Fei Du, Xing Gao, Mi Zhang (Xingming Obs), report the discovery of a variable star candidate (15.3 G). The source appears to correspond to object Gaia DR2 1763407675025582720 (G=19.6) in the Gaia DR2. Discovery was made on several 30-s survey images (limiting mag about 19.5) taken by Xing Gao around 2021 Sep. 22.76829 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/psp21l.html
NET Gaia DR2
PSP21L C2021 09 02.76370 21 02 47.02 +15 51 16.8 19.2 G N89
PSP21L C2021 09 22.76829 21 02 47.00 +15 51 17.2 15.3 G N89
PSP21L C2021 09 23.75146 21 02 47.02 +15 51 16.9 15.6 G N89
PSP21L C2021 09 25.72225 21 02 47.03 +15 51 17.0 16.0 G N89
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| Discovery image taken by N89 on Sep. 22.76829 UTC,2021 | Archival image taken by N89 on Sep. 02.76370 UTC,2021 | PS Image |