View Single Post
  #2  
Old 21-05-2017, 09:32 AM
Wavytone
Registered User

Wavytone is offline
 
Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
Depends on the scope. With a Newtonian do it after setting up. With my mak, I wait an hour or so for the scope to settle thermally.
Reply With Quote