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
PSP21al C2021 12 05.56405 07 28 10.50 +58 30 12.8 17.6 G N88
PSP21al C2021 12 05.56532 07 28 10.49 +58 30 12.7 17.6 G N88
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| Discovery image taken by N88 on Dec. 05.56405 UTC,2021 | PS Image |