Nautical Almanac 2024. The cornerstone for all celestial navigation, listing the celestial bodies used for navigation, a sight reduction table, and other information valuable to the offshore navigator. The nautical almanac is a subset of the astronomical almanac that contains the data needed for celestial navigation.it was first as part of the american ephemeris and nautical.
For over 150 years the united states nautical almanac office has published the nautical. The nautical almanac lists the positions of the sun, moon, stars, and planets that are used for navigation and is the cornerstone for all sight reduction.