Hubble’s ISON Update

Hubble's look at ISON.  Click for larger. Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

Hubble’s look at ISON. Click for larger. Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

The impending ISON breakup that seems to be predicted on certain Internet sites is a FAIL so far. Not to say it won’t happen, just so far it hasn’t happened.

Comet ISON has brightened by a half a magnitude since Monday’s post, it has broken the mag 9 mark and is now 8.99 according to Stellarium and The Sky program I use. I am going to try and get a small scope on it this weekend. If I have REALLY good weather I might try using the big scope I think it is high enough to see. I have a problem in that direction due to trees, normally not too much of an issue because I can wait, but this is a close call with sunrise.

From Hubblesite:

A new image of the sunward plunging Comet ISON suggests that the comet is intact despite some predictions that the fragile icy nucleus might disintegrate as the Sun warms it. The comet will pass closest to the Sun on November 28.

In this NASA Hubble Space Telescope image taken on October 9, the comet’s solid nucleus is unresolved because it is so small. If the nucleus broke apart then Hubble would have likely seen evidence for multiple fragments.

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