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Erschienen in:
2024 | OriginalPaper | Buchkapitel
7. Rising and Setting of Heavenly Bodies
verfasst von : Alexander Arnfinn Olsen
Erschienen in: Introduction to Celestial Navigation
Verlag: Springer Nature Switzerland
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Abstract
A thorough understanding of the rising and setting of heavenly bodies is essential for ship’s navigators. This is not only in order to plan the time at which star sights may be taken, but more importantly, for planning operations which require total darkness, twilight or moonlight. Today, a number of sources of this information are available, but it remains essential that specialist navigators understand the theory and are able to complete the calculations manually.