9°.) 2024 4 21.92 M 4.4 HD 10.0B 20 5 7 0.3 95 GOI Araçatuba (Altitude 8°, altitude Sun -13°. Moonlight.) 2024 4 21.36 aM 4.5 TK 7.0B 15 2.3 6 9.2m 89 WYA Walcha, NSW (Moonlight. Faint tail. Altitude of comet 4.3°.). 2024 4 20.92 M 4.3 HD 10.0B 20 5 7 0.5 90 GOI Araçatuba (Altitude 8°, altitude Sun -13°. Moonlight.) 2024 4 19.92 sM 4.3 HD 10.0B 20 5 7 0.5 90 GOI Araçatuba (Altitude 7°, altitude Sun -12°. Moonlight.) 2024 4 19.36 aM 4.7 TK 7.0B 15 5 6 15m 95 WYA Walcha, NSW (Moonlight. Faint tail. Altitude of comet 3.7°.). 2024 4 18.92 sS 3.9:HD 10.0B 20 4 6/ GOI Araçatuba (Altitude 8°, altitude Sun -12°. Moonlight.) 2024 4 12.84 B 4.2 TK 5.0B 10 5 7/ 1.2 50 GON Collada de Aralla, León (Astronomical twilight. Altitude 9°.) 2024 4 10.92 sS 4.2 HD 10.0B 20 3 6 GOI Araçatuba (Altitude 5°, altitude Sun -12°.) 2024 4 10.819 S 4.4 TK 5.0B 7 3 8 LOO Genk (Twilight. Altitude comet 9°.) 2024 4 10.815 M 4.2 TK 8.0B 15 6 8/ DIJ Burlage 2024 4 9.817 M 4.1 TK 8.0B 15 8/ DIJ Burlage 2024 4 8.85 I 3.8 TK 0.0E 1 5 8 GON Santas Martas, León 2024 4 8.84 B 3.9 TK 5.0B 10 5 7/ 1.8 50 GON Santas Martas, León 2024 4 8.819 M 4.1 TK 8.0B 15 8/ DIJ Burlage 2024 4 4.802 S 4.7 TK 5.0B 10 5 8 LOO Genk (Twilight. Altitude comet 15°.) 2024 4 1.86 B 4.9 TK 5.0B 10 5 7/ 1.6 40 GON Collado del Fresno - Sierra del Aramo, Asturias 2024 4 1.85 I 4.8 TK 0.0E 1 5 8 GON Collado del Fresno - Sierra del Aramo, Asturias 2024 4 1.83 S 4.8 TK 8.0B 15 6 6 1.2 40 SCH Eerbeek (Altitude 11°, altitude Sun -16°. Weak iontail visible.) 2024 4 1.810 M 4.5 TK 8.0B 15 6 8/ 0.5 40 DIJ Burlage 2024 4 1.808 S 5.1 TK 5.0B 7 4 6 LOO Genk (Twilight. Altitude comet 15°.) 2024 3 30.800 S 4.8 TK 6.5B 15 5 7 LOO Genk (Twilight. Altitude comet 18°.) 2024 3 29.42 M 4.8 YG 6.6R 10 7 7 0.4 50 YOS Miura City, Kanagawa 2024 3 28.82 S 5.0 TK 5.6B 8 6 6 0.5 45 SCH Eerbeek (Altitude 15°, altitude Sun -15°. Weak iontail visible.) 2024 3 28.805 S 4.9 TK 6.5B 15 5 7 LOO Genk (Altitude 17°.) 2024 3 25.80 S 5.0 TK 8.0B 15 & 7 5/ SCH Bussloo (Altitude 19°. Twilight [Altitude Sun -12°.] Moonlight [Full Moon low above horizon.].) 2024 3 24.85 S 5.0 TK 5.6B 8 & 7 6 SCH Eerbeek (Altitude 10°. Moonlight [Full Moon].) 2024 3 24.807 S 5.0 TK 6.5B 15 5 6 LOO Genk (Altitude 18°. Moonlight.) 2024 3 23.85 S 5.0 TK 5.6B 8 & 7 6 SCH Eerbeek (Altitude 10°. Moonlight [almost Full Moon]. In 15x80B, hint of weak short tail in p.a. 40 deg.) 2024 3 23.811 M 4.7 TK 8.0B 15 6 8/ 1.6 36 DIJ Burlage (Moonlight.) 2024 3 21.44 M 5.4 HV 40.0L 36 6 7 YOS Mt. Tsukuba, Ibaraki (Moonlight. Very strongly condensed.) 