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[QUOTE=Screwdriverone;1098858]dew....
1) with the roof "open" the bottom, effectively looks up at the sky and being metal, will probably dew up a treat in the cold night air. What happens when you go to close it after imaging? All that lovely wet metal will rain down on your scope and leads me to point .
Hi Richard,
Why not just line the insideof the roof with a polyurethane (or similar) sheet , this because of its low heat capacity will not collect dew and when closed will offer some insulation for the scopes during the day.
Philip
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