Nautical Almanac


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Nautical Almanac:

see ephemerisephemeris
(pl., ephemerides), table listing the position of one or more celestial bodies for each day of the year. The French publication Connaissance de Temps is the oldest of the national astronomical ephemerides, founded in 1679.
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nautical almanac

[′nȯd·ə·kəl ′ȯl·mə‚nak]
(navigation)
A book published annually by the governments of the principal maritime nations which contains the astronomical data required for navigation by observations of celestial objects; an abridged version is known as the abridged nautical almanac.
References in periodicals archive ?
Latitudes were computed from the formulae in Peek (1958) and the data in the Nautical Almanac (1992).
The B-V color index for 1993 was 0.99[+ or -]0.04 which is a little lower than previous measurements (Nautical Almanac 1992; Harris 1961); this discrepancy may be due to the changing tilt of Saturn's rings.
(3) American Nautical Almanac, published annually by the U.S.
The Astronomical Almanac for the Year 2001, Nautical Almanac Office (U.S.
The Astronomical Almanac for the Year 2000, Nautical Almanac Office (U.S.
Some of the RGO's educational activities will continue at the institution's original home in Greenwich (London), while its Nautical Almanac Office will now operate out of the Rutherford Appleton Laboratory.
The Astronomical Almanac, which replaced both the venerable American Ephemeris and Nautical Almanac and the Astronomical Ephemeris in 1981, is a weighty, stern publication largely targeted for professional astronomers.
Throughout his long life Harrison remained very much at odds with influential British astronomers like James Bradley and later Nevil Maskelyne, founder of the Nautical Almanac.
Most had been selected from a list of 57 deemed appropriate for navigation by the Nautical Almanac. Polaris, Dabih (Beta Capricorni), and three others -- Dnoces, Navi, and Regor -- were chosen from another source.
BEGINNING WITH the editions for 1960, the American Ephemeris and Nautical Almanac issued by the U.S.