Artificial Spectre in Brocken Mountains
December 30, 2004
Provided by: Claudia Hinz, AKM e.V.
Summary authors & editors: Claudia Hinz; Jim Foster
The interesting photo above showing an artificial Brocken Spectre, replete with a fogbow, was taken April 14, 2003 in the Brocken Mountains in central Germany. A helium lamp, positioned behind the photographer, was used to illuminate this very thick fog layer -- the visibilty was less than about 5 m (about 15 ft). Deflection of the lamp light by the tiny fog droplets created this fascinating image. The great size of the Brocken Spectre results from the shadow not lying in one plane but rather extending over a depth of several m. Compare this photo with yesterday's Earth Science Picture of the Day.
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