NP321-25 Star Almanac for Land Surveyors

Her Majestys Nautical Almanac Office. Astronomical / Surveying Publication. The Star Almanac for Land Surveyors for the year 2025. This almanac gives positions of the Sun,Polaris and selected bright stars, accurate to about 1 arcsecond, which may be used to determine a geographical position or direction to true north using astronomical observations. A pdf version of the almanac and files of coefficients in ASCII format, representing the positions of the Sun and stars, are included on the accompanying CD-Rom.