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Independent Discovery of an Apparent Nova in M31

ATel #10978; K. Hornoch (Astronomical Institute, Ondrejov, Czech Republic), M. Wolf (Astronomical Institute, Charles U., Prague, Czech Republic)
on 16 Nov 2017; 21:06 UT
Credential Certification: Martin Henze (henze@ice.cat)

Subjects: Optical, Nova, Transient

Referred to by ATel #: 10986

We report the independent discovery of an apparent nova in M31 on a co-added 1260-s R-band CCD frame taken on 2017 Nov. 16.782 UT with the 0.65-m telescope at Ondrejov.

The object was independently discovered also by K. Nishiyama and F. Kabashima (designated as PNV J00430419+4115155) (see here) and by G. Carey (designated as 2017ifs) (see here). The object is located at R.A. = 0h43m04s.19, Decl. = +41o15'15".4 (equinox 2000.0), which is 224.0" east and 53.1" south 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:

2017 Nov. 15.871 UT, [19.8; 16.782, 16.4 ± 0.1.

We thank H. Kucakova for getting images on Nov. 15.871 UT.

Discovery image