Mt. Graham International Observatory (MGIO) Click here to visit the new MGIO web site at http://mgpc3.as.arizona.edu. This image of the Mt. Graham night sky was taken from High Peak (the 10700-foot summit of Mt. Graham) in 1985 by Doug Officer and Paul Welch. A special camera built by Roger Angel and personnel from the Steward Observatory Mirror Lab combined a 16 mm Nikon fish-eye lens and a ...