NP321-13 The Star Almanac

NP321-13 The Star Almanac

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NP321-13 The Star Almanac

NP321-13 The Star Almanac

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Product Overview

Product No:
United Kingdom Hydrographic Office
Edition Date:
June 2012
148 x 210 x 6 mm
316 g
Paperback + CD-ROM
Sales Rank:
3821 (See Top 100 in Books)

Product Description

This almanac contains positions of the Sun, Polaris and selected bright stars in a form which is convenient for land surveyors who use astronomical observations to determine their geographical position or direction to true north. This edition includes a CD-ROM which contains the almanac in pdf format and the coefficients representing the positions of the Sun and stars in ASCII files.

ASCII data files are available on the CD-ROM which contain coefficients for calculating the Greenwich hour angle and declination of all the stars published in The Star Almanac, accurate to about 1 arcsecond. The polynomial coefficients for calculating R (GHA Aries - UT), declination, E and semi-diameter of the Sun published on page 75 of the Almanac are also included.

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