Discovery of a Probable Nova in M31
ATel #11515; K. Hornoch, H. Kucakova (Astronomical Institute, Ondrejov, Czech Republic), J. Vrastil (Astronomical Institute, Charles U., Prague, Czech Republic)
on 8 Apr 2018; 01:02 UT
Credential Certification: Allen W. Shafter (ashafter@mail.sdsu.edu)
Subjects: Optical, Nova, Transient
We report the discovery of a probable nova in M31 on a co-added 720-s R-band CCD frame taken on 2018 Apr. 3.788 UT with the 0.65-m telescope at Ondrejov.
The object designated PNV J00425509+4119009 is located at R.A. = 0h42m55s.09, Decl. = +41o19'00".9 (equinox 2000.0), which is 121.3" east and 172.4" 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:
2018 Apr. 2.791 UT, [18.4; 3.788, 17.6 ± 0.2; 6.778, 17.0 ± 0.2; 7.133, 17.1 ± 0.2.
Discovery image
