See variation of the moon.
·noun An irregularity, or a deviation, in the motion of a planet or satellite from its uniform mean ...
Webster's Dictionary of the English Language
·noun A lunar distance. II. Lunar ·adj Resembling the moon; orbed. III. Lunar ·adj Of or pertainin...
The brief epithet for the method of finding the longitude by the moon and sun or moon and stars. (Se...
The Sailor's Word-Book
A small irregularity in the motions of planets, which becomes important only after a long lapse of y...
See inequality, secular. ...
The interval between a departure and return of the moon to the meridian. ...
An important element in finding the longitude at sea, by what is termed nautical astronomy. It is ef...
The method of observing the apparent distances between given celestial objects, and then clearing th...
The tabulated logarithmic aid for correcting the apparent distance, and facilitating the reduction o...
Reducing the observations of the sun and moon, or moon and stars, in order to find the longitude. Al...
The longitude calculated by observing the moon's angular distance from the sun or a fixed star. It i...