position angle

British  

noun

1. the direction in which one object lies relative to another on the celestial sphere, measured in degrees from north in an easterly direction

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Example Sentences

Their slow motion in position angle, however, was not all that could be desired.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

With similar bevel-gear and rods the tangent screw is connected to the hand-wheel, 79, by which the observer communicates the fourth or slowest motion in position angle.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

The orbital swing is also very apparent in the change of the position angle.

From Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers by Serviss, Garrett Putman

The circles for position angle and declination are read by micrometer-microscopes illuminated by the lamp L; the scales are illuminated by the lamp l.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

Great care has been taken in determining the position, angle, and heights of the prominences in all cases.

From Autobiography of Sir George Biddell Airy by Airy, George Biddell