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张宓 XM97MZ = AT 2023cnj = PNV J00423575+4116167 ? M31河外新星

Internal name XM97MZ    
RA/DEC (2000) 00 42 35.75 +41 16 16.7
Discovery date (UT) 2023-02-24.56524
Discovery Mag 18.7CV
Host name M31
Host Redshift -0.001
Type
Redshift  
Other name/s AT 2023cnj
PNV J00423575+4116167
References Discovery image taken around 2023 Feb. 24.56524 UT at N88 PanSTARRS-1 Image
Reporter/s Mi Zhang, Jianlin Xu, Yuqing Ren, Xiaochang Yan, Xing Gao (Xingming Obs.)
Remarks Nova candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/xm97mz.html
Discovery report We report the discovery of a possible nova at 18.7CV on several 300-s survey images (limiting mag about 20.0CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around 2023 Feb. 24.56524 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA= 00h42m35.75s, DEC = +41d16m16.7s (equinox 2000.0). Which is about 96.6″ west and 8.2″ north of the center of the NGC224 (M31).
Comments
XM97MZ C2023 02 24.56524 00 42 35.75 +41 16 16.7 18.7CV N88
XM97MZ C2023 02 24.56889 00 42 35.76 +41 16 16.8 18.7CV N88
XM97MZ KC2023 02 25.59815 00 42 35.73 +41 16 16.9 17.8CV N88