|
* * * * * C/2020 V2 (ZTF) * * * * *
Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2024 3 5.40 M 13.1 AQ 40.0L 108 1.1 4 WYA Walcha, NSW (Diffuse, opaque centre. Low altitude 9.7°.) 2024 2 2.42 M 12.6 AQ 40.0L 108 1.7 4/ WYA Walcha, NSW (Opaque centre. Poor seeing.) 2024 2 1.42 M 13.2 AQ 40.0L 108 1.2 4 WYA Walcha, NSW (No enhancement in Swan Band filter. Opaque centre, transparent outer coma.) 2024 1 3.42 M 13.0 AQ 40.0L 108 1.5 6 WYA Walcha, NSW (Slight twilight interference. Stellar pseudo-nucleus visible, extended outer coma. No enhancement in Swan Band filter.) 2023 12 5.48 M 11.8 AQ 40.0L 59 2.5 6 3.8m 46 WYA Walcha, NSW (Faint tail visible. Faint stellar pseudo-nucleus visible. No enhancement in Swan Band filter.) 2023 10 20.98 S 10.1 TK 20.3T 100 3 3/ GON Villacintor, León (Altitude 8°.) 2023 10 14.42 M 10.7 AQ 40.0L 59 2.2 6 19.0m 26 WYA Walcha, NSW (Dust tail visible. No enhancement in Swan Band filter. Galaxy NGC 300 in field, 18’ away. Nice rendezvous!) 2023 10 10.02 S 9.8 TK 20.3T 77 3 4 GON Alto del Castro, León (Altitude 12°.) 2023 10 3.43 M 10.3:TK 40.0L 59 2.2 6 32.0m 9 WYA Walcha, NSW (Dust tail visible. Star in coma. Magnitude uncertain.) 2023 9 24.01 S 9.9 TK 20.3T 77 3.5 4/ GON Alto del Castro, León 2023 9 18.70 M 10.2 TK 40.0L 59 3 6 18.0m 3 WYA Walcha, NSW (Stellar pseudo-nucleus. Faint tail visible. Coma enhances in Swan Band filter.) 2023 9 17.20 S 9.8 TK 22.0L 60 4 4 GOI Araçatuba 2023 9 16.48 M 10.9 AQ 40.0L 59 6 6 3.5m335 WYA Walcha, NSW (Stellar pseudo-nucleus visible. Faint tail visible. Coma dims slightly in Swan Band filter.) 2023 9 16.29 S 9.8 TK 22.0L 60 4 4 GOI Araçatuba 2023 9 14.05 S 9.6 TK 20.3T 77 3.5 5 GON Villalan de Campos, Valladolid 2023 8 29.79 S 11.1 TJ 40.0L 75 2.5 6 YOS Mt. Tsukuba, Ibaraki (Strongly condensed and easy to see.) 2023 8 29.087 M 10.1 AQ 25.4J 58 2.6 4/ BOU Westerwijtwerd 2023 8 28.094 S 9.9 AQ 25.4J 58 3 4 BOU Westerwijtwerd 2023 8 27.102 S 10.2 AQ 15.5L 50 4 3/ DIJ Burlage 2023 8 27.10 S 9.6 TK 20.3T 77 3.5 5 GON Villacintor, León 2023 8 25.69 M 9.9 AQ 40.0L 59 3.4 6 15.0m 7 WYA Walcha, NSW (Dust tail visible.) 2023 8 23.031 S 10.0 AQ 15.5L 50 3.7 4 DIJ Burlage 2023 8 22.24 S 10.3 TK 22.0L 60 2.5 2/ GOI Araçatuba 2023 8 22.18 S 9.7 TK 20.3T 77 3 5 GON Cueto Rosales, León (Astronomical twilight.) 2023 8 21.75 M 10.1 AQ 25.0L 40 2.7 6 13.5m 15 WYA Walcha, NSW (Faint dust tail visible. Ion tail traced to 1.7’ in length in p.a. 270 deg. approximately. Opaque fan-shaped inner coma to NE, enhances in Swan Band filter.) 2023 8 21.082 M 10.1 AQ 25.4J 58 2.5 4/ BOU Westerwijtwerd 2023 7 29.29 S 9.8 TK 10.0B 20 3 3 GOI Araçatuba 2023 7 22.72 S 10.3 TJ 40.0L 144 1.6 4 YOS Mt. Tsukuba, Ibaraki (Looks diffuse due to the light pollution.) 2023 7 16.76 S 10.2 TJ 40.0L 75 3.2 7 YOS Kita-karuizawa, Gunma (Strongly condensed, bright and large, and easy to see.) 2023 7 15.31 S 10.0 TK 10.0B 20 3 2 GOI Araçatuba 2023 6 24.16 S 10.2 TK 25.4L 40 & 4 7 SCH Tivoli, Namibia (Zodiacal light. Altitude 20°.) 