View Single Post
  #5  
Old 04-04-2015, 03:09 PM
ralph1
cloud magnet

ralph1 is offline
 
Join Date: Dec 2014
Location: Sydney, Australia
Posts: 168
Quote:
Originally Posted by Visionary View Post
What if you placed cold packs onto your scope?
When I used a hot pack to remove dew while observing, I found that the change in temperature was uneven across the mirror and it became impossible to focus for ten minutes after. I would suggest that a cold pack could have the same effect.
Ralph
Reply With Quote