SN 2004dt:

This SN was discovered by LOSS (IAUC 8386) on Aug 11. The SN was absent on Aug 1, indicating age less than 10 days after explosion at discovery.

The host galaxy NGC 799 is at z=0.019730 (NED).

A spectrum obtained by Gal-Yam, Fox and Kulkarni ATEL 321 (see also reports from Salvo et al. and Patat et al. on IAUC 8387) on Aug 13, 2004, indicates it is a young type Ia SN

This SN is the target of an HST follow-up campaign as part of the large type Ia-UV program, PI Filippenko.