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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Results 1-5 of 28
Page 12
... Date . General direction of wind . Estimated force of wind . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . Remarks , 1872 . October 5 NW . N. 6 SW . 7 NW . 8 NE . 9 SE . 10 SE . II N. 12 N ...
... Date . General direction of wind . Estimated force of wind . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . Remarks , 1872 . October 5 NW . N. 6 SW . 7 NW . 8 NE . 9 SE . 10 SE . II N. 12 N ...
Page 28
... Date . Local sidereal hour . Correction of chronometer . Rate per hour . 1872 . October 5 h . h . m . S. 22.50 - I 52 55.725 14 23.50 16 23.00 18 23.00 19 23.25 21 24.00 33.725 2 . 43.130 595 2.405 40.725 2.925 37.800 37.085.160 + 0.058 ...
... Date . Local sidereal hour . Correction of chronometer . Rate per hour . 1872 . October 5 h . h . m . S. 22.50 - I 52 55.725 14 23.50 16 23.00 18 23.00 19 23.25 21 24.00 33.725 2 . 43.130 595 2.405 40.725 2.925 37.800 37.085.160 + 0.058 ...
Page 31
... 59 49.4 611 2088 7602 43 1 38 21 46.0 53 32 63 46 13.7 7681 57 46 44 2 1.2 29 61 657 2 2 7 7705 22 O 47 44 23 33.4 696 9 4 74 25 19 58.5 56 55 17.0 Date . ( 15. ) REDUCTION OF THE LATITUDE - 31 Reduction of the latitude observations.
... 59 49.4 611 2088 7602 43 1 38 21 46.0 53 32 63 46 13.7 7681 57 46 44 2 1.2 29 61 657 2 2 7 7705 22 O 47 44 23 33.4 696 9 4 74 25 19 58.5 56 55 17.0 Date . ( 15. ) REDUCTION OF THE LATITUDE - 31 Reduction of the latitude observations.
Page 32
... Date . ( 15. ) REDUCTION OF THE LATITUDE - OBSERVATIONS — Continued . Observations for Latitude . - Station , Cheyenne , Wyoming Territory . Level . Level . No. of Micrometer Remarks . Date . star . reading . No. of Micrometer star ...
... Date . ( 15. ) REDUCTION OF THE LATITUDE - OBSERVATIONS — Continued . Observations for Latitude . - Station , Cheyenne , Wyoming Territory . Level . Level . No. of Micrometer Remarks . Date . star . reading . No. of Micrometer star ...
Page 33
... Date . ( 15. ) REDUCTION OF THE LATITUDE - OBSERVATIONS - Continued . Observations for Latitude . - Station , Cheyenne , Wyoming Territory . Level . Level . No. of Micrometer Remarks . Date . star . reading . No of Micrometer star ...
... Date . ( 15. ) REDUCTION OF THE LATITUDE - OBSERVATIONS - Continued . Observations for Latitude . - Station , Cheyenne , Wyoming Territory . Level . Level . No. of Micrometer Remarks . Date . star . reading . No of Micrometer star ...
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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