Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 82
other of less than gTnnfTnitu °f !• LATITUDE. 61 In the figure PH measures the latitude of the observer,because PH is the north-polar-distance of the north-pointof his horizon. Z is his zenith, EZ is the declination ofhis zenith (it is the angular distance of Z from the celestialequator). Now the… … Fig, 35. The latitude of an observer is measured by the declination of his Zenith. — In Fig. 12 the latitude of the observer is measured either by(NP) H or by QZ. In Fig. 16 the latitude of the observer is measured either by theangle PON or by the angle COZ (or by the arcs PN and CZ). In Fig. 36…
Astronomy
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