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REPORT COPYRIGHT VIOLATION IN REPLY
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Message Subject
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Blue Sky / Red Sky : Comet ISON 2013
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Poster Handle
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pepe3797 |
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Post Content
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bad news about this comet
From the comets-ml yahoo group (march 5th):
Disappointed comet, because it has the same appearance and faintness as seen 2 months ago. Visually has not brightened at all. Motion was checked in 1 hour period.
What is the matter with this object? Initially there seemed to be normal brightening with the passage of time, but then it steadied and subsequently even fell some in brightness. Now the data implies that in spite of it slowly decreasing heliocentric distance the comet, in spite of presenting a very distinct tail, is still not brightening to any obvious degree.
I appreciate that there was some talk a while ago about backscattering perhaps temporarily influencing this comet's brightness, but honestly I've never ascribed much to that ever having been a major factor in most comets. Neither does any sort of outburst-like event seem to explain the situation as the comet's apparent DC and coma size has not radically changed over time. So just what is going on here?
To me, at least, what we are currently seeing probably doesn't bode at all well for this comet's ultimate future development.
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