Comet Hyakutake
NASA homepage related to C/1996 B2. Offers an overview, details about its discovery as well as an image archive.
http://www.jpl.nasa.gov/comet/hyakutake/

Comet Hyakutake
Includes an image gallery with pictures taken in March and April 1996.
http://www.comet-track.com/hy/hy.html

LASCO Home Page
Includes brief facts, images and movies related to the comet.
http://lasco-www.nrl.navy.mil/b2-1996.html

ESO - Comet Hyakutake
Offers news about the tail of the comet as well as a news archive and facts related to x-ray radiation.
http://www.eso.org/outreach/info-events/hyakutake/