***UPDATE*** Evidence Ison Survived

***UPDATE***
Information from the IO9 blog has some pretty disapointing news:

From the blog

• After a weekend of hemming and hawing from experts, the sun-grazing ball of ice and dust has been declared officially dead. Again. Except this time, it's pretty much for sure

As you can see, as of Nov 30 Ison had disintegrated into a dusty smudge.  The Bad Astronomy site has a killer time lapse video
Here

Evidence in the form of  material, appeared, streaming away, on the other side of the sun,  which appeared in  NASA's Solar and Heliospheric Observatory late in the evening on Nov. 28, 2013. This seemed to

indicate that Comet ISON survived, at least in part, it's close encounter with the sun and now it is on a trajectory that will fling it out of the solar system proper.

The question now is whether it is just left over debris  or some portion of the comet's nucleus. Analysis supplied from staff at the NASA's Comet ISON Observing Campaign suggest that it may be at least a small portion of the comet's nucleus.

For more information on Comet ISON: www.nasa.gov/ison