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Crepuscular Rays

Date:Oct.,1995 Instrument:f=28mm
Place: Calar Alto Observer:S. Kohle, T.Credner

© Copyright by the observers

If the air is hazy and the sun is shining in between of the clouds, you can see impressive crepuscular rays. Bundles of light are peeking through holes in the cloud cover and pointing radially away from the sun. The haze, i.e. dust and water vapour in the atmosphere, is scattering the sunlight and so makes the "path" of the sunlight visible. The above photography was taken in the mountains of the Sierra de los Filabres in southern Spain while frequent rain showers were falling.

See also:
M.G.J. Minnaert: "Light and Color in the Outdoors", Springer-Verlag
R. Greenler: "Rainbows, halos, and glories", Cambridge University Press