In nautical astronomy, denotes the taking the sun, moon, or stars' altitude with a quadrant or sextant, in order thereby to find the latitude or time; also, the lunar distances.
·noun The information so acquired. II. Observation ·noun Performance of what is prescribed; adheren...
Webster's Dictionary of the English Language
·add. ·- A railway passenger car made so as to facilitate seeing the scenery en route; a car open, o...
Taking the differences of right ascension and declination between a comet and a star, the position o...
The Sailor's Word-Book
The latitude determined by observations of the sun, star, or moon, by meridional, as also by double ...
Reducing the altitudes or distances of heavenly bodies by calculation. ...
The longitude calculated by observing the moon's angular distance from the sun or a fixed star. It i...