Cassiopeia and Cepheus


The constellations of Cassiopeia (behind the organ pipe cactus) and Cepheus (at right center) make star trails in the northwest sky. The hill on the skyline is called Twin Peaks. Lights from a nearby campground illuminated the foreground during the 74-minute exposure.

Date: March 17, 2006
Time: 8:09 to 9:23 p.m. MST
Location: Organ Pipe Cactus National Monument, Arizona
Camera: Olympus OM-1 35mm SLR on fixed tripod
Film: Fuji Provia 100F slide
Focal length: 40 mm
Aperture: f/2
Exposure time: 74 minutes
Scanner: Nikon Coolscan LS-2000

Revised: July 29, 2006
Copyright © 2006 Joe Orman
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