2024 3 20.800 S 5.1 TK 6.5B 15 5 6 LOO Genk (Moonlight.) 2024 3 18.83 S 5.3 TK 5.6B 8 & 8 6 SCH Bussloo (Altitude 15°. Moonlight. In 15x80B weakly a short tail of about 0.5° in p.a. 35 deg.) 2024 3 18.816 M 5.5 TK 8.0B 15 6.5 8 1.1 24 DIJ Burlage (Moonlight.) 2024 3 18.804 M 5.4 YG 8.0B 15 4.5 8 0.6 30 BOU Sint Annen (Altitude 20.5°. Short, very faint tail still visible despite moonlight.) 2024 3 16.806 M 5.4 YG 8.0B 15 6 8 1.0 30 BOU Sint Annen (Altitude 20.5°. Very faint tail still visible despite moonlight.) 2024 3 16.793 M 5.6 TK 8.0B 15 6.8 8 1.2 23 DIJ Burlage (Moonlight.) 2024 3 11.84 B 5.4 TK 5.0B 10 6 7 1.8 20 GON Brime de Urz, Zamora 2024 3 11.83 I 5.3 TK 0.0E 1 5 8 GON Brime de Urz, Zamora 2024 3 9.799 M 5.6 YG 8.0B 15 5 7/ 1.2 25 BOU Sint Annen 2024 3 9.791 M 5.8 TK 8.0B 15 6 8/ 1 15 DIJ Burlage 2024 3 8.81 S 5.7 TK 5.6B 8 &10 5 SCH Bussloo (In 15x80B, hint of tail in p.a. 30 deg.) 2024 3 8.806 M 5.9 TK 8.0B 15 5 8/ 34m 23 DIJ Burlage 2024 3 8.803 M 5.7 YG 8.0B 15 6 7 BOU Burlage, Germany 2024 3 7.828 M 5.7 YG 5.0B 10 & 6 6 BOU Sint Annen 2024 3 7.802 M 5.8 TK 8.0B 15 5 8/ 1.1 30 DIJ Burlage 2024 3 6.785 S 6.0 TK 5.0B 10 5 7 LOO Genk 2024 3 5.82 B 5.7 TK 5.0B 10 5 7 1.2 10 GON Alto del Trichero, León 2024 3 4.774 S 6.2 TK 10.0B 14 4.5 6 LOO Genk 2024 3 3.803 M 5.8 YG 8.0B 15 7.5 7 0.6 20 BOU Sint Annen 2024 3 3.80 S 5.7 TK 5.6B 8 &10 4/ SCH Eerbeek (Grey sky [hazy, clouds]. In 20.0L at 42x, weak short tail of about 0.15° in p.a. 15 deg.) 2024 3 3.792 M 5.9 TK 8.0B 15 7 8/ 38m 14 DIJ Burlage 2024 3 2.86 S 5.6 TK 5.6B 8 &10 5 SCH Eerbeek (Low elevation 12°, some citylight/clouds.) 2024 3 2.799 B 5.9 YG 5.0B 10 & 5 6 BOU Sint Annen (Briefly seen in a small clearing between bands of cirrus.) 2024 3 1.795 M 5.8 TK 8.0B 15 6 8 DIJ Burlage 2024 2 26.802 M 6.4 TK 8.0B 15 6.3 6/ DIJ Burlage 2024 2 25.766 M 6.5 TK 8.0B 15 7 6/ DIJ Burlage (Moonlight.) 2024 2 23.771 M 6.6 TK 8.0B 15 6 6/ DIJ Burlage (Moonlight.) 2024 2 13.82 S 6.9 TK 5.0B 10 6 6 GON Collada del Fresno - Sierra del Aramo, Asturias 2024 2 12.803 S 7.5 TK 15.5L 29 5.1 5/ DIJ Burlage 2024 2 12.794 M 7.4 TA 15.6L 29 6 6 BOU Sint Annen 2024 2 12.77 S 7.2 TK 20.0L 42 5 5 SCH Eerbeek 2024 2 12.764 S 7.3 TK 32.0L 70 4.5 6 LOO Genk 2024 2 12.39 S 8.0 TJ 40.0L 75 4 5/ YOS Mt. Hanadate, Ibaraki (Bright and strongly condensed, although it locates low in the evening glow.) 2024 2 1.770 S 8.1 TK 15.5L 42 3.8 5 DIJ Burlage 2024 1 28.766 S 8.3 TK 15.5L 50 3.6 5 DIJ Burlage 2024 1 28.76 S 7.7 TK 20.0L 42 5 3/ SCH Eerbeek 2024 1 19.75 S 8.2 TK 20.0L 38 4 5 SCH Bussloo (Moonlight.) 