Thread: Newtonian secondary mirror DEW prevention.
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Old 15-02-2009, 09:09 AM
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lesbehrens (Les)
Les

lesbehrens is offline 		 
Join Date: Feb 2008
Location: Qld
Posts: 525
my 16" 2ndry does dew up. i too am looking to fix that up. i have thought about putting a heater around the 2ndry. that should work.
les
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