Electronic Telegram No. 1792 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) CBAT@CFA.HARVARD.EDU (science) URL http://www.cfa.harvard.edu/iau/cbat.html SUPERNOVAE 2009dz-2009ed Further to CBET 1791, A. J. Drake, S. G. Djorgovski, A. Mahabal, R. Williams, and M. J. Graham, California Institute of Technology; E. Y. Hsiao, M. L. Graham, and C. J. Pritchet, Department of Physics and Astronomy, University of Victoria; D. Balam, Dominion Astrophysical Observatory, National Research Council of Canada; 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 additional apparent supernovae in unfiltered Catalina Sky Survey (CSS) images: SN 2009 UT R.A. (2000.0) Decl. Mag. Offset 2009dz Apr. 3.26 12 35 35.77 + 1 52 12.6 18.1 1".5 E, 5".4 N 2009ea Apr. 3.36 14 47 02.39 + 9 57 37.4 18.1 1".9 E, 10".1 N 2009eb Apr. 17.21 09 54 40.35 +19 11 12.7 17.7 0".9 E, 2".6 N 2009ec Apr. 19.23 11 06 28.89 +24 05 15.4 18.3 2".0 W, 0".5 N 2009ed Apr. 24.21 09 23 41.42 +50 24 11.2 17.9 2".8 W, 21".9 S The objects were followed with the Palomar 1.5-m telescope and the Plaskett 1.82-m telescope using Gunn filters. Further magnitudes for 2009dz: Feb. 19.46, [20.5 (CSS); Mar. 16.35, 20.0 (CSS); Apr. 7.18, g = 18.8, i = 19.0, r = 18.5 (Palomar). Further magnitudes for 2009ea: Mar. 18.45, [20.1 (CSS); Mar. 27.45, 20.0 (CSS); Apr. 7.21, g = 17.9, i = 18.6, r = 18.0 (Palomar); 20.44, 19.0 (CSS); 26.47, g = 19.6, r = 18.7 (Plaskett). Further magnitudes for 2009eb: Apr. 2.15, [19.3 (CSS); 18.31, g = 17.9, i = 18.2 r = 18.0 (Palomar); 24.21, g = 18.2, r = 17.9 (Plaskett); 30.21, 18.0 (CSS). Further magnitudes for 2009ec: Mar. 17.36, [20.8 (CSS); Apr. 3.20, 18.9 (CSS); 21.21, g = 18.3, i = 18.9, r = 18.3 (Palomar); May 1.27, 18.8 (CSS). Further magnitudes for 2009ed: Mar. 30.20, [20.5 (CSS), Apr. 26.21, g = 18.3, r = 18.0 (Plaskett); 27.34, g = 18.4, i = 18.4, r = 18.0 (Palomar). NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2009 CBAT 2009 May 4 (CBET 1792) Daniel W. E. Green