2024 1 18.794 S 9.2 TK 15.5L 50 2.6 5 DIJ Burlage (Moonlight.) 2024 1 16.754 S 9.5 TK 15.5L 50 3.0 4 DIJ Burlage (Moonlight.) 2024 1 14.790 S 9.5 TK 15.5L 50 2.3 4 DIJ Burlage (Moonlight.) 2024 1 10.80 S 9.0 TK 20.0L 42 4 2 SCH Eerbeek 2024 1 10.750 M 8.9 TA 25.4J 47 4 4/ BOU Sint Annen 2024 1 9.76 S 9.1 TK 20.0L 42 5 2 SCH Eerbeek 2024 1 9.757 M 9.1 TA 25.4J 58 3.2 4 BOU Sint Annen 2024 1 8.760 M 9.3 TA 25.4J 58 3 4 BOU Sint Annen 2024 1 8.760 S 9.5 TK 15.5L 50 3.2 4 DIJ Burlage 2024 1 8.75 S 9.1 TK 20.0L 42 5 2 SCH Eerbeek 2024 1 7.76 S 9.4 TK 20.0L 42 & 2 3 SCH Eerbeek (Comet uncomfortably close to star TYC 3137-0491-1 [9.3].) 2024 1 7.738 S 9.5 TK 15.5L 50 2.2 4/ DIJ Burlage (Comet close to magn. 9.3 star.) 2024 1 7.729 M 9.2 TA 25.4J 58 3.5 4 BOU Sint Annen (Comet moving towards star of magn. 9.2, but still well separated.) 2023 12 17.74 S 8.6 TK 20.0L 42 & 7 2 SCH Eerbeek (Big and diffuse comet. Moonlight.) 2023 12 17.710 S 9.2 TK 15.5L 42 3 3/ DIJ Burlage (Moonlight.) 2023 12 14.81 S 9.5 TK 20.3T 77 5 2/ GON Villacintor, León (Starlike central condensation after the recent new outburst. 5' wide and diffuse outer coma, remnant of the previous outbursts.) 2023 12 12.241 S 8.9 TK 8.0B 15 4 4/ DIJ Burlage 2023 12 6.81 S 9.1 TK 20.0L 80 3 2 SCH Eerbeek (Diffuse after outburst. Comet only 30’ from Wega.) 2023 12 2.81 S 8.5 TK 20.3T 77 6 2/ GON Embalse de Barrios de Luna, León (New outburst. Near-stellar central condensation, m2=10.1 [TK]. Wide and very diffuse outer coma, remnant of the previous big outburst.) 2023 12 1.76 S 9.8 TK 35.6T 98 & 1 8 SCH Bussloo 2023 11 21.917 S 8.8 TK 8.0B 15 4.5 1/ DIJ Burlage 2023 11 17.783 S 8.8 TK 8.0B 15 3 8 DIJ Burlage 2023 11 17.778 M 9.1 TA 25.4J 58 3.5 7 BOU Sint Annen (Bright, disk-like inner coma of about 1.5' diameter in a faint outer coma.) 2023 11 16.80 B 9.2 TK 20.3T 77 1.5 7 GON Cueto Rosales, León (After the recent big new outburst, brighter inner coma : 1'.5. Wide and very diffuse outer coma : 4', remnant of previous outbursts.) 2023 11 12.759 S 10.8 AQ 25.4J 58 2.5 3 BOU Sint Annen 2023 11 11.902 S 10.6 AQ 15.5L 50 2.6 3 DIJ Burlage 2023 11 6.86 S 10.4 TK 20.3T 77 1.8 5 GON Vallecillo, León (After the recent new outburst : brighter inner coma. Wide and very diffuse outer coma : 5', remnant of previous outbursts.) 2023 11 6.757 S 10.4 AQ 15.5L 50 2.1 4 DIJ Burlage 2023 10 20.84 S 10.5 TK 20.3T 77 7 2/ GON Villacintor, León (Wide and very diffuse outer coma, remnant of the previous big outburst.) 