Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PSN J07281050+5830128

PSN J07281050+5830128   2021 12 05.5641*  07 28 10.50 +58 30 12.8  17.6 G             U3855     R 1

2021 12 05.5641

Chunpeng Bi, Jiashuo Zhang, Jianlin Xu, Jingyuan Zhao, Jiangao Ruan, Yanxi Li, Guoyou Sun, Wenjie Zhou, Yi Ding, Mi Zhang, Xing Gao(Xingming Obs), report the discovery of a possible supernova (mag approximately 17.6 G) on several 90-s survey images (limiting mag about 18.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Dec. 05.56405, 2021 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=07h28m10.50s +58d30’12”.8 (equinox 2000.0). Which is about 19.6" west and 11.4" south of the center of the UGC3855. Images can be found at: http://xjltp.china-vo.org/psp21al.html