Thread: What to put on top of the ED80
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  #8  
Old 09-12-2005, 06:56 PM
Dennis
Dazzled by the Cosmos.

Dennis is offline 		 
Join Date: May 2005
Location: Brisbane
Posts: 11,819
Be careful with any catadioptric 'scope for guiding - I hear they can suffer from mirror shift. This can cause guiding errors when the auto-guider on the guidescope chases the star, making the stars in imaging telescope elongated.

Cheers

Dennis
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