Abstract

A brief history of the solar observatory at Rocky Point, Long Island, New York, is presented herein. A topical semichronological account of the establishment of this observatory and the design and construction of the equipment follows. The results of the optical design and construction confirm our belief that the presently accepted tolerances (one-quarter wavelength limit, etc.) are too coarse and that all attempts at closer control of figure will be of benefit. A means of preventing mirror distortion due to exposure to the sun is described. The inter-relations between focal curve, emulsion sensitization, and filters are discussed. The excellent seeing conditions existing on Long Island and the observed meteorological situations accompanying the times of good seeing are described.

© 1963 Optical Society of America

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