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 |
From inside the book
Results 6-10 of 15
Page 29
... night and the mean of all the nights : Signals sent from- Stations of record . Means of signals sent and received . Chronometric errors . Local sidereal times . Difference of longitude . Means . 1872 . October 5 . h . m . Cheyenne chron ...
... night and the mean of all the nights : Signals sent from- Stations of record . Means of signals sent and received . Chronometric errors . Local sidereal times . Difference of longitude . Means . 1872 . October 5 . h . m . Cheyenne chron ...
Page 30
... nights ' observations together ; the one at Salt Lake in September , 1872 , the other at the Naval Observatory , May ... night of the 14th at Cheyenne , when the signals had to be received by sound in consequence of the failure of the ...
... nights ' observations together ; the one at Salt Lake in September , 1872 , the other at the Naval Observatory , May ... night of the 14th at Cheyenne , when the signals had to be received by sound in consequence of the failure of the ...
Page 45
... night's work , the resulting latitude , and the one adopted for this station , is , 41 ° 7 ′ 46 ′′ .62 , with a probable error of 0 ′′ .08 . The latitudes were originally computed by Professor William A. Rogers , of Cambridge , Mass ...
... night's work , the resulting latitude , and the one adopted for this station , is , 41 ° 7 ′ 46 ′′ .62 , with a probable error of 0 ′′ .08 . The latitudes were originally computed by Professor William A. Rogers , of Cambridge , Mass ...
Page 50
... night . 30 N. SW . NW . I 3 2 Heavy wind and rain in the afternoon . 31 N. SE . N. I T I Rain from the west at 3 p . m . August I N. NE . NW . 2 2 NE . S. 5 3 3 Heavy shower in the afternoon ; storm from northeast at 9 p . m . Heavy ...
... night . 30 N. SW . NW . I 3 2 Heavy wind and rain in the afternoon . 31 N. SE . N. I T I Rain from the west at 3 p . m . August I N. NE . NW . 2 2 NE . S. 5 3 3 Heavy shower in the afternoon ; storm from northeast at 9 p . m . Heavy ...
Page 53
... nights of July 29th and 30th , and August 2d , 5th , and 6th . Observations for time were made at Colorado Springs on the nights of July 28th , 29th , 30th , and 31st , and August 2d , 4th , 5th , and 6th ; at Salt Lake on the nights of ...
... nights of July 29th and 30th , and August 2d , 5th , and 6th . Observations for time were made at Colorado Springs on the nights of July 28th , 29th , 30th , and 31st , and August 2d , 4th , 5th , and 6th ; at Salt Lake on the nights of ...
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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.