Nautical Almanac - Softcover

The 54th edition of this publication, which provides in a convenient form and a compact volume, the astronomical data needed by surveyors. It includes a CD-ROM which contains the almanac in pdf format and the coefficients representing the Sun and stars in ASCII files. It contains positions of the Sun, 650 bright stars, 10 circumpolar stars, including Polaris and Octantis in a form, which is convenient for land surveyors who use astronomical observations to determine their geographical position or direction to true north.