NASAS Deep Impact Spacecraft Images Comet ISON

This frame from an animation series of images of comet C/2012 S1 ISON was taken by the Medium-Resolution Imager of NASA Deep Impact spacecraft over a 36-hour period on Jan. 17 and 18, 2013.

This frame from an animation series of images of comet C/2012 S1 ISON was taken by the Medium-Resolution Imager of NASA Deep Impact spacecraft over a 36-hour period on Jan. 17 and 18, 2013.

ISONDeep Impact