Re: [APML] Blue Witch in a Red Sea

["Stuart Heggie" <stuart.j.heggie@sympatico.ca>]

Chris, a beautiful shot! I would not have believed there was so much H-Alpha in that region but I
guess most folks are so focused on pulling the blue out that the red is lost. Wow!

The six diffraction spikes on Rigel - are they caused by the spider holding the film roll? Why six
and not four?

Stuart
----- Original Message -----
From: "Chris Schur" <cschur@therim.com>
To: "APML" <Astro-Photo@seds.org>
Sent: Sunday, December 26, 2004 11:03 PM
Subject: [APML] Blue Witch in a Red Sea


> Hi all,
>
> This is a very deep stack of schmidt frames from last dark of the moon, my
> deepest yet of this object as well.  I was surprised at how the background
> is filled with so much free hydrogen, the entire constellation of Orion must
> be an ocean of this stuff:
>
> http://www.psiaz.com/schur/astro/filmimagepages/witch-1.html
>
>
> Comments?
>
>
> Clear Skies,
>
> Chris Schur
> Astro: http://www.PSIAZ.com/Schur/astro
> Robotics: http://www.psiaz.com/schur/astro/roboticsmain.html
>
> ---
>
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