Hanjie Tan (Astronomical Institute of Charles University), Jiangao Ruan, Guoyou Sun, Mi Zhang, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye , Xing Gao (Xingming Observatory), report a variable star candidate (G=15.00+-0.01, 29.70609 UT; G=17.89+-0.08, 29.68900 UT). The source appears to correspond to object Gaia DR2 1918003515312607616 (G=17.38) in the Gaia DR2. Discovery was made on several 120-s survey images (limiting mag about 19.0) taken by Xing Gao at Xingming Observatory #3 (N88) around Oct. 29.70609, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm81ht.html
NET Gaia DR2
XM81HT C2021 10 29.68900 23 15 02.56 +39 16 33.2 17.89G N88
XM81HT C2021 10 29.70609 23 15 02.58 +39 16 33.1 15.00G N88
XM81HT C2021 11 02.58632 23 15 02.59 +39 16 33.0 17.47G N88
XM81HT C2021 11 02.58759 23 15 02.59 +39 16 33.0 17.50G N88
