Report Upon the Determination of the Astronomical Coordinates of the Primary Stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, Made During the Years 1872 and 1873, Geographical and Geological Explorations and Surveys West of the One Hundredth MeridianU.S. Government Printing Office, 1874 - 82 pages |
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Results 1-5 of 14
Page 3
... observatory • Description of instruments used Points of connection . . Tabulation of stars used for time Corrections and rates of chronometers Signals for determination of longitude between Salt Lake City and Colorado Springs Final ...
... observatory • Description of instruments used Points of connection . . Tabulation of stars used for time Corrections and rates of chronometers Signals for determination of longitude between Salt Lake City and Colorado Springs Final ...
Page 11
... observatory at Salt Lake , is situated in the western part of the town , in lot 11 , block 413 , and is northwest from the junction of the branch- road leading to the depot of Fort D. A. Russell with the main stem of the Union Pacific ...
... observatory at Salt Lake , is situated in the western part of the town , in lot 11 , block 413 , and is northwest from the junction of the branch- road leading to the depot of Fort D. A. Russell with the main stem of the Union Pacific ...
Page 13
... observatory was west of the telegraph - office , and the main connection was effected by a loop into one of the main overland wires and put in communication with Salt Lake by a switch at Ogden . The local connections , including the ...
... observatory was west of the telegraph - office , and the main connection was effected by a loop into one of the main overland wires and put in communication with Salt Lake by a switch at Ogden . The local connections , including the ...
Page 14
... Salt Lake , while the observations at Cheyenne were made by myself , and also the longitude reductions for both stations . Prof. W. A. Rogers , of Harvard College Observatory , computed the latitude - observations , and they were ...
... Salt Lake , while the observations at Cheyenne were made by myself , and also the longitude reductions for both stations . Prof. W. A. Rogers , of Harvard College Observatory , computed the latitude - observations , and they were ...
Page 15
... Salt Lake and Cheyenne , counting the distance along the railroad , is some 550 miles , and does not include any battery or repeating - office . At Cheyenne there was a repeating - office ; but as the observatory , as elsewhere stated ...
... Salt Lake and Cheyenne , counting the distance along the railroad , is some 550 miles , and does not include any battery or repeating - office . At Cheyenne there was a repeating - office ; but as the observatory , as elsewhere stated ...
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Common terms and phrases
¹ Lyræ 12-Year Cat 24h local sidereal 30 late 30m local sidereal 50 Draconis 61 Cygni 9 Draconis Aquarii August bB aA cC Capricorni Cassiopeiæ Ceti Cheyenne chron chronograph chronom circuit Clamp Cloudy all day Colo Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Correction of chronometer Delphini eter final result Groom Groombridge 3241 Groombridge 4163 Half-sum of dec instrument July 28 July 30 Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations longitude Mean at 24h Mean for 19h Meridian Micrometer Name of Star nights Normal Equations Number Half-sum O.II Observations for Latitude.-Station October 14 October 18 pairs of stars Pegasi personal equation probable error REDUCTION Right Ascension Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron SURVEYS WEST TABLES OF TIME-REDUCTIONS Tabulation of Stars TIME-REDUCTIONS AT RECEIVING-STATION-Continued UNIFORM TABLES Ursa Minoris UTAH TERRITORY wires Wyoming Territory ΔΤ ΙΟ Ο.ΟΙ