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张宓 XM67MZ = AT 2022dgd = PNV J09551386+6905470 ? M81河外新星

Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a possible nova at 20.6 CV on several 300-s survey images (limiting mag about 21.0 CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around Feb. 25.70785, 2022 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA= 09h55m13.86s, DEC = +69d05m47.0s (equinox 2000.0). Which is about 103.6″ west and 111.9″ north of the center of the M81. Nothing is visible at this position on archival images taken on Feb. 24.73326, 2022 UT (limiting mag 21.0 CV). Images can be found at: http://xjltp.china-vo.org/xm67mz.html

XM67MZ C2022 02 25.70785 09 55 13.86 +69 05 47.0 20.56CV N88
XM67MZ C2022 02 25.71175 09 55 13.87 +69 05 47.0 20.41CV N88
XM67MZ C2022 02 25.71549 09 55 13.84 +69 05 47.1 20.78CV N88

Discovery image taken around Feb. 25.70785, 2022 UT at N88 Archival image taken around Feb. 24.73326, 2022 UT at N8 PS image