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
... 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 , number ...
... 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 , number ...
Page 11
... station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and ... system seems not to have reached so far east in this latitude . ( 3 ... observations . In the early morning it would become cold enough to form ice ...
... station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and ... system seems not to have reached so far east in this latitude . ( 3 ... observations . In the early morning it would become cold enough to form ice ...
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
... observing later than myself , as may be seen by a statement of the following clock - errors : SALT LAKE CITY , UTAH ... station at Cheyenne is 28m 19.437 ; which difference , how- ever , is still ... LATITUDE OBSERVATIONS . Mean 30.
... observing later than myself , as may be seen by a statement of the following clock - errors : SALT LAKE CITY , UTAH ... station at Cheyenne is 28m 19.437 ; which difference , how- ever , is still ... LATITUDE OBSERVATIONS . Mean 30.
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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.