* * * * * C/2023 S2 (ATLAS) * * * * *

Year Mn Day    MM  Mag Ref Scope Pwr coma  DC tail p.a. Obs  Site
2023 10 14.40   S 12.7 AQ  40.0L 108  1.0  3            WYA  Walcha, NSW
(Diffuse.)
2023 10 09.80   S 10.3 TK  20.3T  77   7   2/  0.4 100  GON  Alto del Castro, León
(Altitude 24°.)
2023 10  5.80   S 10.6 TK  20.3T  77   5   2/  0.2 100  GON  Alto del Castro, León
(Astronomical twilight. Altitude 24°.)
2023 10  3.40   M 12.6 AQ  40.0L  59  2.6  3/           WYA  Walcha, NSW
(Enhances in Swan Band filter. Diffuse, extended outer coma, opaque inner coma. Slight zodiacal light interference.)
2023 10  2.81   S 10.9 TK  20.3T 100   4   2/           GON  Pandorado, León
(Astronomical twilight. Altitude 23°.)