2021p4 20220529 kshima

C/2021 P4 ATLAS
Sorry for my delay post. I measured its magnitude m1=12.3 by UCAC-4.
2022.05.29.48222UT, 10*60s, 40cm RC + F6.0 Reducer, FLI ML8300 2 bin, 80% cropping, taken in Nagano Pref., Japan.