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Two possible Novae in M31

ATel #1312; E. Ovcharov (SU, Sofia), A. Valcheva (IA, Sofia), A. Kostov (IA, Sofia), Y. Nikolov (IA, Sofia), Ts. Georgiev (IA, Sofia), P. Nedialkov (SU, Sofia)
on 29 Nov 2007; 14:46 UT
Credential Certification: Petko Nedialkov (japet@phys.uni-sofia.bg)

Subjects: Optical, Nova

Referred to by ATel #: 1851, 10001, 10040

We report the discovery of 2 nova candidates in M31 on 5x300sec co-added CCD images taken with the 50/70cm Schmidt telescope (+ SBIG STL-11000M CCD camera) at NAO Rozhen, Bulgaria. The first nova candidate is located at RA(2000) = 0h44m15s.88, Dec(2000) = +41o13'51".1, which is 1032".3 east and 137".4 south of the center of M31. Available R-band magnitude on Nov 28.716 UT, 18.73 +/- 0.05. The nearest object is 1312-0015247 from NOMAD Catalog (Zacharias+ 2005) at distance of 0".611 with R=20.7 mag. The second nova candidate is located at RA(2000) =0h41m31s.52, Dec(2000) = +41o07'13".1, 820".8 west and 535".4 south from the center of M31. Available R-band magnitudes on Nov 28.716 UT, 17.84 +/- 0.03. No object found in 3-arcsec radius.