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Luni-Solar and Horary Tables, With Their Application in Nautical Astronomy
No preview available - 2022
according added angle of meeting Angular Distance answering arch calculation centre chronometer circle clearing the Angular Co-sec Co-sine Co-tang column compass Construction correction daily Degrees Diff Difference of Latitude Dist Dep Dist Lat Earth East effect of Refraction elapsed Equator error EXAMPLE feet figure find the true given gives heavenly bodies height horizon Horizontal Parallax Latitude and Departure less LOGARITHMIC SINES Longitude lower limb Lunar LUNI-SOLAR TABLE Magnetic Mean Meridian Meridian Altitude Meridian of Greenwich method mh mh mh miles minutes Moon Moon's Apparent Altitude Natural Nautical Almanac noon North object observation opposite passing place of observation problem reduced Refraction and Parallax Right Ascension rising sailed Secant seconds Semi-diameter setting ship South Stars subtracted Sun's declination Suppose surface taken Tang TANGENTS true Altitude tude variation West Zenith distance
Page 33 - Difference of Latitude and Departure for 26 Degrees. Dist Lat. Dep. Dist Lat. Dep. Dist Lat. Dep. Dist Lat. Dep. Dist Lat. Dep. 1 3 3 4 5 0 7 8 9 10 00.9 01.8 02.7 03.
Page 3 - Difference of Latitude and Departure, for 3 Points. Dist Lat. Dep. Dist Lat. Dep. Dist Lat. Dep. Dist Lat. Dep. Dist Lat. Dep. i 00.8 00.6 61 50.7 33-9 121 100. 6 67.2 181 150.5 100. 6 241 200.4 133-9 2 O1...
Page 2 - Difference of Latitude and Departure for 2^ Points. Dist Lat. Dep. Dist Lat. Dep. Dist Lat Dep. Dist Lat. Dep. Dist Lat. Dep 1 a s 4 1 6 7 8 g 10 00.9 01.8 02.6 03.5 04.4 05.
Page 27 - Dist Dep. Lat. Dist. Dep. Lat. Dist. Dep. Lat. Dist. Dep. Lat, Dist, Dep. Lat, Difference of Latitude and Departure for 19 Degrees.
Page 51 - For Reducing the Sun's Declination to any given Meridian, and to any time under that Meridian.
Page 35 - ... determination ; particularly during the winter months, when the sun is so very frequently obscured by clouds at the time of its coming to the meridian. These Tables were computed by the following rule; viz., To the constant log. 0. 978604,* add the log. co-sines of the latitude and the declination ; the sum, rejecting 20 from the index, will be the log. of a natural number, which, being subtracted from the natural co-sine of the difference between the latitude and the declination, when they are...
Page 27 - Lat, [For 71 Degrees. 36 TABLE II. Difference of Latitude and Departure for 20 Degrees. Dist Lat Dep Dist Lat. Dep. Dist Lat Dep. Dist I Lat.