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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Page 3
... latitude observations Mean places of stars used for determination of latitude Observations for latitude Computations for latitude Resulting astronomical co - ordinates Colorado Springs station , Colorado Territory Geographical position of ...
... latitude observations Mean places of stars used for determination of latitude Observations for latitude Computations for latitude Resulting astronomical co - ordinates Colorado Springs station , Colorado Territory Geographical position of ...
Page 7
... Latitude by Zenith Telescope , ( Talcott's method . ) 1. Geographical position of station . 2. Physical - geography ... observations . 8. Instrumental values ; circumstances of telegraphic communication , i . e . , length of circuit ...
... Latitude by Zenith Telescope , ( Talcott's method . ) 1. Geographical position of station . 2. Physical - geography ... observations . 8. Instrumental values ; circumstances of telegraphic communication , i . e . , length of circuit ...
Page 11
... station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longi- tude 28m 19.44 east of the ... observations . In the early morning it would become cold enough to form ice , making it sufficiently uncomfortable to ...
... station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longi- tude 28m 19.44 east of the ... observations . In the early morning it would become cold enough to form ice , making it sufficiently uncomfortable to ...
Page 14
... observing at 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 ...
... observing at 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 ...
Page 30
... station at Cheyenne is 28m 195.437 ; which difference , how- ever , is still subject to correction for personal equation ; and if any weight is to be given to what is indicated as this equation between Mr ... LATITUDE OBSERVATIONS . Mean 30.
... station at Cheyenne is 28m 195.437 ; which difference , how- ever , is still subject to correction for personal equation ; and if any weight is to be given to what is indicated as this equation between Mr ... LATITUDE OBSERVATIONS . Mean 30.
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Common terms and phrases
12-Year Cat 21h local sidereal 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 Herculis instrument July 28 July 30 Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations longitude Mean at 24h Mean for 17h Micrometer star Name of Star nights Normal Equations Number Half-sum O.II Observations for Latitude.-Station October 14 October 19 Pegasi personal equation Piscium probable error REDUCTION Remarks Right Ascension Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron ß Lyræ 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