Independent Discovery of an Apparent Nova in M31
ATel #14114; H. Kucakova, K. Hornoch (Astronomical Institute, Ondrejov, Czech Republic)
on 22 Oct 2020; 23:53 UT
Credential Certification: Allen W. Shafter (ashafter@sdsu.edu)
Subjects: Optical, Nova, Transient
We report the independent discovery of an apparent nova in M31 on a co-added 1440-s R-band CCD frame taken on 2020 Oct. 21.741 UT with the 0.65-m telescope at Ondrejov.
The object was independently discovered and first announced by M. Zhang and X. Gao and designated as PNV J00423733+4120519 = AT 2020xyv. The object was designated by us as M31N 2020-10e and is located at R.A. = 0h42m37s.35, Decl. = +41o20'52".2 (equinox 2000.0), which is 78.6 west and 283.7" north of the center of M31 (see link to discovery image below).
The following R-band magnitudes were obtained using the 0.65-m telescope at Ondrejov:
2020 Oct. 19.845 UT, [19.8; 21.741, 18.1 ± 0.2; 22.707, 16.45 ± 0.08; 22.738, 16.55 ± 0.06; 22.782, 16.56 ± 0.07.
Discovery image