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张宓 XM71MZ = AT 2022jjl = PNV J09552610+6905133 ? M81河外新星

Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a possible nova at 19.4 CV on several 300-s survey images (limiting mag about 20.5 CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around May. 03.71051, 2022 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA= 09h55m26.10s, DEC = +69d05m13.3s (equinox 2000.0). Which is about 37.9″ west and 78.2″ north of the center of the M81. Nothing is visible at this position on archival images taken on Apr. 30.66387, 2022 UT (limiting mag 20.5 CV). Details can be found at: http://xjltp.china-vo.org/xm71mz.html

XM71MZ C2022 05 03.71051 09 55 26.10 +69 05 13.3 19.4 CV N88
XM71MZ C2022 05 03.71426 09 55 26.05 +69 05 13.5 19.4 CV N88

Discovery image taken around May. 03.71051, 2022 UT at N88 Archival image taken around Apr. 30.66387, 2022 UT at N88 PS image