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Discovery of a Probable Nova in M31

ATel #9799; K. Hornoch (Astronomical Institute, Ondrejov, Czech Republic), H. Kucakova (Astronomical Institute, Charles U., Prague, Czech Republic)
on 28 Nov 2016; 04:37 UT
Credential Certification: Allen W. Shafter (ashafter@mail.sdsu.edu)

Subjects: Optical, Nova, Transient

Referred to by ATel #: 10003

We report the discovery of a probable nova in M31 on a co-added 1620-s R-band CCD frame taken on 2016 Nov. 27.759 UT with the 0.65-m telescope at Ondrejov.

The object designated PNV J00424281+4112334 is located at R.A. = 0h42m42s.81, Decl. = +41o12'33".4 (equinox 2000.0), which is 17.1" west and 215.1" 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 (D65) and the Danish 1.54-m telescope at La Silla (DK154):

2016 Nov. 27.017 UT, [20.1 (DK154); 27.759, 17.7 ± 0.15 (D65).

This work is based (in part) on data collected with the Danish 1.54-m telescope at the ESO La Silla Observatory.

Discovery image