A new treatise on the practice of navigation at sea : containing all the details necessary to enable the mariner to become a good practical navigator. (1902)
Thoms, William · New York : Printed for the author and sold by John Bliss & Co · leaf 120
Altitude is 90, he is in the Zenith, and the correct Lcclination for tkday is th« Latitude of the same name as the Declination. When the Declination is 0° 0, the Zenith Distance is the ISatitude of a contrary name to the Beariiig ofthe Sun when on the Meridian. When the Zenith Distance and… … aH thig Figure, the Sun appears in the Zenith, and his Declination at the same time being 23° 28 N.from the Equator, is the Latitude of that name, and which is equal to the elevation of the Pole above theHorizon. Now suppose the Sun to be on the Equator, then his Zenith Distance would be 23° 28 N.,…
Navigation · Nautical astronomy
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