Report Upon the Determination of the Astronomical Co-ordinates 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 Meridian, First Lieut. George M. Wheeler, Corps of Engineers, in Charge. Dr. F. Kampf and J. H. Clark, Civilian Astronomical AssistantsU.S. Government Printing Office, 1874 - 82 pages |
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Page 3
... 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 ...
... 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 5
... observations made at Cheyenne , Wyoming Territory , and Colorado Springs , Colorado Territory . As this report contains information of value to officers engaged upon explorations , surveys , and reconnaissances in the western country ...
... observations made at Cheyenne , Wyoming Territory , and Colorado Springs , Colorado Territory . As this report contains information of value to officers engaged upon explorations , surveys , and reconnaissances in the western country ...
Page 6
... observations made during the field - seasons of 1871 , 1872 , and 1873 , at the remaining primary stations , twenty - two in number , will appear in Volume II of the Reports of the Survey , as proposed in the Annual Report of the Chief ...
... observations made during the field - seasons of 1871 , 1872 , and 1873 , at the remaining primary stations , twenty - two in number , will appear in Volume II of the Reports of the Survey , as proposed in the Annual Report of the Chief ...
Page 7
... observation , and observ- ers ; also name of computer or computers . 7. Tabulation of stars used , and number of observations . 8. Instrumental values ; circumstances of telegraphic communication , i . e . , length of circuit , number ...
... observation , and observ- ers ; also name of computer or computers . 7. Tabulation of stars used , and number of observations . 8. Instrumental values ; circumstances of telegraphic communication , i . e . , length of circuit , number ...
Page 11
... three windy nights , the elements presented no obstacle whatever to a continued series of observations . In the early morning it would become cold enough to form ice , making it sufficiently uncomfortable to restrain the ardor.
... three windy nights , the elements presented no obstacle whatever to a continued series of observations . In the early morning it would become cold enough to form ice , making it sufficiently uncomfortable to restrain the ardor.
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Common terms and phrases
12-Year Cat 24h local sidereal 30 late 30m local sidereal 38 Cassiopeiæ 61 Cygni 79 Draconis Aquilæ August bB aA cC Capricorni Ceti Cheyenne chron chronograph chronom circuit Clamp Cloudy all day Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Correction of chronometer Date 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 19h Meridian Microm Micrometer Remarks Micrometer star Name of Star nights Normal Equations Number Half-sum O.II Observations for Latitude.-Station October 14 October 18 Pegasi personal equation probable error REDUCTION Right Ascension Sagittarii 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