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Astronomical/Surveying Publication The Star Alamanac for Land Suerveryors for the Year - 2018-2020 Editions

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Edition 2020
SKU NP321-20
Publisher United Kingdom Hydrographic Office
UPC 852686954562

Astronomical/Surveying Publication The Star Alamanac for Land Suerveryors for the Year - 2018-2020 Editions

The Star Almanac contains positions of the major and selected bright stars in a tabular format for easy identification. It is ideal for land surveyors who use astronomical observations to determine their geographical position or the direction to true north.

This edition includes:

A CD containing the almanac in PDF format and the coefficients representing the positions of the Sun and stars in ASCII files

  • Coefficients for calculating the Greenwich hour angle and declination of all the stars published in The Star Almanac, accurate to about 1 arcsecond   
  • Polynomial coefficients for calculating R (GHA Aries - UT), declination, E and semi-diameter of the Sun are also included

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