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Re: [APML] Orion Mosaic
What is the focal length of the lens used for the mosaic?
I agree its impressive but the comment on "detail" I'm not sure about.
Rob Gendler
Email: robgendler@att.net
Web site: http://www.robgendlerastropics.com/
----- Original Message -----
From: "John C. Mirtle" <spampit@shaw.ca>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Thursday, January 08, 2004 9:02 AM
Subject: Re: [APML] Orion Mosaic
> Chuck,
> Thanks for sharing that with us! That's a pretty amazing image - very
> deep and yet very detailed. Any idea how many frames are in this image so
> far and if he plans to add any more?
>
> John Mirtle
> Calgary, Ab. Canada
>
>
> ----- Original Message -----
> From: "Chuck Vaughn" <aa6g@aa6g.org>
> To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
> Sent: Tuesday, January 06, 2004 8:29 AM
> Subject: [APML] Orion Mosaic
>
>
> > List,
> >
> > I got permission from my friend Bob Townsend to post an image he's been
> > working on. It's a Tech Pan mosaic of most of Orion. I'm just posting
> > this low resolution version so you can see how much is being recorded.
> >
> > http://www.aa6g.org/Images/orion_mosaic.jpg (220KB)
> >
> > The images were taken with the 18" F4 lens on 4x5 Tech Pan with a
> > vacuum back and developed for 10 minutes in D19. They all were 2 hr.
> > exposures with a # 92 filter. The vacuum back film holder is homemade.
> >
> > If you have questions for Bob you can contact him here:
> > <prtownsend@yahoo.com>
> > He's not on APML.
> >
> > Chuck <aa6g@aa6g.org>
> >
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