If you look closely at the sky, after the sun sets, sometimes you can see the scattering of light into its specific colors of the rainbow by atmospheric particles. This was one of those evenings!
December 2, 2010
50 mm - f/1.8 II - Canon EF
RAW / Tripod / Aperture Priority / -1/3 EC / 50 mm
F 22 @ 8 sec ISO 100