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 30
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 . 1872 . October 5 NW . N. I I 6 SW . O I O 7 NW . O I 8 NE . O I O 9 SE . O I O ΙΟ SE ...
... 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 . 1872 . October 5 NW . N. I I 6 SW . O I O 7 NW . O I 8 NE . O I O 9 SE . O I O ΙΟ SE ...
Page 28
... Date . Local sidereal hour . Correction of chronometer . Rate per hour . 1872 . h . h . m . S. October 5 22.50 - I 52 55.725 14 23.50 43.130 + 0.058 16 23.00 40.725 + 0.051 18 23.00 37.800 + 0.061 19 23.25 37.085 + 0.030 21 24.00 33.725 ...
... Date . Local sidereal hour . Correction of chronometer . Rate per hour . 1872 . h . h . m . S. October 5 22.50 - I 52 55.725 14 23.50 43.130 + 0.058 16 23.00 40.725 + 0.051 18 23.00 37.800 + 0.061 19 23.25 37.085 + 0.030 21 24.00 33.725 ...
Page 31
... 46 30 18 40 3.8 583 50 13 63 59 49.4 611 888 7602 53 32 28 43 I 38 21 46.0 63 46 13.7 7681 57 46 44 2 1.2 29 61 7705 22 O 47 44 23 33.4 6599 657 2 2 7 25 19 58.5 696 9 4 56 55 17.0 Date . ( 15. ) REDUCTION OF THE LATITUDE - 31.
... 46 30 18 40 3.8 583 50 13 63 59 49.4 611 888 7602 53 32 28 43 I 38 21 46.0 63 46 13.7 7681 57 46 44 2 1.2 29 61 7705 22 O 47 44 23 33.4 6599 657 2 2 7 25 19 58.5 696 9 4 56 55 17.0 Date . ( 15. ) REDUCTION OF THE LATITUDE - 31.
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 . Remarks . Date . star . reading . No of Micrometer star . reading . Remarks . N. S. N. S. 1872 . T. D. .1872 . T. D. Oct. 3 7721 28 77.6 30.5 11.5 Oct. 8 6722 2 63.0 15.0 31.5 7731 28 98.0 • 6754 23 66.8 37.0 10.0 7746 O 22.5 ...
... Date . Remarks . Date . star . reading . No of Micrometer star . reading . Remarks . N. S. N. S. 1872 . T. D. .1872 . T. D. Oct. 3 7721 28 77.6 30.5 11.5 Oct. 8 6722 2 63.0 15.0 31.5 7731 28 98.0 • 6754 23 66.8 37.0 10.0 7746 O 22.5 ...
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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.