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New optical nova candidate in M31

ATEL # 1198; A. Stefanescu (Max-Planck-Institut fuer extraterrestrische Physik, MPE), W. Pietsch (MPE), V. Burwitz (MPE), D. Hatzidimitriou (Department of Physics, University of Crete, UoC), J. Pöpsel, S. Binnewies, H. Ruder (www.capella-observatory.com, Crete), G. Papamastorakis (UoC)
on 30 Aug 2007; 17:15 UT
Password Certification: Wolfgang Pietsch (wnp@mpe.mpg.de)

Subjects: Optical, Nova

We report the discovery of an optical nova candidate in M 31 on ten stacked R filter CCD images (each with 60 sec exposure) obtained on 2007 Aug 30.018 with an R magnitude of 17.8 obtained at the 60cm f/8 Ganymed telescope located at Skinakas Observatory, Crete, Greece, using a ST10XME CCD Camera. The object is confirmed on CCD images with the same telescope using a broad H-alpha filter (4*120 s stacked, 17.7 mag) obtained on 2007 Aug 30.029. The position obtained for the nova candidate is RA(2000) = 00 42 29.37, Dec(2000) = +41 18 25.0 with an accuracy of 0.3". A stacked R image with the same instrumental set-up from 2007 Aug 24.025 shows no object at the position of the nova candidate brighter than the limiting R magnitude of ~19.2. All magnitudes given are from a photometric solution using R magnitudes of the USNO-B1 catalogue.

Capella Observatory


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