Wenjie Zhou, Fei Du, Jianlin Xu, Jiangao Ruan, Guoyou Sun, Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a variable star candidate (16.96 G). The source appears to correspond to object Gaia DR2 1959734413996042240 (16.11 G) in the Gaia DR2. Discovery was made on one 30-s survey image (limiting mag about 19.0) taken by Xing Gao around 2021 Oct 24.69446 UT at Xingming Observatory #2 (N89) using a unfiltered CCD (0.5-m f/4 reflector). Images can be found at: http://xjltp.china-vo.org/psp21ab.html
NET Gaia DR2
PSP21ab C2021 10 18.69402 22 01 51.32 +41 02 12.4 16.03G N89
PSP21ab C2021 10 24.69446 22 01 51.31 +41 02 12.3 16.96G N89
Discovery image taken around 2021 Oct. 24.69446 UT at N88 | PS Image |