Posts Tagged ‘farm buildings’

Good Morning Wisconsin!

May 7, 2013
Crepus

Crepusculur rays originating from clouds below the horizon.

The above image is an unusual example  of crepuscular rays. The name comes from their typical appearance during crepuscular hours (those around dawn and dusk), when the contrasts between light and dark are the most obvious. Crepuscular comes from the Latin word crepusculum meaning twilight.

A key component for crepuscular rays is the casting of a shadow. The shadow can be due to most anything, typically clouds. The result is sunlight broken into darkened areas (in the shadow) and lighted areas. The above image was attained prior to sunrise with the crepuscular rays caused by clouds below the horizon.

The visible beams always appear to spread out from the light source. In the above image the rays appear to diverge  from the base of the silo.  When I noticed the crepuscular rays forming, I changed my position allowing the rays to appear to be related to the farm buildings.

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