The new British Admiralty (UKHO) nautical publication NP No. NP321-22
Her Majesty's Nautical Almanac Office (HMNAO)
Astronomical / Surveying Publication. The Star Almanac for Land Surveyors for the year 2022.
ISBN No: 978-0-70-774-6258
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 CDRom.
Via: Voyager Worldwide