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Re: [APML] Seagull Nebula (IC 2177)

Hi Axel, very nice image.  I'm surprised that you had a vignetting problem,
I thought the Vixen was well illuminated.

Here is an LRGB shot of mine from about 100 miles west of Organ Pipe in the
San Diego Mountains.

http://www.astroimager.net/Page-180-9.html

Jim

----- Original Message ----- 
From: "Axel Mellinger" <axm2@canopus.physik.uni-potsdam.de>
To: <astro-photo@seds.org>
Sent: Sunday, November 09, 2003 4:33 AM
Subject: [APML] Seagull Nebula (IC 2177)


> Hi all,
>
> After a very busy year I finally I got around to process a Seagull Nebula
> mosaic from my trip to Organ Pipe Cactus National Monument last winter
> (quite a long time ago!).
>
> Three days after an extremely windy night during which I did my film test
> shots
>
(http://canopus.physik.uni-potsdam.de/~axm/Filmtest_IC2177/Filmtest_IC2177.h
tml )
> I photographed the same region again, this time under much more favorable
> conditions. A total of 3 images on Kodak PJ400 were combined into a
> stack/mosaic:
>
> http://canopus.physik.uni-potsdam.de/~axm/photo.cgi?Image=images/IC2177
>
> Removing vignetting was quite tough, since the nebulosity filled a large
> part of the individual images, which made it very difficult to generate
> a good 'sky flat' image.
> Any comments are of course welcome.
>
> Clear skies,
>
> Axel
>
>
> P.S. [OT] Recently I started some mosaic work on the "dark side".
> For those interested there is a link in the 'What's new' section on my
> astrophotography homepage.
>
> P.P.S No lunar eclipse photos; the fog rolled in just in time for the
> umbral phase. I got a glimpse of totality through some thinner
> patches of fog.
>
>
> -- 
> Axel Mellinger  <http://canopus.physik.uni-potsdam.de/~axm/astrophot.html>
> _______________________________________________
> Astro-Photo mailing list
> Astro-Photo@seds.org
> http://seds.org/mailman/listinfo/astro-photo
>


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