* * * * * C/2019 N1 (ATLAS) * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2021 4 30.36 S 14.3 AQ 40.0L 182 0.9 4 WYA Walcha, NSW (Diffuse.) 2021 4 12.42 M 14.2 AQ 40.0L 182 0.8 5/ WYA Walcha, NSW (Faint stellar pseudo-nucleus visible in good seeing. Diffuse outer coma.) 2021 4 10.41 M 14.5 AQ 40.0L 182 0.7 4/ WYA Walcha, NSW (Diffuse, opaque centre.) 2021 3 25.76 M 13.5 AQ 40.0L 108 1.0 3/ WYA Walcha, NSW (Low altitude 13.9°. Diffuse.) 2021 3 24.67 M 14.3 AQ 40.0L 182 0.5 3/ WYA Walcha, NSW (Low altitude 14.7°. Very diffuse with slight brightening to centre.) 2021 2 9.46 M 12.9 AQ 25.0L 179 0.8 3/ WYA Walcha, NSW (Difficult. Visible in periods of good seeing, viewing over light polluted area of town.) 2021 1 25.70 M 12.8 AQ 40.0L 108 2.0 5/ WYA Walcha, NSW (Very diffuse with an opaque centre which appears to have stellar pseudo-nucleus in periods of good seeing. Enhances slightly in Swan Band filter.) 2021 1 23.67 M 13.2 AQ 40.0L 108 0.9 5/ WYA Walcha, NSW (Dims in Swan Band filter. Coma slightly elongated to the West, centre opaque and sometimes appears faintly stellar.) 2021 1 23.27 S 11.9 AU 22.0L 160 1 3 GOI Araçatuba 2020 8 13.89 S 10.6 TK 20.3T 100 5 3 GON Alto del Trichero, León 2020 7 24.92 S 11.7 AQ 20.3T 100 2.5 3 GON Alto del Castro - Aralla, León 2020 3 26.947 S 14.3 AQ 30.5T 179 0.5 4 BOU Burlage, Germany 2020 3 26.944 S 13.9 AQ 30.5T 179 0.4 4 DIJ Burlage 2020 3 21.954 S 14.3 AQ 30.5T 179 0.6 3 BOU Burlage, Germany 2020 3 21.949 S 14.3 AQ 30.5T 179 0.4 4 DIJ Burlage