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Possible Nova in M31

ATel #1131; D. Hatzidimitriou (Department of Astrophysics, University of Crete, UOC), V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), S. Duscha (MPE), G. Kanbach (MPE), W. Pietsch (MPE), P. Reig (UOC), G. Papamastorakis (UOC)
on 6 Jul 2007; 15:31 UT
Credential Certification: Vadim Burwitz (burwitz@mpe.mpg.de)

Subjects: Optical, Nova

Referred to by ATel #: 1141, 1157, 9276, 9280

We report the discovery of a possible nova in M31 on four consecutive dithered R filter CCD images obtained on (2007 July 05.04813, 05.04966, 05.05122, 05.05278, with corresponding R magnitudes of 16.7, 16.6, 16.6, 16.6) obtained at the 1.3m Ritchey Chretien f/7.5 telescope at Skinakas Observatory, Crete, Greece, using the Roper CCD Camera (with a SITE 1k x 1k chip with 24µm sq. pixels). The position obtained for the nova candidate is RA(2000) = 00h 43m 04.05s, Dec(2000) = +41° 17' 08.3" with an accuracy of 0.1". A stacked image from 2007 July 03.03719 shows no object at the position of the nova candidate brighter than the limiting R magnitude of ~19.9. All magnitudes given are from a photometric solution using R magnitudes of the Massey M31 catalog.