A bright magnitude 15.6 Type IIn supernova, 2007bt, was discovered on the 17th April, 2007, by the Nearby Supernova Factory in an anonymous galaxy in the constellation Bootes. The supernova is located near the centre of the host galaxy.
Position (2000): R.A. = 14h27m47s.73, Dec. = +12°48'47".1