Comet ISON 2012 S1 Photos This Sun-grazing Comet expected to be the Comet of the Century had a violent Encounter with the Sun and broke apart at Perihelion or closest approach to the Sun on November 28th. This is my shot of Comet ISON before it disintegrated. The Green Color common in Comets, are C2 Carbon molecules..building blocks of Life! I captured this beautiful image while tracking on the Nucleus of the Comet on 10-26-2013. 40 minute exposure.