Tables for Facilitating the Calculations of Nautical Astronomy,: And Particularly of the Latitude of a Ship at Sea from Two Altitudes of the Sun, and that of the Longitude from the Distances of the Moon from the Sun Or a Star; Containing the Natural Versed-sines to Every 10 Seconds, and the Logarithmic-sines, Double-sines, Versed-sines, &c. to Every Minute from 0 to 180 Degrees; and Several Other Tables, Useful in Astronomy and Navigation
Printed, at the Oriental Press, by Wilson & Company Wild Court, for R. Faulder, New Bond-Street., 1801 - Nautical astronomy - 383 pages
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11 Hours 9 Hours according added Alti amplitude apparent altitude applied argument calculation circle cofec column computed contained correction Cosine Double-cosine Secant Cotangent Tangent D.100 declination Degrees Diff difference dift diſtance Double-sine Cosecant Cosine Double-sine Cosecant D.100 error Example fame Name feet femidiameter figns figures fine firft firſt fubtracted fun's fuppofed give given greater Greenwich horary angle horizontal parallax interval latitude leffer logarithmic longitude lower limb marked means minutes Moon muſt Nautical Almanac noon obferved altitude preceding Problem Proportional reduced refraction right afcenfion rules Second Second First Second ſhip Sine Double-sine Cosecant Sun's declination taken Tangent Cotangent true altitude tude uſed Variation verfed-fine Versed-sine D.100 watch weft бо
Page xi - Investigations relative to the Problem for clearing the apparent Distance of the Moon from the Sun or a Star, from the Effects of ^ Parallax and Refraction, and an easy and concise Method pointed out.
Page 27 - Add the sun's declination to the elevation of the equator, if the latitude of the place, and the declination of the sun, are both on the same side.
Page 36 - The interval between that reduced time and the given day will give the correction which is to be applied * to the time of high water at full and change of the...