Electronic Telegram No. 2484 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION CBAT Director: Daniel W. E. Green; Hoffman Lab 209; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau@eps.harvard.edu (alternate cbat@iau.org) URL http://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network SUPERNOVAE 2010im AND 2010in Further to CBET 2463, A. J. Drake, S. G. Djorgovski, A. Mahabal, M. J. Graham, and R. Williams, California Institute of Technology; R. H. McNaught and G. Garradd, Australian National University; J. L. Prieto, Carnegie Observatories; 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 CRTS discovery of two apparent supernovae in unfiltered Siding Spring Survey (SSS) images: SN 2010 UT R.A. (2000.0) Decl. Mag. Offset 2010im Oct. 4.53 20 11 31.59 -45 41 57.8 16.3 1".9 E, 5".9 S 2010in Oct. 6.64 1 16 14.62 -30 32 45.4 18.5 5".2 E, 7".7 S Further SSS magnitudes for 2010im: Aug. 6.56 UT; [20.0, Sept. 2.52, 16.6; Oct. 5.48, 16.4. Further SSS magnitudes for 2010in: 2009 Dec. 5.50, [19.5; Aug. 20.80, 17.8. The presumed host galaxy of 2010in, 2dFGRS S375Z040, has redshift z = 0.036. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2010 CBAT 2010 October 7 (CBET 2484) Daniel W. E. Green