The Moon, on the evening of December 10th, at 09:28 p.m. MST. Just looking at it
for a few seconds could leave a golf ball sized black area in your
vision.
Meade DS114EC Saturn 4.5 inch newtonian, with a Celestron 32mm plossl. Taken with a Olympus C-750 UZ. 1/500 second, at f/2.8, ISO 100.