Jiayi Qin, Xing Gao, Mi Zhang (Xingming Obs), report the discovery of a variable star candidate (15.8 G). The source appears to correspond to object Gaia DR2 2764943608355285376 (G=19.2) in the Gaia DR2. Discovery was made on one 30-s survey image (limiting mag about 19.0) taken by Xing Gao around 2021 Sep. 04.83922 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/PSP21E.html
PSP21E C2021 09 04.83922 23 34 59.94 +12 57 40.0 15.8 G N89
PSP21E C2021 09 05.77872 23 34 59.93 +12 57 39.4 19.2 G N88
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| Discovery image taken by N89 on Sep. 04.83922 UTC,2021 | Archival image taken by N89 on Sep. 02.82645 UTC,2021 | Follow-up image taken by N88 on Sep. 05.77872 UT,2021 | PS Image |