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Discovery of an Apparent Nova in M31

ATel #13109; K. Hornoch, H. Kucakova (Astronomical Institute, Ondrejov, Czech Republic)
on 14 Sep 2019; 16:23 UT
Credential Certification: Allen W. Shafter (ashafter@sdsu.edu)

Subjects: Optical, Nova, Transient

Referred to by ATel #: 13141

We report the discovery of an apparent nova in M31 on a co-added 1260-s R-band CCD frame taken on 2019 Sep. 13.782 UT with the 0.65-m telescope at Ondrejov.

The object designated PNV J00424232+4117458 is located at R.A. = 0h42m42s.32, Decl. = +41o17'45".8 (equinox 2000.0), which is 22.6" west and 97.3" 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:

2019 Sep. 3.792 UT, [19.4; 13.782, 16.9 ± 0.1.

Discovery image