Thread: Cheap guiding alternative with Q-guider
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Old 09-12-2009, 02:04 PM
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pmrid (Peter)
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pmrid is offline 		 
Join Date: May 2008
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Have a look at this article and the calculator at the bottom. According to that, with the QHY5 pixel size being 5.2 um, the calculated focal length of a guide scope can be as low as 35mm.

http://www.wilmslowastro.com/tips/autoguiding.htm


Peter
Last edited by pmrid; 09-12-2009 at 02:06 PM. Reason: forgot the link:
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