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2019 The Nautical Almanac: Her Majesty's Nautical Almanac Office

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Media Book
Edition 2019
SKU NP314-19
Publisher United Kingdom Hydrographic Office

2019 The Nautical Almanac: Her Majesty's Nautical Almanac Office

The Nautical Almanac contains astronomical information to support bridge crews in routine and emergency celestial navigation, as well as the calculation of daylight hours and mandatory gyro checks. It is carried on every ship within the Royal Navy and is at the core of celestial navigational training courses worldwide.


The Nautical Almanac includes:

  • Tabulations of the Sun, Moon, navigational planets and stars to help determine positions at sea when using a sextant
  • Times of sunrise, sunset, twilights, moonrise and moonset, phases of the Moon and eclipses of the Sun and Moon to help bridge crews plan observations

  • Interpolation and altitude correction tables, pole star tables and diagrams, and notes for the identification of stars and planets

  • Information on standard times for countries around the worldA concise set of sight reduction tables and sight reduction forms

Essential astronomical information for every kind of sea-going vessel, from cruise liners to fishing boats, this comprehensive almanac contains a set of concise sight reduction tables for the navigator, together with all the necessary information needed for use in determining the position at sea from sextant observations. This book has been jointly prepared by HM Nautical Almanac Office and the Nautical Almanac Office at the United States Naval Observatory, to meet the requirements of the Royal Navy and the US Navy.


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