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 192
he latter has, however, very little effect, in consequence of their greatdistance. (See explanation given at page 67.) On the other hand, the Moon being near the Earth, herParallax in Altitude is greater than her Refraction, and which causes her to appear below her true placein the heavens. Hence… … A» the Moon must always be raised, and the Sun or Star lowered, to obtain their true places, the Star tothe right in the above Figure being higher than the Moon, it is evident that by raising her the True Tft4-tance will be less than the Apparent Distance. Again, the Star to the left being lower…
Navigation · Nautical astronomy
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