Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a possible nova at 17.3 CV on several 300-s survey images (limiting mag about 18.5 CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around Apr. 22.91322, 2022 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA= 00h42m57.33s, DEC = +41d16m18.4s (equinox 2000.0). Which is about 146.7″ east and 9.9″ north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Apr. 21.91950, 2022 UT (limiting mag 18.5 CV). Details can be found at: http://xjltp.china-vo.org/xm70mz.html
XM70MZ C2022 04 22.91322 00 42 57.33 +41 16 18.4 17.3 CV N88
XM70MZ C2022 04 22.91691 00 42 57.34 +41 16 19.0 17.3 CV N88
XM70MZ C2022 04 29.89709 00 42 57.32 +41 16 18.3 17.9 CV N88
XM70MZ C2022 04 29.90080 00 42 57.34 +41 16 18.6 17.9 CV N88
 |
 |
 |
| Discovery image taken around Apr. 22.91322, 2022 UT at N88 | Archival image taken around Apr. 21.91950, 2022 UT at N88 | PS image |