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Two sample pages of the 2002 Nautical Almanac published by the U.S. Naval Observatory. A nautical almanac is a publication describing the positions of a selection of celestial bodies for the purpose of enabling navigators to use celestial navigation to determine the position of their ship while at sea.
Two sample pages of the 2002 Nautical Almanac. The Nautical Almanac has been the familiar name for a series of official British almanacs published under various titles since the first issue of The Nautical Almanac and Astronomical Ephemeris, for 1767: [1] this was the first nautical almanac to contain data dedicated to the convenient determination of longitude at sea.
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Consequently, noon at the Prime Meridian is rarely if ever exactly at 12:00 UTC, but rather it occurs some minutes and seconds before or after that time each day. This slight daily variation has been calculated and is listed for each day of the year in the Nautical almanac [4] under the title of Equation of time. This variation must be added to ...
Astronomical Almanac (specific title); Astronomical Ephemeris (generic article); Almanac (generic article); Nautical almanac (generic article); The Nautical Almanac (familiar name for a specific series of (official British) publications which appeared under a variety of different full titles for the period 1767 to 1959, as well as being a specific official title (jointly UK/US-published) for ...
The most popular navigational text of the late 18th century was The Practical Navigator by John Hamilton Moore of the Royal Navy, first published in 1772.To have exact tables to work from, Bowditch recomputed all of Moore's tables, and rearranged and expanded the work.
Newcomb's Tables of the Sun (full title Tables of the Motion of the Earth on its Axis and Around the Sun) [a] is a work by the American astronomer and mathematician Simon Newcomb, published in volume VI of the serial publication Astronomical Papers Prepared for the Use of the American Ephemeris and Nautical Almanac. [1]
[1] [2] His textbook "Navigation and Nautical Almanac" was used for over thirty years in instruction at the Naval Academy. [1] Coffin served as the superintendent of the American Ephemeris and Nautical Almanac starting on May 1, 1866. In 1867, he moved from Cambridge, Massachusetts, to Washington, D.C., when the almanac moved its place of ...