Discovery of a Probable Nova in M81

ATel #4894; K. Hornoch (Astronomical Institute, Ondrejov, Czech Republic), H. Kucakova (Astronomical Institute, Charles U., Prague, Czech Republic)
on 17 Mar 2013; 20:39 UT
Credential Certification: Allen W. Shafter (aws@nova.sdsu.edu)

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We report the discovery of a probable nova in M81 on a co-added 2340-s unfiltered CCD frame taken on 2013 Mar. 16.787 UT with the 0.65-m telescope at Ondrejov.

The new object designated PNV J09553917+6902390 is located at R.A. = 9h55m39s.17, Decl. = +69o02'39".0 (equinox 2000.0), which is 32.2" east and 76.1" south of the center of M81 (see link to discovery image below).

The following magnitudes were obtained using the 0.65-m telescope at Ondrejov:

2013 Mar. 6.164 UT, [21.5 (unfiltered, R-band magnitudes used from comparison stars); 16.787, 20.2 +/- 0.2 (unfiltered, R-band magnitudes used from comparison stars).

Discovery image