[Coffin, John Huntington Crane], 1815-1890. [from old catalog] · New York, D. Van Nostrand · leaf 123
, is regarding declination, like the latitude, as positivewhen N., negative when S. To avoid, however, the double sign in the investigationof the formulas of Nautical Astronomy, we shall in mostcases consider the declination, which is of the same name asthe latitude, asfjositive, and that which is… … ALTITUDE AND AZIMUTH. 117 ALTITUDE AND AZIMUTH, 121. Problem 38. To find the altitude and azimuth of aheavenly body at a given place and time. Solution. Find the decimation of the body and its hour-angle at the given time. (Probs. 21, 34, and 35.) Then in the spherical triangle PMZ (Fig- 24), we…
Navigation · Nautical astronomy
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