2023 6 23.17 S 9.9 TK 25.4L 40 & 4 5 SCH Tivoli, Namibia (Zodiacal light. Altitude 20°.) 2023 6 22.16 S 9.7 TK 25.4L 40 & 5 6 SCH Tivoli, Namibia (Zodiacal light. Altitude 20°.) 2023 6 17.17 S 10.2 TK 25.4L 40 & 3 5 SCH Tivoli, Namibia (Zodiacal light. Altitude 20°.) 2023 6 16.79 M 10.6 AQ 40.0L 59 2.5 6 WYA Walcha, NSW (Low altitude 12.1°. Enhances in Swan Band filter, opaque centre. Transparent outer coma, faint stellar pseudo-nucleus visible. Hint of faint tail to the North approximately.) 2023 4 14.86 S 9.4 TK 20.3T 100 3 5 GON Alto del Trichero, León 2023 3 26.86 S 9.8 TK 20.3T 77 3 5/ GON Alto del Trichero, León 2023 3 15.867 S 9.9 AQ 15.5L 50 3 3 DIJ Burlage 2023 3 15.85 S 9.7 TK 20.3T 77 3.5 4/ 0.1 20 GON Alto del Trichero, León 2023 3 14.859 M 10.4 AQ 25.4J 72 1.7 5 BOU Westerwijtwerd (Comet close to star of magn. 11.6.) 2023 3 14.833 S 9.6 TK 15.5L 50 2.8 4 DIJ Burlage 2023 3 14.83 S 10.2 TK 20.0L 80 & 2 3 SCH Eerbeek (Comet close to star TYC 2319-0982-1 [12.0].) 2023 3 13.835 M 10.4 AQ 25.4J 88 1.5 5 BOU Westerwijtwerd (Comet only 3' from stars of magn. 5.8 and 6.1 [TK], but well visible.) 2023 3 11.918 S 9.2 TK 15.5L 50 2.1 2/ DIJ Burlage 2023 2 26.809 S 9.9 AC 20.0L 100 1 4 LOO Genk (Moonlight.) 2023 2 19.87 S 10.2 TK 20.0L 80 2 5 SCH Eerbeek (Comet close to star TYC 3278-1192-1 [6.6].) 2023 2 16.95 S 9.0 TK 7.0B 15 7 4 GON Cueto Rosales, León 2023 2 16.94 S 9.4 TK 20.3T 77 4 4/ 0.1 30 GON Cueto Rosales, León 2023 2 15.935 M 10.2 AQ 25.4J 58 2.3 4/ BOU Sint Annen 2023 2 14.87 S 10.6 TK 35.6T 122 1.5 4 SCH Bussloo (Stars 11.2/12.1 close to comet.) 2023 2 14.840 S 9.6 AQ 15.5L 50 2.6 3 DIJ Burlage 2023 2 13.83 S 10.3 TK 20.0L 42 2 6 SCH Eerbeek (Comet close to star TYC 3286-1981-1 [10.3].) 2023 2 12.879 S 10.0 AC 32.0L 70 1 5 LOO Genk 2023 2 10.85 S 8.7 TK 7.0B 15 8 3 GON Alto del Trichero - Soto y Amío, León 2023 2 8.781 M 10.0 AQ 25.4J 72 2.3 6/ BOU Sint Annen (Reddish star of magn. 9.9 [AQ] at edge of coma.) 2023 2 8.777 S 9.5:TK 8.0B 15 3 2/ DIJ Burlage (Star of magn 10 at edge of coma.) 2023 2 8.77 S 10.0 TK 20.0L 42 2 6 SCH Eerbeek (Comet close to star TYC 3290-1467-1 [10.0].) 2023 2 7.77 S 10.0 TK 20.0L 42 2 6 SCH Eerbeek 2023 1 26.806 M 9.9 AQ 25.4J 72 2.5 6 BOU Sint Annen (Moonlight.) 2023 1 22.83 S 9.6 TK 20.3T 77 3.5 4/ GON Villacintor, León 2023 1 21.87 S 9.8 TK 20.0L 42 4 3 SCH Eerbeek 2023 1 20.93 S 9.5 TK 20.0L 42 4 3 SCH Eerbeek 2023 1 19.844 M 9.7 TK 25.4J 72 2.4 6/ BOU Sint Annen 2023 1 19.76 S 9.6 TK 20.0L 42 3 5 SCH Eerbeek 2023 1 17.918 M 9.8 TK 25.4J 58 2.5 5/ BOU Sint Annen 2023 1 17.906 S 9.0 TK 8.0B 15 3.5 3/ DIJ Burlage 2023 1 17.79 S 10.2 TK 20.0L 75 3 5 SCH Bussloo 2023 1 8.73 S 9.9 TK 20.0L 42 2 6 SCH Eerbeek (Altitude Sun -15 deg. Moon very low above horizon [3 deg.].) 