This is an 11 hour startrail taken at Sounio. It is a part of the 24 hour shot project.
Canon EOS 550D, 30/12/2010 19:13 - 31/12/2010 06:11, Shutter Speed 90 sec x 435 shots, Aperture Value 5.6, ISO 400, Lens Canon EF 15mm f/2.8, Focal Length 15.0 mm