Thread: Heating the tube to keep dew of a Newtonian mirror
View Single Post
  #4  
Old 07-02-2010, 07:10 AM
iceman's Avatar
iceman (Mike)
Sir Post a Lot!

iceman is offline 		 
Join Date: Sep 2004
Location: Gosford, NSW, Australia
Posts: 36,799
A fan blowing up from under the mirror keeps dew off the mirror.

But you may need a heater for the secondary.
Reply With Quote