[Coffin, John Huntington Crane], 1815-1890. [from old catalog] · New York, D. Van Nostrand · leaf 219
several direct trigonometric solutions.It is easily remembered, involving only cosines in the secondmembers. But in all such methods 7-place logarithms arerequired for the computations. 212. If the moons augmented parallax has been used, thedistance obtained, D\ is not the truedistance as seen from… … AD=Att sin L sm sin 6„ (159) Vsin D tanDVin which S8 is the suns declination,dro, the moons declination,7T, the moons equatorial horizontal parallax, whose mean value is 51 30,A, a coefficient depending on the eccentricity of the terres- * Chauvenets Astronomy, Vol. I., p. 399. LONGITUDE.—LUNAR…
Navigation · Nautical astronomy
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