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 195
to the Observed Distanott Bons Oba. Alt .49° 17 Moons Obs. Alt, L. L..41 32 Obs. Distance of Sun and Moon 87* 42 20 12^ 12 Suns Semid.1548 Ds Aug. Semi 16 21.Sum 81 9 Buns App. Alt. .49 29 Moons App. Alt ... AVii Apparent Central Distance 88 13 29 June 8d, 1854. At 2h 68m P. M, Latitude in 30… … In this Figure th* Sun in on the Prime Vertical, to the Westward of the Meridian, and his Hour Anglemeasured on the Equator gives the Apparent Time of the Ob.servation, 2h 58m P. M. The Moon havingnearly the same Hour Angle to the Eastward of the Meridian, appears to a spectator situated at a…
Navigation · Nautical astronomy
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