Abstract
Annular eclipses of the Sun offer a unique opportunity to determine the shape of the section of the Moon presented in silhouette against the circular solar disk. This paper describes the equipment used to observe the annular eclipses of 1962, 1963 and 1965. Photographic techniques only were used at the two earlier eclipses. Both photographic and photoelectric scanning techniques were employed at the 1965 eclipse. The design philosophy and problems of the instruments are discussed and the adopted solutions presented. Finally, suggested improvements are treated, based on the experiences of the three expeditions.
The Editors regret to announce that, while the present volume went through the press, Dr. Stoddard passed away on November 29, 1966, aged 54 years.
Work supported in part by the Air Force Cambridge Research Laboratories under Contracts AF19(628)-4162 and AF19(628)-5714
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References
Stoddard, L. G., Carson, D. G., and Fritzen, J. S.: 1966,’ selenodetic Measurements and Error Analyses of Two Lockheed Annular Expeditions to Africa’, Afcrl-65-532.
Stoddard, L. G.: 1966, ‘Expedition to Thailand for the November 23, 1965 Annular Eclipse’, Afcrl-66-103.
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© 1967 D. Reidel Publishing Company
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Stoddard, L.G. (1967). Selenodetic Equipment for Observations of Three Annular Eclipses. In: Measure of the Moon. Astrophysics and Space Science Library, vol 8. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-3529-3_12
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DOI: https://doi.org/10.1007/978-94-010-3529-3_12
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-3531-6
Online ISBN: 978-94-010-3529-3
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