张宓 XM94MZ = AT 2023ax = PNV J00430924+4117022 * M31河外新星 Nova

Internal name	XM94MZ
RA/DEC (2000)	00 43 09.24 +41 17 02.2
Discovery date (UT)	2023-01-06.51578
Discovery Mag	18.8CV
Host name	M31
Host Redshift	-0.001
Type	Nova
Redshift
Other name/s	AT 2023ax PNV J00430924+4117022
References	ATEL #15850 ATEL #15867 ATEL #15926 VSX	Discovery image taken around 2023 Jan. 06.51578 UT at N88	PanSTARRS-1 Image
Reporter/s	Mi Zhang, Yuqing Ren, Yuhao Yang, Xiaochang Yan, Lanhe Ding, Jianlin Xu, Xing Gao (Xingming Obs.)
Remarks	Nova candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/xm94mz.html
Discovery report	We report the discovery of a possible nova at 18.8CV on several 300-s survey images (limiting mag about 20.0CV) taken by Xing Gao at Xingming Observatory “#”3 (N88) around 2023 Jan. 06.51578 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at RA= 00h43m09.24s, DEC = +41d17m02.2s (equinox 2000.0). Which is about 281.0″ east and 53.7″ north of the center of the NGC224 (M31).
Comments
XM94MZ C2023 01 05.76027 00 43 09.23 +41 17 02.4 >19.0CV N88 XM94MZ C2023 01 06.51578 00 43 09.24 +41 17 02.2 18.8CV N88 XM94MZ C2023 01 06.51941 00 43 09.25 +41 17 02.2 18.8CV N88 XM94MZ KC2023 01 07.57964 00 43 09.24 +41 17 02.1 16.9CV N88 XM94MZ KC2023 01 08.54597 00 43 09.24 +41 17 02.4 16.5CV N88 XM94MZ KC2023 01 09.05863 00 43 09.24 +41 17 02.1 16.8CV 851 XM94MZ KC2023 01 10.67998 00 43 09.24 +41 17 02.3 17.0CV N88 XM94MZ KC2023 01 11.14360 00 43 09.22 +41 17 01.9 16.8 V 851 XM94MZ KC2023 01 11.14720 00 43 09.20 +41 17 01.9 17.1 I 851 XM94MZ KC2023 01 13.56950 00 43 09.25 +41 17 02.2 17.7CV N88 XM94MZ KC2023 01 14.56267 00 43 09.25 +41 17 02.5 17.9CV N88 XM94MZ KC2023 01 15.53190 00 43 09.26 +41 17 02.2 18.1CV N88 XM94MZ KC2023 01 16.57527 00 43 09.24 +41 17 02.2 18.3CV N88 XM94MZ KC2023 01 18.55545 00 43 09.26 +41 17 02.1 18.7CV N88 XM94MZ KC2023 01 19.55153 00 43 09.25 +41 17 02.2 18.9CV N88