During this almost 6-hour exposure, star trails form rainbow arcs over the southern horizon, silhouetting a saguaro cactus.
Date: June 8-9, 2002
Time: 9:53 p.m. to 3:40 a.m. MST
Location: Vekol, Arizona
Camera: Olympus OM-1 on fixed tripod
Film: Kodak Ektachrome E200 slide
Focal length: 24 mm
Aperture: f/8
Exposure time: 5 hours 47 minutes
Scanner: Nikon Coolscan LS-2000 (cropped)