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 |
From inside the book
Page 5
... direction , Minor features of the methods are still to be perfected ; yet the errors of star- places , from observation , and those known as instrumental , have now become reduced to such small and nearly equable values , that it seems ...
... direction , Minor features of the methods are still to be perfected ; yet the errors of star- places , from observation , and those known as instrumental , have now become reduced to such small and nearly equable values , that it seems ...
Page 12
... direction of the wind , and the estimated force , from 7 a . m . to 7 p . m . and from 7 p . m . to 7 a . m . The weather was clear all the time . Such an atmosphere , at an elevation of 6,000 feet , could not be otherwise than favor ...
... direction of the wind , and the estimated force , from 7 a . m . to 7 p . m . and from 7 p . m . to 7 a . m . The weather was clear all the time . Such an atmosphere , at an elevation of 6,000 feet , could not be otherwise than favor ...
Page 14
... direction , but failed from causes beyond my control . Mr. Austin did the 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 ...
... direction , but failed from causes beyond my control . Mr. Austin did the 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 ...
Page 50
... direction of the wind at 7 a . m . , 2 p . m . , and 9 p . m . , giving the mean or prevailing direction of the wind for three hours before and three hours after the given time ; also the estimated force of wind for the same time . The ...
... direction of the wind at 7 a . m . , 2 p . m . , and 9 p . m . , giving the mean or prevailing direction of the wind for three hours before and three hours after the given time ; also the estimated force of wind for the same time . The ...
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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