Snow, Mountains, Telescope

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.

Canon G3 X, 7-image panorama cropped, 1/500 sec at f/5.0, 85mm, ISO 125.
© 2019 Marc A. Murison: CC-BY-NC-ND
Canon G3 X, 4-image panorama, 1 sec at f/4.5, 35mm, ISO 125.
© 2019 Marc A. Murison: CC-BY-NC-ND

Twilight Dome Fun

Here are a few images from goofing around yesterday evening with the NOFS 61-inch telescope, dome, and twilight. Images were taken with a Canon G3 X at ISO 125 on 2019-02-07 MST. Click on an image to enlarge; right-click to open the full-resolution version in a new tab. Ordering is reverse-chronological because I like the 7:02pm image best.

All images © 2019 Marc A. Murison: CC-BY-NC-ND

19:02 MST, 25 seconds, F/3.5, 43mm focal length
18:53 MST, 59 seconds, F/6.3, 43mm focal length
18:45 MST, 35 seconds, F/11, 43mm focal length
18:33 MST, 1/2 second, F/3.5, 43mm focal length
18:29 MST, 1 second, F/5.6, 50mm focal length