Monday, July 15, 2013
While The 17.5" Reflector Is Being Rebuilt By A Pro...
I have gone back to the 8" f/7 instead. This is prime focus :
I didn't have the focus quite sharp enough, and then the smoke from the Bogus Basin fire made Saturn unavailable. Maybe tomorrow night.
I did an eyepiece projection shot with an 18mm eyepiece along the terminator to try and get the focus right before trying for Saturn: