[AZ-Observing] Re: Changes in 17P/Holmes in Six Hours

Sorry Brian,

Guess I didn't form my questions completely.  I did see your post
(thanks for putting some science behind your inputs and our
observances).

I gather that, since we don't fully understand the mechanism driving the
"outbursts" demonstrated by this comet, how can we be sure they'll be
repeatable?  That was what I was poking at . . .

So, looking at it another way: if the phenomenon is completely
reproducible, wouldn't we have a case for a persistent condition rather
than an opportune (from an Earth observer's perspective) shedding of
material?

Darrell Spencer


-----Original Message-----
From: az-observing-bounce@xxxxxxxxxxxxx
[mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Brian Skiff
Sent: Thursday, October 25, 2007 11:30 AM
To: az-observing@xxxxxxxxxxxxx
Subject: [AZ-Observing] Re: Changes in 17P/Holmes in Six Hours

     Yesterday I sent out a quote from the IAU Circular that noted
that in 1892 when a similar outburst occured on the same comet
during its discovery apparition, the comet went from 12th to 4th,
then faded steadily by three magnitudes during the following week.

\Brian
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