Star trails above Guerneville in western Sonoma County on a clear and warm July night. Polaris to the left, the Milky Way on the right.
The photo is a composition of 5 frames, each 300 seconds long. Here is an example of on of the frames (the Milky Way is much clearer in the single shot).
Posted: July 4, 2011 / Taken: July 3, 2011
Focal Length: 11mm / Shutter Speed: 300 seconds / Aperature: f/3.5 / ISO: 100