2023 1 3.23 S 9.7 TK 20.3T 77 3.5 4 GON Sierra del Fito, Asturias 2022 12 30.19 S 10.0 TK 20.0L 42 4 4 SCH Eerbeek 2022 12 30.141 M 9.9 AQ 25.4J 58 3 6 BOU Sint Annen 2022 12 30.034 S 9.7 TK 15.5L 42 3.8 5/ DIJ Burlage 2022 12 28.10 S 9.7 TK 20.3T 77 3.5 4 GON Aldeanueva de Figueroa, Salamanca 2022 12 26.819 S 10.1 AQ 15.5L 42 2.3 4 DIJ Burlage 2022 12 26.74 S 9.8 TK 20.0L 42 4 5 SCH Eerbeek 2022 12 24.763 M 10.1 AQ 25.4J 72 2.2 6/ BOU Westerwijtwerd 2022 12 24.736 S 10.3 AQ 15.5L 42 2.3 5 DIJ Burlage 2022 12 15.75 S 9.5 TK 20.0L 42 3 5 SCH Eerbeek 2022 12 14.75 S 9.6 TK 20.0L 42 3 5 SCH Eerbeek 2022 12 14.720 M 10.2 AQ 25.4J 58 2.2 6 BOU Westerwijtwerd 2022 12 13.726 S 10.2 AQ 15.5L 42 4 5/ DIJ Burlage 2022 12 12.790 S 10.3 AQ 15.5L 50 3 4/ DIJ Burlage 2022 12 12.731 M 10.2 AQ 25.4J 58 2.0 6 BOU Sint Annen 2022 12 12.73 S 9.7 TK 20.0L 80 2 5 SCH Eerbeek 2022 12 2.15 S 10.2 TK 20.3T 77 3.5 4/ GON Alto del Castro, León 2022 11 25.938 S 10.6 AQ 15.5L 50 1.9 4/ DIJ Burlage 2022 11 25.93 S 10.7 TK 35.6T 98 1.5 4 SCH Bussloo 2022 11 25.732 M 10.7 AQ 25.4J 72 1.7 6 BOU Sint Annen 2022 11 24.737 M 10.7 AQ 25.4J 72 1.8 6 BOU Sint Annen 2022 11 19.740 M 10.9 AQ 25.4J 72 1.7 6 BOU Sint Annen 2022 11 19.739 S 11.0 AQ 15.5L 50 2.0 3/ DIJ Burlage 2022 11 18.82 S 10.2 TK 20.3T 77 4 3/ GON Villacintor, León 2022 11 14.779 S 11.2 AQ 15.5L 50 1.9 3 DIJ Burlage 2022 11 13.747 M 11.0 AQ 25.4J 72 1.8 6 BOU Sint Annen 2022 11 13.742 S 11.3 AQ 15.5L 50 1.8 3 DIJ Burlage 2022 10 27.760 M 11.5 AQ 25.4J 72 1.5 4/ BOU Sint Annen 2022 10 24.758 M 11.4 AQ 25.4J 88 1.7 6 BOU Sint Annen (Some interference from star of magn. 6.8 [TK] 3' away.) 2022 10 22.803 S 11.6 AQ 15.5L 50 2.0 2/ DIJ Burlage 2022 10 22.763 M 11.6 AQ 25.4J 72 1.8 5 BOU Sint Annen 2022 10 7.131 M 11.7 AQ 25.4J 72 1.8 4/ BOU Westerwijtwerd 2022 10 4.17 S 10.6 TK 20.3T 77 6 3/ GON Alto del Castro, León (Wide and faint outer coma.) 2022 10 1.810 S 11.8 AQ 15.5L 42 1.7 3 DIJ Burlage 2022 9 28.808 M 12.0 AQ 25.4J 88 1.4 5 BOU Westerwijtwerd 2022 9 24.810 M 12.0 AQ 25.4J 88 1.3 4 BOU Westerwijtwerd 2022 9 21.849 S 12.3 AQ 31.0J 109 0.9 4 DIJ Burlage 2022 9 21.847 M 12.1 AQ 31.0J 109 1.4 5 BOU Burlage, Germany (Comet 4.5' from NGC 3310. Difficult observation. Star of magn. 12.7 close to edge of coma. Also some interference from nearby star of magn. 5.7 [TK].) 2022 9 19.86 S 11.6 AQ 20.3T 100 3 4 GON Sierra de Tineo, Asturias 2022 9 1.858 S 12.2 AQ 31.0J 89 1.6 3 DIJ Burlage 2022 9 1.854 M 12.2 AQ 31.0J 89 1.2 4 BOU Burlage, Germany 2022 8 25.887 S 12.7 AQ 31.0J 109 1.5 3 DIJ Burlage 2022 8 25.881 M 12.5 AQ 31.0J 109 1.0 5 BOU Burlage, Germany 2022 8 17.88 S 11.6 AQ 20.3T 77 3.5 4 GON Alto del Trichero, León 2022 8 3.931 S 13.3 AQ 31.0J 109 0.7 3 DIJ Burlage 2022 8 3.926 S 13.2 AQ 31.0J 109 1.0 4 BOU Burlage, Germany 2022 6 27.94 S 12.9 AQ 20.3T 133 1.1 6 GON Alto del Trichero - Soto y Amío, León 2022 4 1.03 S 13.8 AQ 40.7L 72 0.8 6 BIV 2022 3 28.05 S 13.9 AQ 40.7L 72 1.0 5 BIV