Navigation and Nautical Astronomy (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1868 Excerpt: ...the observed meridian altitude of aHydrae was 540 30' 20"( bearing S), theindex correction was--2' 10," and the height of the eye was 18 ft. Required the latitude. Latitude 270 30' 41" N. Ex. 198. June 15th, 1870, the observed meridian altitude of tj Argus under the South Pole was 470 50' 30," the index correction was + 3' 20," and the height of the eye above the sea was 20 ft. Required the latitude. Latitude 780 4.8' 12" S. Ex. 199. May 6th, 1870, in longitude 700 30' E, the observed meridian altitude of the sun's lower limb was 560 io' 20" (zenith N of the sun), the index correction was--2' 20," and the height of the eye above the sea was 22 ft. Required the latitude. Latitude 500 11' 20" N. Ex. 200. October 2nd, 1870, the observed meridian altitude of /3 Centauri under the South Pole was 340 30' 20," the index correction was + i' 20," and the height of the eye above the sea was 20 ft. Required the latitude. Latitude 640 41' 7" S. Ex. 201. June 17th, 1870, the observed meridian altitude of a Serpentis was 290 50' 40" (zenith South of the star), the index correction was+ 4' 20," and the height of the eye above the sea was 24 ft. Required the latitude. Latitude 530 21' 14" S. Ex.202. January I4th, i870, in longitude 320 17' W, the observed meridian altitude of the sun's lower limb was 430 27' 30" (ZN), index error--1' 20," height of the eye 18 ft. Required the latitude. Latitude 250 6' 15" N. Ex. 203. September 23rd, 1870, in longitude 40 30' W, the observed meridian altitude of the sun's lower limb was 66 18' 10" (ZN), index error 4-25," height of the eye 17 ft. Required the latitude. Latitude 230 21'37" N. Ex. 204. October 1st, 1870, in longitude 840 40' E...