Re: [APML] OT: M20 Halpha Widefield

["Stuart Heggie" <Stuart.J.Heggie@sympatico.ca>]

Richard, beautiful shot! I think when you have all three channels it will be
a stunning tri-colour image. I love H-Alpha though.

Stuart
----- Original Message ----- 
From: "Richard Crisp" <rdcrisp@earthlink.net>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Sunday, July 03, 2005 7:46 PM
Subject: [APML] OT: M20 Halpha Widefield


> Fremont Peak was near-perfect on Friday night. It was warm, dry, clear,
dark
> and with rock solid seeing. I can't remember when I've seen it like that
> exactly but it's only been a few times.
>
> Here is an image I took on Friday night. It is the Halpha channel of a
> planned tricolor eline image. I took 1.5 hours of Halpha (6x15 minutes)
and
> another 1.5 hours of [OIII] which I have not yet processed.
>
> Since I was unable to complete the data acquisition for the object on
Friday
> night, I sort of wish I'd just stuck with gathering more Halpha for more
> depth and definition in this image, but I have to work with the data I
have,
> not the data I wish I had (apologies to Don Rumsfeld).
>
> http://www.narrowbandimaging.com/m20_ap180_6303_ha_page.htm
>
>
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