Thread: Another List
View Single Post
  #9  
Old 10-03-2014, 01:31 AM
glenc's Avatar
glenc (Glen)
star-hopper

glenc is offline 		 
Join Date: Jun 2005
Location: Terranora
Posts: 4,406
My 16" GSO reflector is nearly as good as W & J Herschel's 18.5".
They probably had better contrast with no secondary mirror and a longer 20 ft. tube.
Their 15 arc-min field at 157 times was much worse.
Reply With Quote