Re: [APML] Provia 400F and comet I-Z [on April 14th]

["Chris & Jennifer Cook" <ccjd@ix.netcom.com>]

Hi Paul -
You're not imagining the dust tail, it is there.  It is faint and very
spread out......it covers a relatively large area below the ion tail.
I guess misty is the best word that describes it.

Chris


==================
Chris Cook
Astronomical Photography
www.abmedia.com/astro



-----Original Message-----
From: Paul M. Rybski <rybskip@idcnet.com>
To: astro-photo@seds.org <astro-photo@seds.org>
Cc: Astroclass <rybskip@idcnet.com>
Date: Wednesday, April 24, 2002 10:47 PM
Subject: Re: [APML] Provia 400F and comet I-Z [on April 14th]


>Dear Chris,
>
>     This is an exceptionally interesting photograph because it appears to
>show a distinctly wide fan of a dust tail immediately below the rather
>narrow and straight ion tail (complete with a small disconnection event, as
>you note).  Am I merely imagining the dust tail?  Is it an artifact of the
>processing?
>
>Paul
>
>
>
>>Hi all -
>>I've posted my shot of the comet from the morning of April 14th.  While
>>processing the image, I couldn't decide which was more beautiful.....the
>>comet or the star colors recorded by the Provia 400F.  I really love the
>>very red star near the center of the field and about half way back just
>>under the tail, near the brightening of the disconnection event.
>>
>>Here's the image:
>>http://www.abmedia.com/astro/current/ikeya-zhang-041402.html
>>
>>I could've gone longer than the 38min @ f/6.9 but had to cut the exposure
>>because of the approaching dawn.
>>
>>Hope you enjoy it.  Comments always welcome.
>>
>>Chris
>>
>>==================
>>Chris Cook
>>Astronomical Photography
>>www.abmedia.com/astro
>
>
>________________________________________
>Paul M. Rybski, Ph.D.
>Associate Professor and former Chair, Dept. of Physics, and
>Director, Whitewater Observatory
>University of WI-Whitewater
>Whitewater, WI  53190-1790
>
>Office FAX:     (414) 472-5633
>Email address:  rybskip@uww.edu
>
>
>
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