2010CBET.2591....1P

G. Pignata and M. Cifuentes, Universidad Andres Bello; J. Maza, M. Hamuy, R. Antezana, L. Gonzalez, R. Cartier, F. Forster, S. Silva, and F. Carrasco, Universidad de Chile; P. Gonzalez, Pontificia Universidad Catolica de Chile; B. Conuel, Wesleyan University; G. Folatelli, IPMU, University of Tokyo; and D. Reichart, K. Ivarsen, J. Haislip, A. Crain, D. Foster, M. Nysewander, and A. LaCluyze, University of North Carolina at Chapel Hill, on behalf of the CHASE project, report the discovery of an apparent supernova (mag approximately 16.8) on an unfiltered image taken on Dec. 16.31 UT with the 0.41-m 'PROMPT 1' telescope located at Cerro Tololo. The new object, which is also present at mag approximately 16.6 in an image taken on Dec. 17.33, is located at R.A. = 11:39:04.78 ± 0".2, Decl. = -0:12:40.2 ± 0".2 (equinox 2000.0), which is about 21".7 east and 19".0 south of the center of the galaxy IC 716. Nothing is visible at this position on archival images taken on June 5.98 (limiting mag 18.0) and May 12.04 (limiting mag 18.5).