Novae and Supernovae
Links
Very-Late-Type Spiral and Irregular Galaxy Supernova Search
http://www-pw.physics.uiowa.edu/~cda/snproj/snproj_main.html
Current statistics of search at University of Iowa, movies of observed SNe. The rates in Sdm-Sm and Irr galaxies seem to be higher even than in late type Sbc-Sd galaxies.
When supernovae go hyper: NASA article
http://science.msfc.nasa.gov/newhome/headlines/ast21oct98_1.htm
Magazine-style article written by NASA on the explanation for gamma-ray bursts surrounding 'hypernova' type supernovae.
X-ray Astronomy: Supernovae and their remnants
http://imagine.gsfc.nasa.gov/docs/science/know_l1/supernovae.html
Brief NASA introduction to supernovae. Includes images.