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Re: [APML]: ST-4 test first night
The Astro-Photography Mailing List
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Chris I also didn't iron out my problems until I got a screw-in reducer
which took me from guiding at 2540mm down to about 1100mm.
If your corrections
don't get lower you might consider this.
Also for your info Chris my Ca1 is 6 or 7 (higher near the pole)
and Ca2 is 9.
Bobby Middleton
astropics at: http://home.unicomp.net/~bobbym/astro1.htm
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> From: Ian Turner <
>
> Chris I never guided the 12", 10" or 8" or any other LX200 at
> prime focus usually just at 1000mm. I found that you can track at 1/3 the
> prime focus FL.
> Ian Turner
> Astrophoto and CCD Imaging Tips
> http://www.mindspring.com/~skyshooter/
>