Optical Nova Candidate in M31

ATel #1927; E. Ovcharov (SU, Sofia), A. Valcheva (SU, Sofia), A. Kostov (IA, Sofia), G. Latev (SU, Sofia), Y. Nikolov (IA, Sofia), Ts. Georgiev (IA, Sofia), P. Nedialkov (SU, Sofia)
on 7 Feb 2009; 01:21 UT
Credential Certification: Petko Nedialkov (japet@phys.uni-sofia.bg)

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We report the discovery of a probable nova located at RA(2000) = 00h43m43.85s, Dec(2000) = +41d36'39.9", which is 11' 11" east and 20' 31" north of the center of M31. Available R-band magnitude from 11x300sec co-added CCD images taken with the 50/70cm Schmidt telescope (+ SBIG STL-11000M CCD camera) at NAO Rozhen, Bulgaria: 2009 Feb 06.79931 UT, 17.20+/-0.03. No object is visible at this position on 2009 Jan 01.848 (limiting magnitude of R=19.5 mag). The nearest object at distance of 1.30 arcsec is J004343.86+413638.6 (M31 and M33 UBVRI photometry (Massey et al. 2006)). Erratum: The nova candidate reported in ATel #1687 is a re-brightening of Nova M31N 2008-06a discovered by M. Henze et al. on 2008 June 14.46 UT (ATel #1580).