Snow on Flagstaff’s San Francisco Peaks, and a picture of the 61-inch telescope at the U.S. Naval Observatory — Flagstaff Station. Click on an image to enlarge; right-click to open the full-resolution version in a new tab.

© 2019 Marc A. Murison: CC-BY-NC-ND

© 2019 Marc A. Murison: CC-BY-NC-ND