Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J00505588+3558559

TCP J00505588+3558559   2021 06 17.7089*  00 50 55.88 +35 58 55.9  13.0 U             And       9 0

2021 06 17.709

Discovered by Hideo Nishimura, Kakegawa, Shizuoka-ken, Japan, who found this star on three frames with 20-s exposure (limit mag.= 14.7) using Canon EOS 6D digital camera + 200-mm f/3.2 lens, who writes there is a faint star (mag.= 20.4) at this location on DSS.

2021 06 18.622

follow-up : mag is +13.2U(Rmag) Comparison star UCAC-4 with 0.36m FLI ML1001E 10sec×12, obs by, Yasuo Sano(Nayoro Hokkaido, Japan) http://sn1997ef.web.fc2.com/sn/nova/2021-asassn-21lg.html