| SUPERNOVA
2010bo
G. Pignata and M. Cifuentes, Universidad Andres Bello;
J. Maza, M. Hamuy, R. Antezana, L. Gonzalez, P. Gonzalez,
S. Silva, G. Folatelli, R. Cartier, F. Forster, S. Marchi,
and A. Rojas, Universidad de Chile; B. Conuel, Wesleyan
University; 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 15.8 +/- 0.2) on an unfiltered
image taken on Apr. 10.27 UT with the 0.41-m 'PROMPT
3' telescope located at Cerro Tololo. The new object,
which is also present at mag approximately 15.9 +/-
0.2 in an image taken on Apr. 11.11, is located at R.A.=
15h56m22s.57 +/- 0".1, Decl. = -31°32'09".8 +/- 0".1
(equinox 2000.0), which is about 5".9 west and 3".4
north of the center of the apparent host galaxy. Nothing
is visible at this position on archival images taken
on Mar. 19.38 (limiting mag 18.5) and 2009 Aug. 10.99
(limiting mag 18.0).
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