2nd contact diamond ring from the Arctic eclipse

Photographer
Morefield
Email
Kevinrmorefield@gmail.com
Location of photo
Longyearbyen, Svalbard Norway. 78 degrees Latitude
Date/Time of photo
March 20 11am
Equipment
Canon 70d with Canon 400mm f2.8 on an Astrotrac mount
Description
Having trouble reaching infinity focus, possibly due to the zero degree F temps. I stopped down to f11 to get focus and netted some nice diffraction on the diamond.