SN 2004fx:

P200/DBSP, Nov 17, Mahabal
P200/DBSP, Nov 18, Moon and Cenko
Keck/LRIS, Dec 14, Ellis and Sullivan
P200/DBSP, Jan 14, Gal-Yam
P200/DBSP, February 6, Soderberg and Fox
P200/DBSP, 2006 January 8, Cenko (nearby HII region)