Re: [APML] All sky camera mirror

[George Anderson <georgea@cam.org>]

Hi Chris

Thats the mirror, but with that amount of glass to be ground I'll have
to build a machine and try to figure out what to do with a 12" f/2
mirror. The thought of a schmidt corrector for a 12" schmidt camera does
not sit well.

George Anderson
Montreal Canada

Clear skies and good health

Chris Schur wrote:
> 
> George, You mean like this one:
> 
> http://www.psiaz.com/Schur/astro/latest27.html
> 
> I shot this with an f/.5 system, youll need something like f/.5 to f/2 to
> get the whole sky, your f/5 wont be wide enough.
> 
> Chris Schur
> 
> Astrophotography: http://www.psiaz.com/schur/astro/index.html
> 
> -----Original Message-----
> From: owner-astro-photo@seds.org [mailto:owner-astro-photo@seds.org]On
> Behalf Of George Anderson
> Sent: Sunday, September 29, 2002 8:25 PM
> To: APML
> Subject: [APML] All sky camera mirror
> 
> Just a thought...
> Would the glass tool used to grind a 12" f/5 mirror be suitable for an
> all sky camera mirror after polishing and aluminizing?
> After the last two auroras I am thinking that an all sky setup might
> produce some stunning results.
> 
> George Anderson
> Montreal Canada
> 
> Clear skies and good health
> 
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