Re: [APML] IC1396 CCD with Schmidt-like FOV

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

Hi Rob -

Beautiful images as always!
I got a question though.  What is causing the bluish halos around the
brighter stars?

Chris


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


-----Original Message-----
From: Robert Gendler <robgendler@worldnet.att.net>
To: astro-photo@seds.org <astro-photo@seds.org>
Date: Saturday, August 03, 2002 10:24 AM
Subject: [APML] IC1396 CCD with Schmidt-like FOV


>Hi all,
>Using Nikon 180mm and 300mm lenses and the ST10
>I've created a widefield color image of the IC1396 complex.
>The inner detail of the nebula was imaged with the 300mm lens
>(using HA and red as luminance) and the outer portion was taken
>with the 180mm giving the generous FOV (straight RGB). I believe
>the FOV and detail compare favorably with schmidt camera and
>medium format film images of this object which demonstrates
>that large field color imaging can be done successfully with CCD
>and camera lenses. The widefield image is at
>http://www.robgendlerastropics.com/1396Large.html
>A cropped higher res version is at
>http://www.robgendlerastropics.com/1396Small.html
>The lenses were mounted on the ST10 using Steve Mandels adaptor
>and were secured on the mount using two losmandy adjustable tube rings.
>The 150mm ring fit perfectly around the ST10 while the 125mm ring
>supported the lenses. I have two pictures of the setup at
>http://www.robgendlerastropics.com/camera300.jpg
>http://www.robgendlerastropics.com/camera180.jpg
>Enjoy!
>Rob Gendler
>Email: robgendler@att.net
>Web site: http://www.robgendlerastropics.com/
>
>
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