Siyuan Feng, Mi Zhang, Xing Gao (Xingming Observatory), report the discovery of a variable star candidate (18.36 G). The source appears to correspond to object Gaia DR2 2864833312026235392 (G=18.88) in the Gaia DR2. Discovery was made on one 40-s survey image (limiting mag about 18.5) taken by Xing Gao around 2021 Sep. 28.68362 UT at Xingming Observatory #3 (N88) using a unfiltered CCD (+Celestron C14 SchmidtCassegrain telescope D=356mm @f/6.9). Images can be found at: http://xjltp.china-vo.org/psp21p.html
NET Gaia DR2
PSP21P C2021 09 28.68362 23 38 27.99 +27 02 54.7 18.36G N88
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| Discovery image taken by N88 on Sep. 28.68362 UTC,2021 | Archival image taken by N88 on Sep. 09 27.64274 UTC,2021 | PS Image |