Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 127
r.Granted that these arcs can be measured, it is plain thatthe latitude of a place is known as soon as they are known.Latitude by the Meridian Altitude of the Sun or of aStar.—In the figure Z is the observers zenith, P the pole, HH the horizon, PZH theobservers meridian, Q apoint of the celestial… … Fig. 55.The latitude of a place on the earth Hex t chapter.vof a ship at sea) can be determinedby measuring the meridian altitudeof the sun (or of a star). HS. tion of the Sun (or of a star), andNautical Almanac. ZS + QS — QZ — the declination of the observers zenith,or QS is the declina-QS is…
Astronomy
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