* * * * * C/2020 F5 (MASTER) * * * * *

Year Mn Day    MM  Mag Ref Scope Pwr coma  DC tail p.a. Obs  Site
2021 10 25.46   M 14.9 AQ  40.0L 182  0.7  5/           WYA  Walcha, NSW
(Very diffuse outer coma, faint stellar pseudo-nucleus visible in good seeing periods.)
2021 10  9.63   M 14.7 AQ  40.0L 182  0.7  6            WYA  Walcha, NSW
(Faint stellar pseudo-nucleus visible, diffuse outer coma.)
2021 10  6.46   M 14.5 AQ  40.0L 108  1.0  6            WYA  Walcha, NSW
(Faint stellar pseudo-nucleus visible, diffuse outer coma. No enhancement in Swan Band filter.)
2021  9 11.69   M 14.8 AQ  40.0L 261  0.4  5/           WYA  Walcha, NSW
(Close to 13.7 mag star but resolvable.)
2021  9  8.46   M 14.7 AQ  40.0L 182  0.7  6            WYA  Walcha, NSW
(Stellar pseudo-nucleus visible, diffuse and transparent outer coma.)
2021  9  7.68   M 14.6 AQ  40.0L 182  0.4  6            WYA  Walcha, NSW
(Close to mag 15.5 star but resolvable. Coma opaque at centre with faint stellar pseudo-nucleus visible.)
2021  8 31.44   M 14.8 AQ  40.0L 182  1.0  6            WYA  Walcha, NSW
(Stellar pseudo-nucleus, semi-opaque coma.)
2021  8 28.45   M 14.7 AQ  40.0L 182  0.5  6            WYA  Walcha, NSW
(Diffuse coma, faint stellar pseudo-nucleus visible.)
 2021 8 10.43   M 14.4 AQ  40.0L 182  0.7  4/           WYA  Walcha, NSW
(Diffuse coma, opaque centre.)
2021  8  6.48   M 14.7 AQ  40.0L 182  0.7  5/           WYA  Walcha, NSW
(Diffuse outer coma, opaque inner coma, stellar pseudo-nucleus visible in good seeing.)
2021  7 31.50   M 14.7 AQ  40.0L 182  0.5  6            WYA  Walcha, NSW
(Diffuse outer coma, opaque centre pale-aqua blue in colour.)
2021  7 30.50   M 14.9 AQ  40.0L 182  0.6  5/           WYA  Walcha, NSW
(Diffuse coma, opaque centre. Faint stellar pseudo-nucleus visible.)
2021  7 29.46   M 15.1 AQ  40.0L 182  0.6  5/           WYA  Walcha, NSW
(Diffuse coma, faint stellar pseudo-nucleus visible in good seeing. Altitude 19.7°.)
2021  7 12.75   M 14.9 AQ  40.0L 261  0.5  6            WYA  Walcha, NSW
(Diffuse with opaque centre, stellar pseudo-nucleus visible in good seeing.)
2021  7  6.72   M 14.9 AQ  40.0L 182  0.5  6            WYA  Walcha, NSW
(Diffuse, stellar pseudo-nucleus visible in good seeing.)
2021  5 19.64   M 15.1 AQ  40.0L 182  0.6  3/           WYA  Walcha, NSW
(Difficult. Low altitude 16.6°.)
2021  4 19.73   M 15.3 AQ  40.0L 182  0.5  3/           WYA  Walcha, NSW
(Difficult. Diffuse.)
2021  4 13.73   M 15.2 AQ  40.0L 261  0.6  4            WYA  Walcha, NSW
(Coma diffuse, centre opaque.)
2021  4 12.75   M 15.3 AQ  40.0L 261  0.3  5/           WYA  Walcha, NSW
(Diffuse with opaque centre. Sometimes faintly stellar at centre.)
2020 11 15.45   M 15.0 AQ  40.0L 261  0.3  5/           WYA  Walcha, NSW
(Faint stellar pseudo-nucleus visible in good seeing. Diffuse outer coma, opaque inner coma.)
2020 11 14.44   M 14.8 AQ  40.0L 261  0.3  3/           WYA  Walcha, NSW
(Opaque centre, diffuse outer coma.)
2020 10 13.48   M 14.9 AQ  40.0L 261  0.4  4            WYA  Walcha, NSW
(Diffuse and small patch, close to star.)
2020 10 10.39   M 14.8 AQ  40.0L 182  0.4  5/           WYA  Walcha, NSW
(Very small and diffuse with opaque centre.)
2020  8 28.73   M 15.0 AQ  40.0L 261  0.5  3            WYA  Walcha, NSW
(Diffuse. Average seeing. Altitude 18.7°.)
2020  8 26.73   M 15.1 AQ  40.0L 261  0.3  4/           WYA  Walcha, NSW
(Difficult. Diffuse outer coma, opaque centre. Altitude 18.9°.)
2020  4 22.44   M 15.4 AQ  40.0L 261  0.3  3/           WYA  Walcha, NSW
(Coma diffuse. Close to mag 11.4 star but resolvable.)