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
Order of sequence for an astronomical report Abbreviations and signs Cheyenne station . ... Reduction of the latitude observations Mean places of stars used for determination of latitude Observations for latitude Computations for ...
Order of sequence for an astronomical report Abbreviations and signs Cheyenne station . ... Reduction of the latitude observations Mean places of stars used for determination of latitude Observations for latitude Computations for ...
Page 7
ORDER OF SEQUENCE FOR AN ASTRONOMICAL REPORT AT MAIN OR PRIMARY FIELD - STATIONS . Longitude by ... Geographical position of station . 2. ... Reduction of the latitude - observations properly grouped , with discussion of results . 16.
ORDER OF SEQUENCE FOR AN ASTRONOMICAL REPORT AT MAIN OR PRIMARY FIELD - STATIONS . Longitude by ... Geographical position of station . 2. ... Reduction of the latitude - observations properly grouped , with discussion of results . 16.
Page 11
The station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longitude 28m 19.44 east of the ... of two or three windy nights , the elements presented no obstacle whatever to a continued series of observations .
The station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longitude 28m 19.44 east of the ... of two or three windy nights , the elements presented no obstacle whatever to a continued series of observations .
Page 14
The nights of the 1st , 3d , 8th , 9th , 10th , 11th , and 12th were occupied on latitude , in which time 257 results ... while the observations at Cheyenne were made by myself , and also the longitude reductions for both stations .
The nights of the 1st , 3d , 8th , 9th , 10th , 11th , and 12th were occupied on latitude , in which time 257 results ... while the observations at Cheyenne were made by myself , and also the longitude reductions for both stations .
Page 30
To determine this difference , we had two nights ' observations together ; the one at Salt Lake in September ... From the foregoing I conclude that the difference of longitude between Salt Lake City observatory and the station at ...
To determine this difference , we had two nights ' observations together ; the one at Salt Lake in September ... From the foregoing I conclude that the difference of longitude between Salt Lake City observatory and the station at ...
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Common terms and phrases
61 Cygni 9 Draconis Adopted Aquarii Aquilæ astronomical August azimuth Capricorni Cephei Changed charge Cheyenne chron chronograph chronom chronometer circuit Clamp clear Cloudy Colo Colorado Springs Colorado Springs chronometer COLORADO TERRITORY connection Corrections Cygni Date Description Determination difference Draconis Engineers eter exchange final result Groom heavy Herculis hour July 30 late Latitude LATITUDE-OBSERVATIONS-Continued Level longitude Lyræ Mean Mean at 24h Mean for 17h Meridian Micrometer star minutes Name of Star nights Normal Equations observations Observations for Latitude.-Station October October 18 Ophiuchi pair Pegasi Piscium places probable error rain reading received record REDUCTION Remarks Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY shows Springs chron station SURVEYS TABLES OF TIME-REDUCTIONS TIME-REDUCTIONS AT RECEIVING-STATION-Continued UNIFORM TABLES United Ursa UTAH TERRITORY values Washington Western wind wires Wyoming Territory
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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.
Bibliographic information
| Title | 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 ... |
| Author | Geographical Surveys West of the 100th Meridian (U.S.) |
| Publisher | U.S. Government Printing Office, 1874 |
| Original from | Harvard University |
| Digitized | 20 Nov 2007 |
| Length | 82 pages |
| Export Citation | BiBTeX EndNote RefMan |