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Old 07-01-2015, 05:14 PM
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barx1963 (Malcolm)
Bright the hawk's flight

barx1963 is offline
 
Join Date: Nov 2008
Location: Mt Duneed Vic
Posts: 3,982
My 20" mirror was 20 years old but was fine. Ended up recoating simply because after 20 years it is going to have some issues sooner rather than later.
With the Palomar they recoat the 200" regularly (there are videos on Youtube showing the process!)

Malcolm
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