Jijun Li, Qintao Wang, Jingyuan Zhao, Guoyou Sun, Mi Zhang, Wenjie Zhou, Jianlin Xu, Jiangao Ruan, Xing Gao (Xingming Obs), report an dwarf nova candidate (17.17 CV) on several 30-s survey images (limit mag about 18.5) taken by Xing Gao at Xingming Observatory #2 (N89) around May 18.87734, 2022 UT using unfiltered CCD and HMT telescope (0.5m f/4 reflector). Nothing is visible at this position on archival images taken on May 06.88925, 2022 UT (limiting mag 18.5). Details can be found at: http://xjltp.china-vo.org/psp22v.html.
NET Gaia DR2
PSP22V C2022 05 18.87734 16 07 24.46 +63 59 02.1 17.17G N89
PSP22V C2022 05 20.88597 16 07 24.46 +63 59 01.6 17.61G N89
Discovery image taken around May 18.87734, 2022 UT at N89 | Archival image taken around May 06.88925, 2022 UT at N89 | PanSTARRS-1 image |