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ATEL # 1267; E. Ovcharov (SU, Sofia), A. Valcheva (IA, Sofia), V. Ivanov (ESO, Chile), N. Kacharov (SU, Sofia), A. Kostov (IA, Sofia), Y. Nikolov (IA, Sofia), Ts. Georgiev (IA, Sofia), P. Nedialkov (SU, Sofia)
on 9 Nov 2007; 16:33 UT
Password Certification: Petko Nedialkov (firstname.lastname@example.org)
Subjects: Optical, Nova
We report the discovery of a probable nova located at RA(2000) = 00h43m52.94s, Dec(2000) = +41d03'36", which is 12' 54" east and 12' 33" south of the center of M31. Available R-band magnitudes from 5x300sec and 3x300sec co-added CCD images taken with the 50/70cm Schmidt telescope (+ SBIG STL-11000M CCD camera) at NAO Rozhen, Bulgaria: November 6.809 UT, 19.7+/-0.2; 8.853 UT, 18.6+/-0.1. The nearest object at distance of 0.11 arcsec is J004352.95+410336.0 with R=21.269 mag (M31 and M33 UBVRI photometry, Massey et al., 2006). The B-V color is bluer than the typical color of pulsating red variable or Mira variable. The luminosity is ~2 mag lower than for a typical LBV. The B-R color is comparable to BL Lac objects. We recommend observations in any wavelengths.