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Account of some Optical Phenomena observed upon the Rigi, on the 16th October 1832

Published online by Cambridge University Press:  16 March 2015

James D. Forbes Esq.
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Extract

The object of this paper, was to describe an example of a class of phenomena, which is imperfectly understood. The author observed an indistinct mass of reflected light, surrounded by a faint glory, on the surface of a stratum of thick white clouds, 1000 or 1200 feet below him, when descending from the Rigi. The centre of the coloured circle was the point diametrically opposite to the sun, and consequently varied with the position of the observer. As he approached the level of the cloudy ocean, the colours became brighter, and the circle more distinctly formed, and the shadows of the author and his companion were thrown with distinct outlines upon the illuminated surface.

Type
Proceedings 1832–33
Information
Proceedings of the Royal Society of Edinburgh , Volume 1 , 1845 , pp. 10 - 11
Copyright
Copyright © Royal Society of Edinburgh 1844

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