2023 10 17.785 S 11.7 AQ 25.4J 72 2.0 3/ BOU Westerwijtwerd 2023 10 14.794 S 12.1 AQ 15.5L 70 1.5 2/ DIJ Burlage 2023 10 9.83 S 10.8 TK 20.3T 77 7 3/ GON Alto del Castro, León (After the new outburst, brighter inner coma m=11.7 [AQ], 0'.9. Wide and very diffuse outer coma, remnant of the previous big outburst.) 2023 10 5.83 I 11.7 AQ 20.3T 77 8/ GON Alto del Castro, León (New outburst. Near-stellar central condensation, m2=11.7 [AQ]. 7' wide and very diffuse outer coma, remnant of the previous big outburst.) 2023 9 23.98 S 11.6 AQ 20.3T 100 6 0/ GON Alto del Castro, León 2023 9 14.02 S 11.5 AQ 20.3T 100 6 0/ GON Villalan de Campos, Valladolid 2023 8 27.04 S 11.5 AQ 20.3T 77 6 1 GON Villacintor, León 2023 8 22.894 S[12.0:AQ 25.4J 72 !3.5 0 BOU Sint Annen 2023 8 21.92 S 11.8 AQ 20.3T 77 5 1 GON Cueto Rosales, León 2023 8 19.913 S 12.5 AQ 15.5L 100 1.5 3 DIJ Burlage (Close to magn. 11.2 star.) 2023 8 14.11 S 11.7 AQ 20.3T 77 5 1 GON Alto del Castro, León 2023 8 12.937 S 12.2 AQ 15.5L 50 1.3 4 DIJ Burlage 2023 8 10.90 S 12.3 AQ 35.6T 140 &2.5 2 SCH Bussloo (Diffuse coma. Star m = 14.2 in coma.) 2023 8 8.920 S 11.7 AQ 15.5L 71 1.7 4 DIJ Burlage 2023 8 8.903 S 12.0 AQ 25.4J 72 2.5 1/ BOU Westerwijtwerd (Very diffuse object. Some interference from nearby star of magn. 10.4.) 2023 8 7.90 S 11.7 AQ 20.3T 77 3.5 1/ GON Alto del Castro, León (Very diffuse post-outburst expanding coma.) 2023 8 7.888 S 11.6 AQ 15.5L 50 2.2 4/ DIJ Burlage 2023 7 30.022 S 11.9 AQ 15.5L 50 1.2 7 DIJ Burlage 2023 7 30.009 M 11.7 AQ 25.4J 72 2.0 4 BOU Westerwijtwerd 2023 7 30.00 S 11.3 TK 20.0L 114 1.5 7 SCH Eerbeek (Difficult observation. Only averted vision.) 2023 7 26.952 M 11.7 AQ 25.4J 88 1.3 5/ BOU Westerwijtwerd 2023 7 26.917 S 12.1 AQ 15.5L 100 0.6 8 DIJ Burlage 2023 7 24.972 M 11.5 AQ 25.4J 72 1.0 7 BOU Westerwijtwerd 2023 7 23.978 S 11.9 AQ 15.5L 100 0.5 8 DIJ Burlage 2023 7 22.59 M 11.9 TJ 40.0L 144 0.6 8 YOS Mt. Tsukuba, Ibaraki (Looks like a planetary nebula with a high magnification.) 2023 7 22.59 I 12.1 TJ 40.0L 75 [0.5 8/ YOS Mt. Tsukuba, Ibaraki (Very strongly condensend and looks sharp. Almost stellar with a low magnification.) 2023 7 22.51 M 11.5 AQ 25.0L 125 0.7 4/ WYA Walcha, NSW (Extremely low altitude 3.2°. Diffuse with opaque centre.) 2023 7 21.978 B 11.8 AQ 25.4J 72 8/ BOU Westerwijtwerd (Near-stellar appearance, but image slightly softer than nearby stars of similar brightness.) 2023 7 21.917 B 11.3 TK 15.5L 50 0.3 9 DIJ Burlage 2023 7 21.91 I 11.6 TK 20.3T 77 9 GON Santiago Millas, León (In outburst. Stellar appearance.) 2023 7 20.982 B 11.5 AQ 25.4J 72 9 BOU Westerwijtwerd (In outburst. Stellar appearance.)