Astronomy and astrophotography under California stars
Circumpolar Star Trails
Chilao Campground
Circumpolar Star Trails from the Chilao Campground with a Canon 5D Mark II. Click for a larger version.
Other Names/Objects
Optics Canon EF 16-35mm f/2.8L II lens at f/3.2
Mount Manfrotto tripod
Camera Canon EOS 5D Mark II
Exposure 266 minutes and 20 seconds (799 x 20 seconds) at ISO 800
Calibration 0 darks | 0 flats | 0 bias
Air Temperature Between 55° & 70°F
Accessories Satechi TR-A Intervalometer
Location Chilao Campground (Manzanita Loop), Angeles National Forest, California
Date July 8, 2012
Notes Processing: Combined images in StarTrails v1.1. Curves, levels, sharpen and resize in Photoshop CS4.

Larger versions:
1800 x 1200 (~2.7 MB)