SN 2005cp:

This SN was discovered by Wolfgang Kloehr (IAUC 8550) on June 27, 2005, and absent on June 21, 2005, so discovered young. Spectroscopy by Modjaz and collaborators indicates young II.

The host galaxy M51 is at z=0.002 (v=600 km/s; NED).

Spectrum reported by Modjaz et al. (CBET 174) shows this is a young type II SN.