Massive supernova visible from Earth

Mark Sullivan, the astrophysicist heading the Oxford team examining the supernova, said: "For many it could be a once in a lifetime chance to see a supernova blossom and then fade before their eyes. We may not see another like it for over 100 years." http://ummid.com/news/2011/September/09.09.2011/supernova_visible_frm_earth.htm