NP321 - ADMIRALTY: The Star Almanac for Land Surveyors (2020)

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