Fei Du, Jiangao Ruan, Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a variable star candidate (18.10 G). The source appears to correspond to object Gaia DR2 2259975232394205056 (G=19.65) 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. 13.58934 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/psp21s.html
NET Gaia DR2
PSP21S C2021 09 23.71617 18 11 41.09 +69 03 51.6 18.8 G N89
PSP21S C2021 09 26.71661 18 11 41.06 +69 03 51.1 >19.0 G N89
PSP21S C2021 09 27.69059 18 11 41.06 +69 03 51.3 17.7 G N89
PSP21S C2021 10 10.60787 18 11 41.05 +69 03 51.2 17.8 G N89
PSP21S C2021 10 13.58934 18 11 41.09 +69 03 51.5 18.1 G N89
Discovery image taken around 2021 Oct. 13.58934 UT at N89 | Archival image taken around 2021 Sep. 26.71661 UT at N89 | PS Image |