Hanjie Tan (Astronomical Institute of Charles University), Jiangao Ruan, Guoyou Sun, Mi Zhang, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory), report a variable star candidate (G=16.48+-0.06). The source appears to correspond to object Gaia DR2 541742508722367744 (G=15.91) in the Gaia DR2. Discovery was made on several 120-s survey images (limiting mag about 18.0) taken by Xing Gao at Xingming Observatory #3 (N88) around Oct. 21.91808, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm80ht.html
XM80HT C2021 10 21.91808 02 56 41.15 +69 24 25.5 16.48G N88
XM80HT C2021 10 21.93770 02 56 41.13 +69 24 25.1 16.47G N88
