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Old 05-05-2018, 10:15 AM
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peter_4059 (Peter)
Big Scopes are Cool

peter_4059 is offline
 
Join Date: Jun 2007
Location: SE Tasmania
Posts: 4,532
Quote:
Originally Posted by kens View Post
There's no law against it. The things to watch for are when you have a small guiding pixel scale and differential flexure is always a problem.
If your guiding pixel scale is very small you can alleviate that with either a focal reducer and/or by binning the camera.
Ken,

Why is the the small pixel scale an issue for differential flexure? I always believed flexure would be an issue regardless of the pixel scale.

I also thought binning the guider would reduce the resolution placing more reliance on the (sub pixel) centroid calculation.

Peter.
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