Curtain of Crepuscular Rays at Dawn

by Joseph Brimacombe
Taken from Coral Towers Observatory at 0710 local time using a Canon 5D Mk II and 600 mm lens.
http://www.flickr.com/photos/43846774@N02/9115154567/in/pool-universetoday/

The word crepuscular means “relating to twilight,” and these rays occur when objects such as mountain peaks or clouds partially shadow the Sun’s rays, usually when the Sun is low on the horizon. These rays are visible only when the atmosphere contains enough haze or dust particles so that sunlight in unshadowed areas can be scattered toward the observer.

Read more: http://www.universetoday.com/103164/astrophoto-curtain-of-crepuscular-rays-at-dawn/