C/2022 B4 Bok Mag. m1=20.9 by UCAC-4. A minor planet 21707 near by. 2022.03.02.65303UT, 30*60s, 40cm RC + F6 Reducer, FLI ML8300 2 bin, 80% cropping, taken in Nagano Pref., Japan.
Page last updated: Sun 2 Apr 08:19:54 BST 2023
