The method of observing the apparent distances between given celestial objects, and then clearing the angles from the effects of parallax and refraction.
·noun A lunar distance. II. Lunar ·adj Resembling the moon; orbed. III. Lunar ·adj Of or pertainin...
Webster's Dictionary of the English Language
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
There have been occasional slight records of celestial phenomena from the remotest times, but the mo...
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...
See variation of the moon. ...
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 process of calculation, by which observations are rendered subservient to utility. ...
The longitude calculated by observing the moon's angular distance from the sun or a fixed star. It i...