2010CBET.2280....1D

A. J. Drake, S. G. Djorgovski, A. Mahabal, M. J. Graham, and R. Williams, California Institute of Technology; R. McNaught and G. Garradd, Australian National University; M. Catelan, Pontificia Universidad Catolica de Chile; E. C. Beshore and S. M. Larson, Lunar and Planetary Laboratory, University of Arizona; and E. Christensen, Gemini Observatory, report the discovery of an apparent supernova in unfiltered 0.5-m Uppsala Schmidt telescope images from the Siding Spring Survey (SSS):

---------------------------------------------------------------------------— SN 2010 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------------— 2010cq May 8.73 21 01 44.10 -14 38 30.5 16.4 4".3 E, 26".4 N ---------------------------------------------------------------------------—

Further magnitudes for 2010cq in PGC 187888: 2009 Apr. 26.8, [19.5 (SSS); 2009 May 11.8, [19.3 (SSS); 2010 May 13.4, 16.4 (J. Brimacombe, Cairns, Australia; unfiltered images taken remotely with a telescope near Mayhill, NM, U.S.A.). The host galaxy (2MASS Flat Galaxy Catalogue number 15924) has redshift z = 0.0275 (6dF Galaxy Survey; cf. Jones et al. 2004, MNRAS 355, 747).