View Single Post
  #81  
Old 22-05-2015, 05:03 PM
Eratosthenes's Avatar
Eratosthenes (Peter)
Trivial High Priest

Eratosthenes is offline
 
Join Date: Apr 2015
Location: Melbourne, Australia
Posts: 392
Quote:
Originally Posted by xelasnave View Post
Sorry Peter I forgot to thank you for your good explanations.
no need Alex

It's a bit like my 27 year old Newtonian reflector and collimation