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Old 02-12-2012, 06:31 PM
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Shark Bait (Stu)
'ZZ9 Plural Z Alpha'

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Join Date: Dec 2011
Location: Brisbane
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Quote:
Originally Posted by lepton3 View Post
C11 on CGEM, with a f/6.3 focal reducer, the field of my Atik320E camera is about 10 arc min wide.

With 2-star align + 4-star calibration, the CGEM will reliably put a target within the middle half of the field, so say 5 arc mins.

If I do a Precise Goto, it will be within about 1 arc min.

-Ivan
Thanks for the feedback Ivan. 5 arc min and down to 1 arc min for precise tracking is what I wish for. I am not all that familiar with EQ mounts but I assume that level of accuracy is considered the standard for long exposure astro photography.
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