Astronomy and astrophotography under California stars
Circumpolar Star Trails
Mojave National Preserve
Circumpolar Star Trails from the Mojave National Preserve with a Canon EOS 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 180 minutes (90 x 2 minutes) at ISO 800
Calibration 0 darks | 0 flats | 0 bias
Air Temperature 50°F
Accessories Satechi TR-A Intervalometer
Location Mojave National Preserve (off Kelbaker Road), California
Date October 23, 2011
Notes Processing: Combined images in StarTrails v1.1. Curves, levels, sharpen and resize in Photoshop CS4.

Larger versions:
1800 x 1200 (~2.1 MB)
2800 x 1867 (~4.2 MB)