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 12
... clear all the time . Such an atmosphere , at an elevation of 6,000 feet , could not be otherwise than favor- able for astronomical work . Date . General direction of wind . Estimated force of wind . 7 a . m . to 7 p . m . 7 p . m . to 7 ...
... clear all the time . Such an atmosphere , at an elevation of 6,000 feet , could not be otherwise than favor- able for astronomical work . Date . General direction of wind . Estimated force of wind . 7 a . m . to 7 p . m . 7 p . m . to 7 ...
Page 49
... clear outlook to the north , south , and east . Looking west , prominent peaks and foot - hills of the Rocky Mountain range are seen running north and south ; Pike's Peak , immediately west , being the highest , and Chey- enne Mountain ...
... clear outlook to the north , south , and east . Looking west , prominent peaks and foot - hills of the Rocky Mountain range are seen running north and south ; Pike's Peak , immediately west , being the highest , and Chey- enne Mountain ...
Page 50
... clear after 12 p . m . Clear ; heavy dew in the night . 30 N. SW . NW . I 3 2 Heavy wind and rain in the afternoon . N. SE . N. I I Rain from the west at 3 p . m . N. NE . NW . 2 3 Heavy shower in the afternoon ; storm from northeast at ...
... clear after 12 p . m . Clear ; heavy dew in the night . 30 N. SW . NW . I 3 2 Heavy wind and rain in the afternoon . N. SE . N. I I Rain from the west at 3 p . m . N. NE . NW . 2 3 Heavy shower in the afternoon ; storm from northeast at ...
Page 80
... clear at both stations ; that is , the observers in charge , after having completed the necessary arrangements for the observations and exchange of signals , will , from this time on , exchange signals each night that shall be fair at ...
... clear at both stations ; that is , the observers in charge , after having completed the necessary arrangements for the observations and exchange of signals , will , from this time on , exchange signals each night that shall be fair at ...
Page 81
... clear understanding of the case ; as an observer will be held responsible should he leave the station and go to another before he is certain that the results upon final computation would prove satisfactory . 2. - Observations for ...
... clear understanding of the case ; as an observer will be held responsible should he leave the station and go to another before he is certain that the results upon final computation would prove satisfactory . 2. - Observations for ...
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Common terms and phrases
12-Year Cat 24h local sidereal 30 late 30m local sidereal 38 Cassiopeię 61 Cygni 79 Draconis Aquilę 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