2022b4 20220227 kshima

C/2022 B4 PanSTARRS (?)
I measured its magnitude is m1=20.6 by UCAC-4.
2022.02.27.65501UT, 20*60s, 40cm RC + F6 Reducer, FLI ML8300 2 bin, 80% cropping, taken in Nagano Pref, Japan.