RE: [APML] Sword in the mist - my deepest yet

[Alan Voetsch <alanv12952@yahoo.com>]

--- Chris Schur <cschur@therim.com> wrote:
> Alan and Stuart, the reds are caused by halation of the red layer. 
> Supra
> has an abundance of red sensitivity so all stars no matter what
> brightness have a red halo around them.

Thanks Chris. Yes, I'd agree with that assessment. Seems like those
rings show best on Supra, but the way I process images, I never know.
Not nearly as bad on SHQ200, if at all.

Thanks,
Alan


=====
SCT Astrophotography: http://www.pbase.com/avoetsch/astrophotography
FS-102 G-11/Gemini: http://www.pbase.com/avoetsch12952/tak_fs102
& http://www.pbase.com/avoetsch12952/fs102

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