http://news.yahoo.com/s/ap/20080521/ap_on_sc/star_explosionThe chances of two simultaneous supernovae explosions so close to each other is maybe 1 in 10,000, Soderberg said. The odds of looking at them at the right time with the right telescope are, well, astronomical.
Add to that the serendipity of the Berkeley team viewing the same region with an optical light telescope. It took pictures of the star about three hours before it exploded.
