American Nautical Almanac

The American Nautical Almanac is a yearly publication that provides vital astronomical data for navigation at sea. It includes information on the positions of celestial bodies, such as the sun, moon, and planets, which sailors use to determine their location and course. This almanac helps navigators calculate the angles between these bodies and the horizon, enabling accurate navigation using traditional methods. It is essential for both professional mariners and enthusiasts, supporting safe and effective maritime travel by providing reliable data needed for celestial navigation.