Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00425423+4116505

PNV J00425423+4116505   2021 10 31.7451*  00 42 54.23 +41 16 50.5  18.7 G  112E  42N  M31       R 9

2021 10 31.7451

Mi Zhang, Xing Gao (Xingming Obs), report the discovery of a possible nova (mag approximately 18.7) on several 300-s survey image (limiting mag about 20.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Oct. 31.74514 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m54.23s +41d16’50”.5 (equinox 2000.0). Which is about 111.7" east and 42" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Oct. 29.58562 (limiting mag 20.0) . Images can be found at: http://xjltp.china-vo.org/xm60mz.html