Re: [APML]: signal-to-noise

["Bobby Middleton" <bobbym@unicomp.net>]

The Astro-Photography Mailing List
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> The Astro-Photography Mailing List
> >but what can one do to improve the signal-to-noise ratio for reflection
> >nebulas 
> >and galaxies besides double-stacking? 
> 
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> From: Jerry Lodriguss
> 1. darker site
> 2. Higher contrast film
> 3. Film with better Detective Quantum Efficiency.
> 4. Image Processing
> 5. Shoot CCD.

1)  Darker  sites are possible but perhaps not too convenient.
2)  That would be tec-pan and I presume slower color films such as....?
3)  That one went right over my head Jerry. Can you briefly explain
     for us laymen.
4)  I'm doing that but I would imagine my technique is still quite lacking
    with only 6 months experience with photoshop. 
5)  It's on the to-do list :-)

Bobby Middleton

astropics at: http://home.unicomp.net/~bobbym/astro1.htm