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
... station , Colorado Territory Geographical position of station Physical - geography details Meteorological conditions Description of observatory • Description of instruments used Points of connection . Tabulation of stars used for time ...
... station , Colorado Territory Geographical position of station Physical - geography details Meteorological conditions Description of observatory • Description of instruments used Points of connection . Tabulation of stars used for time ...
Page 5
... stations for the years 1872 and 1873 , although not selected because of probable errors that are a minimum . Attention is invited to the methods employed and the order of sequence in reporting the results . Uniformity of plan seems to ...
... stations for the years 1872 and 1873 , although not selected because of probable errors that are a minimum . Attention is invited to the methods employed and the order of sequence in reporting the results . Uniformity of plan seems to ...
Page 6
... stations in the years 1871 , 1872 , and 1873 . These meridian - lines may serve various purposes in checking future surveys in adjacent areas . Very respectfully , your obedient servant , Brig . Gen. A. A. HUMPHREYS , GEO . M. WHEELER ...
... stations in the years 1871 , 1872 , and 1873 . These meridian - lines may serve various purposes in checking future surveys in adjacent areas . Very respectfully , your obedient servant , Brig . Gen. A. A. HUMPHREYS , GEO . M. WHEELER ...
Page 7
... station . 10. Uniform tables of time - reductions at sending - station . 11. Grouping of series of exchange - signals , including means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14 ...
... station . 10. Uniform tables of time - reductions at sending - station . 11. Grouping of series of exchange - signals , including means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14 ...
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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
Popular passages
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.