SN 2004et:

(Lick/KAST), October 12, Foley
P200/DBSP, Nov 18, Moon and Cenko
Keck/LRIS, Dec 13, Ellis and Sullivan
P200/DBSP, Jan 14, Gal-Yam
P200/DBSP, Apr 4, Moon+Cenko
P200/DBSP, 2005 October 24, Gal-Yam (high res)