[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
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
-- APML Archives at <http://astro.umsystem.edu/apml/> ---
Unsubscribe at <majordomo@seds.org>