Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a possible nova at 16.7 CV on several 300-s survey images (limiting mag about 18.0 CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around Jun. 08.73417, 2022 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA= 00h42m02.31s, DEC = +40d54m34.8s (equinox 2000.0). Which is about 473.7″ west and 1293.7″ south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Jun. 05.87128, 2022 UT (limiting mag 18.0 CV). Details can be found at: http://xjltp.china-vo.org/xm72mz.html
XM72MZ C2022 06 08.73417 00 42 02.31 +40 54 34.8 16.7 CV N88
XM72MZ C2022 06 08.73787 00 42 02.35 +40 54 34.9 16.6 CV N88
XM72MZ C2022 06 08.87135 00 42 02.33 +40 54 34.5 16.85CV N88
XM72MZ C2022 06 08.87508 00 42 02.34 +40 54 34.4 16.86CV N88
XM72MZ C2022 06 10.87155 00 42 02.33 +40 54 34.2 18.39CV N88
XM72MZ C2022 06 10.87527 00 42 02.33 +40 54 34.3 18.48CV N88
XM72MZ C2022 06 11.86801 00 42 02.33 +40 54 34.4 18.76CV N88
XM72MZ C2022 06 11.87171 00 42 02.33 +40 54 34.5 18.84CV N88
 |
 |
 |
 |
| Discovery image taken around Jun. 08.73417, 2022 UT at N88 | Archival image taken around Jun. 05.87128, 2022 UT at N88 | Follow-up image taken around Jun. 05.87128, 2022 UT at N88 | PS image |