Fei Du, Jingyuan Zhao, Wenjie Zhou, Mi Zhang, Guoyou Sun, Jiangao Ruan, Jianlin Xu, Xing Gao (Xingming Obs), report the discovery of a variable star candidate at 17.30 Gmag on several 30-s survey images (limit mag about 19.0) taken by Xing Gao at Xingming Observatory “#”2 (N89) around 2022 Jan.23.77409 UTC using unfiltered CCD and HMT telescope (0.5m f/4 reflector). The transient is approximately located at RA= 05h44m55.29s,DEC = +77d18m49.4s (equinox 2000.0). The source appears to correspond to object Gaia EDR3 504293314478941568 (G=16.89) in the Gaia EDR3. Discovery images can be found at: http://xjltp.china-vo.org/psp22e.html
