Hanjie Tan (Astronomical Institute of Charles University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye , Xing Gao (Xingming Observatory), report a variable star candidate (G=17.75+-0.06). The source appears to correspond to object Gaia DR2 1984481220982307968 (G=17.36) in the Gaia DR2. Discovery was made on several 120-s survey images (limiting mag about 19.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Oct. 09.73525, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm76ht.html
XM76HT C2021 10 09.73525 22 59 32.88 +47 21 09.9 17.75 G N88
XM76HT C2021 10 09.75382 22 59 32.88 +47 21 09.5 17.80 G N88
