 | George Adams - Astronomy - 1812 - 586 pages
...be reduced by the rules given p. 474, to the meridian of observation. Nov. 6, 1792, Long. 158° W. the meridian altitude of the sun's lower limb was observed to be 87° 37' N. required the latitude ? Observed altitude - - - 87° 37' N. Sun's semidiameter - l6 Altitude... | |
 | George Adams - Astronomy - 1812 - 552 pages
...be reduced by the rules given p. 474, to the meridian of observation. Nov. 6', 1792, Long. 158° W. the meridian altitude of the sun's lower limb was -observed to be 87° 37' N. required the latitude ? Observed altitude 87° 37' N. Sun's semidiameter - 16 Altitude... | |
 | George Adams - Geometry - 1813 - 648 pages
...EXAMPLE* FOR FINDING THE LATITUDE BY MERIDIONAL OBSERVATION.* Example 1. Being at sea, July 2Q, 1779» the meridian altitude of the sun's lower limb was observed to be 34° 10' N. the eye of the observer being 25 feet above the sea. The latitude of the place is required.... | |
 | John William Norie - Nautical astronomy - 1836 - 510 pages
...33 22 N. Corr.forlong.30°W.(Tab.XXI.) + 0 49 EXAMPLE VI . November 21, 1835, in longitude 165° E., the meridian altitude of the sun's lower limb was observed to be 47° 36' 45" S., the height of the eye being 18 feet: required the latitude. о / о Sun's declin,... | |
 | Alexander Baharie - 1844 - 218 pages
...to Buchan Ness S. 22. deg. 18 min W., or nearly SSW ; distance 693-9 miles. 16. January 7th, 1845, the meridian altitude of the sun's lower limb was observed to be 12 deg. 28 min. 30 sec., (observer N. of the sun) and the height of the eye above the sea was 16 feet,... | |
 | John William Norie - Nautical astronomy - 1852 - 844 pages
...21 37 5 N. Corr.forlong.30'W.(Tab.XXI.) + 0 49 EXAMPLE VI. November 21, 1854, in longitude 165' &, the meridian altitude of the sun's lower limb was observed to be 47° 36 46'' S., the height of the eye being 18 feet : required the latitude. o / t Sun's deelin. from... | |
 | Horatio Nelson Robinson - Navigation - 1858 - 356 pages
...can therefore observe our zenith distance from any celestial object, and then apply its declination, and we shall have our zenith distance from the equator,...7° 25' 8" south, semi-diameter 16' 9", index error -f-2' 12", height of the eye 17 feet. What was the latitude ? Ans. 50° 38' north. * To obtain the... | |
 | Horatio Nelson Robinson - Navigation - 1878 - 564 pages
...on different sides of the equator, from the zenith distance subtract the suu's declination to obtain the latitude. EXAMPLES. 1. On a certain day, the meridian*...12", height of the eye 17 feet. What was the latitude 2 Ans. 50° 38' north. * To obtain the meridian altitude of the sun, the observer commences observations... | |
 | William Carpenter Pendleton Muir - Nautical astronomy - 1918 - 840 pages
...49", the bearing of the sun's center by standard compass was 125°, var. 16° 40' W. At LAN, April 26, the meridian altitude of the sun's lower limb was observed to be 63° 58' 15", IC and height of eye as before. (1) Find the DR position at time of am sight. (2) Work... | |
 | B. C. Punmia - Photogrammetry - 2005 - 304 pages
...17". 06 N. Example 1.57. An observation for altitude was made at a place in longitude 75° 20'1 5" W. The meridian altitude of the sun's lower limb was observed to be 44° 12' 30", the sun being to the south of the zenith. Sun's declination at GAN on the day of observation... | |
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... the latitude. EXAMPLES. 1. On a certain day, the meridian* altitude of the sun's lower limb was observed to be 31° 44', bearing south. At that time its declination was 7° 25' 8" south, semi-diameter 16' 9", index error +2' 12", height of the eye... 