Thread: A last go at M16
View Single Post
  #4  
Old 22-08-2019, 03:46 PM
Geoff45's Avatar
Geoff45 (Geoff)
PI rules

Geoff45 is offline 		 
Join Date: Jul 2006
Location: Sydney
Posts: 2,631
I agree with Marc. The narrowband image is a real benchmark for a 200mm aperture.
Geoff
Reply With Quote