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Discovery of an Apparent Nova in M31

ATel #4186; K. Hornoch and P. Kusnirak (Astronomical Institute, Ondrejov, Czech Republic)
on 19 Jun 2012; 15:08 UT
Credential Certification: Allen W. Shafter (aws@nova.sdsu.edu)

Subjects: Optical, Nova, Transient

Referred to by ATel #: 4216, 4281, 6564, 8228

We report the discovery of apparent nova in M31 on a co-added 1170-s R-band CCD frame taken on June 18.052 UT with the 0.65-m telescope at Ondrejov.

The new object is located at R.A. = 0h43m21s.92, Decl. = +41o20'24".4 (equinox 2000.0), which is 423.6" east and 255.9" 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:

2012 June 17.054 UT, [19.9; 18.052, 19.1 +/- 0.15; 19.053, 17.33 +/- 0.08.

Discovery image