* * * * * C/2021 A2 (NEOWISE) * * * * *

Year Mn Day    MM  Mag Ref Scope Pwr coma  DC tail p.a. Obs  Site
2021  3  4.89   V 16.0 TK  68.0L      0.3               QVA  Nykerke
2021  2 13.899  S 10.6 AQ  31.0J  58   4   1/           BOU  Burlage, Germany
2021  2 13.896  S 10.8 AQ  31.0J  58  2.6  0/           DIJ  Burlage
2021  2 12.775  S 10.8 AQ  25.4J  58  3.5  2            BOU  Sint Annen
2021  2 11.996  S 11.1 TK  15.5L  50  1.6  3            DIJ  Burlage
2021  2  7.50   S 10.3 AA  10.0B  25   5                SEA  Cowra, NSW
(Somewhat enhanced through Swan Band filter.)
2021  2  6.85   S 10.4 TK  20.3T  77   5   2            GON  Alto del Trichero - Soto y Amío, León
2021  2  6.17   S 10.5 AU  22.0L 160   3   2/           GOI  Araçatuba
2021  2  2.46   M 10.3:TK  25.0L  40  3.5  4            WYA  Walcha, NSW
(Magnitude uncertain due to busy star field. Coma very extended and transparent. Enhances in Swan Band filter.)
2021  1 25.69   M 11.0 AQ  40.0L  59  7.0  4            WYA  Walcha, NSW
(Opaque centre, semi-transparent outer coma.)
2021  1 23.66   M 11.0 AQ  40.0L  59  3.3  4            WYA  Walcha, NSW
(Very diffuse and extended coma. Opaque centre. Enhances in Swan Band filter.)
2021  1 23.21   S 10.8 AU  22.0L  60   3   3            GOI  Araçatuba
2021  1 13.50   S 11.4 AQ  25.0L  74  1.5  2/           WYA  Walcha, NSW
(Very diffuse. Observed in a region devoid of stars, coma may be a little larger.)
2021  1 11.49   S 13.0 AQ  25.0L 125  1.2  2/           WYA  Walcha, NSW
(Difficult due to diffuseness of the coma against a busy star field and poor seeing.)