Fei Du, Mi Zhang, Wenjie Zhou, Jingyuan Zhao, Guoyou Sun, Jiangao Ruan, Jianlin Xu, Xing Gao (Xingming Obs), report the discovery of a variable star candidate at 16.90 Gmag on several 30-s survey images (limit mag about 19.0) taken by Xing Gao at Xingming Observatory “#”2 (N89) around 2022 Jan.25.69116 UTC using unfiltered CCD and HMT telescope (0.5m f/4 reflector). The transient is approximately located at RA= 03h07m17.16s,DEC = +38d25m18.7s (equinox 2000.0). The source appears to correspond to object Gaia EDR3 142638440882185344 (G=16.07) in the Gaia EDR3. Discovery images can be found at: http://xjltp.china-vo.org/psp22g.html
