It appears Comet Ison may very well be cat-like.  Chunks of the nucleus have made it through the solar corona, re-emerged and are beginning to brighten.  I have  provided a link to read the entire story by CNN, updated 8:11 AM EST, Fri November 29, 2013

http://www.cnn.com/2013/11/29/us/ison-comet/

Karl Battams at NASA’s Comet ISON Observing Campaign – wrote on Twitter:

“Alright we’re calling it, and you heard it here first: We believe some small part of #ISON’s nucleus has SURVIVED perihelion. ”  As reported on Earthsky.org.

http://earthsky.org/space/big-sun-diving-comet-ison-might-be-spectacular-in-2013