Abstract

Ulloa’s complete print of the glories and fogbows on Mt. Pambamarca in Peru (now Ecuador) is presented. It shows two other phenomena, an erupting volcano and an as yet unidentified optical effect. The glories and fogbow are analyzed to obtain the drop size of the fog, and the unidentified features are discussed.

© 1991 Optical Society of America

Rainbows and fogbows

David K. Lynch and Ptolemy Schwartz
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