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 45
... changed when the observations made last October at Detroit and Ogden by the United States Lake Survey and your expedition respectively are computed . In such an event , of course the longitude of Cheyenne will be correspondingly ...
... changed when the observations made last October at Detroit and Ogden by the United States Lake Survey and your expedition respectively are computed . In such an event , of course the longitude of Cheyenne will be correspondingly ...
Page 50
... changed very rapidly , while the lower strata remained under the same conditions . The following table shows the general direction of the wind at 7 a . m . , 2 p . m . , and 9 p . m . , giving the mean or prevailing direction of the ...
... changed very rapidly , while the lower strata remained under the same conditions . The following table shows the general direction of the wind at 7 a . m . , 2 p . m . , and 9 p . m . , giving the mean or prevailing direction of the ...
Page 71
... Changed length 6365 4 53.2 11.9 29.4 Very faint . of bubble . 7621 II 6.9 19.5 14.0 6391 8 95.0 23.0 19.3 7641 9 96.0 9.7 24.6 6468 II 94.6 21.0 21.8 7683 13 5.3 18.0 16.0 6475 8 8.1 17.0 26.0 7733 8 2.8 15.5 18.5 6520 14 39.0 24.4 18.7 ...
... Changed length 6365 4 53.2 11.9 29.4 Very faint . of bubble . 7621 II 6.9 19.5 14.0 6391 8 95.0 23.0 19.3 7641 9 96.0 9.7 24.6 6468 II 94.6 21.0 21.8 7683 13 5.3 18.0 16.0 6475 8 8.1 17.0 26.0 7733 8 2.8 15.5 18.5 6520 14 39.0 24.4 18.7 ...
Page 72
... Changed the 6652 6 41.2 15.0 21.0 7641 9 10.0 5.0 35.3 inclination . 6681 14 59.7 21.6 15.0 7683 12 44.7 22.7 18.0 6698 3 41.8 20.2 16.0 7733 7 26.9 23.0 18.0 6720 14 87.3 16.0 21.0 7757 7 21.0 25.2 15.8 6731 15 13.4 20.2 17.0 7825 12 ...
... Changed the 6652 6 41.2 15.0 21.0 7641 9 10.0 5.0 35.3 inclination . 6681 14 59.7 21.6 15.0 7683 12 44.7 22.7 18.0 6698 3 41.8 20.2 16.0 7733 7 26.9 23.0 18.0 6720 14 87.3 16.0 21.0 7757 7 21.0 25.2 15.8 6731 15 13.4 20.2 17.0 7825 12 ...
Page 73
... 7931 6 36.2 35.4 0.0 15 ° after merid . 8003 II 79.0 19.4 16.2 Changed incl'n . 7621 9.95.3 13.7 20.3 8039 7 25.4 18.9 16.9 7641 8 60.1 25.0 9.0 8077 8 86.6 18.6 17.3 Observations for Latitude . - Station , Colorado Springs - 10 73.
... 7931 6 36.2 35.4 0.0 15 ° after merid . 8003 II 79.0 19.4 16.2 Changed incl'n . 7621 9.95.3 13.7 20.3 8039 7 25.4 18.9 16.9 7641 8 60.1 25.0 9.0 8077 8 86.6 18.6 17.3 Observations for Latitude . - Station , Colorado Springs - 10 73.
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Common terms and phrases
12-Year Cat 21h local sidereal 30 late 30m local sidereal 50 Draconis 61 Cygni 9 Draconis Aquarii August bB aA cC Capricorni Cassiopeia Ceti Cheyenne chron chronograph chronom Clamp Cloudy all day Colo Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Correction of chronometer Date Delphini Description of observatory eter final result Groom Groombridge 3241 Groombridge 4163 Half-sum of dec HARVARD COLLEGE OBSERVATORY Herculis July 30 latitude Observations Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations Mean at 24h Mean for 19h Meridian Micrometer Remarks Micrometer star Name of Star nights Normal Equations Number Half-sum Observations for Latitude.-Station October 14 October 16 Pegasi Piscium probable error REDUCTION Right Ascension Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron T. D. Oct 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
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Page 53 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 5 - Printing-Office, and that fifteen hundred copies be furnished on requisition from this Office. Very respectfully, your obedient servant, AA HUMPHREYS, Brigadier-Oeneral and Chief of Engineers.