Xiaofen Tang, Wenjie Zhou, Mi Zhang, Guoyou Sun, Jianlin Xu, Jingyuan Zhao, Jiangao Ruan, Xing Gao (Xingming Obs), report the discovery of a variable star candidate at 17.33 Gmag on several 40-s survey images (limit mag about 18.5) taken by Xing Gao at Xingming Observatory “#”3 (N88) around 2022 Jan.14.86106 UTC using unfiltered CCD and C14 telescope (+ Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9). The transient is approximately located at RA= 12h15m48.71s,DEC = +13d12m25.5s (equinox 2000.0). The source appears to correspond to object Gaia EDR3 3920572699001587584 (G=16.70) in the Gaia EDR3. Discovery images can be found at: http://xjltp.china-vo.org/psp22c.html
