Shuming Wang, Jingyuan Zhao, Wenjie Zhou, Jiangao Ruan, Mi Zhang, Guoyou Sun, Jianlin Xu, Xing Gao (Xingming Obs), report a variable star candidate VSSP J220628.69+471733.8=PSP22X with possible variability type EA+ROT by analyzing ZTF data.
ROT variation: HJD 2459356.884 + 3.47647 d * E, amplitude 0.17 r.