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Re: [APML] NGC6820 - a CCD attempt to emulate Film



Thanks John,

     The Ha filter was a Custom Scientific (3nm wide).

      And yes, I am spending less time with film.  But the hybrid Ha CCD
and Tri-Color TechPan result has also got my interest.


>From:           	"John C. Mirtle" <mirtle.j@home.com>
>
> Mike;
>     Very impressive! You have picked up a hair more nebulosity than a 30
> minute W92 8" Schmidt shot does with tech-pan, with the detail of your
> longer focal length. And it's in colour! Does this mean that you will be
> spending less time with film? The H-alpha filter you mentioned - is this a
> Lumicon filter, or a narrow band filter?
> 
> John Mirtle


Mike Cook, AF9Y
http://www.webcom.com/af9y
mwcook@cris.com




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