Hanjie Tan (Astronomical Institute of Charles University), Mi Zhang, Guoyou Sun, Jingyuan Zhao (Xingming Observatory), Quanzhi Ye (Department of Astronomy, University of Maryland), Xing Gao (Xingming Observatory), report an AGN candidate (G=18.06+-0.06). The source appears to correspond to object Gaia DR2 1908041974326475648 (G=19.28) 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. 10.69983, 2021 UT using a unfiltered CCD (0.3-m f/3.6 reflector). Images can be found at: http://xjltp.china-vo.org/xm77ht.html
XM77HT C2021 10 10.69983 22 40 09.37 +38 48 30.9 18.06+-0.06G N88
XM77HT C2021 10 10.71682 22 40 09.42 +38 48 31.1 18.04+-0.06G N88
