M. Armstrong, Rolvenden, U.K., reports his discovery of an apparent supernova (mag about 14.3) on unfiltered CCD images taken on Apr. 7.120 and 7.847 UT with a 0.35-m reflector. SN 2004bd is located at R.A. = 11h39m42s.18, Decl. = +31o54'31".8 (equinox 2000.0), which is approximately 4".7 west and 1".2 south of the center of NGC 3786. Nothing was visible at this position on Armstrong's images taken on 2000 Dec. 30, 2003 May 25, and Dec. 7 or on Palomar Sky survey red and blue plates. M. Mobberley, Cockfield, U.K., confirmed the new object on an unfiltered CCD image taken on Apr. 7.831.
International Astronomical Union Circular
- Pub Date:
- April 2004