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)