Nautical Almanac 2024 Online. The astronomical almanac, the nautical almanac, the air almanac, astronomical phenomena, and the astronomical almanac online provide astronomical data, mainly in tabular form, for use. The free online nautical almanac the world's most complete source of free celestial navigation information
The nautical almanac contains the following data tabulated at hourly intervals to a precision of 0.1 arcminute: 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.
