SN 2005an:

This SN was discovered by LOSS (CBET 113) on March 3, 2005, and absent on January 20, 2005. Featureless blue spectra and rising LC indicate it is young.

The host galaxy ESO 506-G11 is at z=0.011014 (NED).

Spectra reported by Modjaz et al. (CBET 113) and by SNfactory ATEL 435 shows this is a young type II SN.