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Re: [APML]: pointsource/filters -Reply



The Astro-Photography Mailing List
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Chuck, that is an H-Alpha Pass filter I was referring to (forgot "Pass"). 
So you've used point source?  I don't mind the physical contortion
needed to use it, but does it produce results?  Precise focus?

>>> Chuck Vaughn <aa6g@aa6g.org> 09/17/98 11:13pm >>>
The Astro-Photography Mailing List
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Capt Donald McKenzie wrote:
>  > 2.  If I use a Deep Sky or  H Alpha filter b/w the camera and guider
(as
> with the Lumicon set up) will I be able to see what I need to, to focus,
> through the filter when I temporarily place the point source on?

Deep Sky yes, H-a no.

Chuck <aa6g@aa6g.org>