SN 2005bw:

This SN was discovered by Puckett and Gagliano (CBET 147) on April 28, 2005, and absent on April 16, 2005, so discovered rather young.

The host galaxy UGC 8539 is at z=0.024527 (NED).

Spectrum reported by the nearby SN factory (ATEL 473) shows this is a type II SN.