Electronic Telegram No. 2412
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Room 209; Dept. of Earth and Planetary
 Sciences; Harvard University; 20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbat@iau.org; cbatiau@eps.harvard.edu
URL http://www.cfa.harvard.edu/iau/cbat.html


POSSIBLE NOVA IN M31:  M31N 2010-08a
     Rafael Ferrando, Segorbe, Spain, reports his discovery of an apparent
nova (mag about 18.5) in M31 from five 120-s unfiltered CCD frames (limiting
mag 20.0) taken around Aug. 8.16 UT with a 0.40-m f/10 Ritchey-Chretien
reflector, the new object located at R.A. = 0h43m28s.28, Decl. = +41d41'25".0
(equinox 2000.0 assumed, not stated).  A possible faint object is visible at
this location on an image from 2009 Aug. 26.13, which is posted by Ferrando
at the following website URL:  http://pladearguines.com/NOVAM31-20100808.gif.
Additional unfiltered CCD magnitudes by Ferrando for M31N 2010-08a:  Aug.
10.005, 18.2; 14.153, 17.9.  Other Spanish observers have reported unfiltered
CCD magnitudes for M31N 2010-08a:  Aug. 8.109, 18.5 (Carlos Segarra, Algimia,
0.20-m f/4 reflector); 8.137, 18.5 (Felipe Pena, Atzeneta del Maestrat,
0.15-m f/5 reflector); 10.057, 18.3 (Segarra; position end figures 28s.30,
25".2); 11.137, 18.1 (Angel de la Hermosa, El Boalo, Madrid, 0.35-m f/10
Schmidt-Cassegrain reflector; position end figures 28s.28, 24".9; image
posted at URL http://img228.imageshack.us/img228/4929/pnovam312010811.jpg).


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2010 CBAT
2010 August 14                   (CBET 2412)              Daniel W. E. Green