Report Upon the Determination of the Astronomical Coordinates 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 MeridianU.S. Government Printing Office, 1874 - 82 pages |
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Page 1
... , CIVILIAN ASTRONOMICAL ASSISTANTS . WASHINGTON : GOVERNMENT PRINTING OFFICE . 1874 . 84938 . DE TABLE OF CONTENTS . Order of sequence. GEOGRAPHICAL AND GEOLOGICAL EXPLORATIONS AND SURVEYS WEST OF THE ONE HUNDREDTH MERIDIAN .
... , CIVILIAN ASTRONOMICAL ASSISTANTS . WASHINGTON : GOVERNMENT PRINTING OFFICE . 1874 . 84938 . DE TABLE OF CONTENTS . Order of sequence. GEOGRAPHICAL AND GEOLOGICAL EXPLORATIONS AND SURVEYS WEST OF THE ONE HUNDREDTH MERIDIAN .
Page 3
... field - season of 1873 Page . 7 8 II 12 13 13 14 15 16-27 28 29 30 30 30 • 31-44 31 32-38 39-44 45 49 49 49 50 50 51 52 53 64 65-67 68 69 70-73 74-76 77-78 78 79-81 OFFICE OF THE CHIEF OF ENGINEERS , Washington , D.
... field - season of 1873 Page . 7 8 II 12 13 13 14 15 16-27 28 29 30 30 30 • 31-44 31 32-38 39-44 45 49 49 49 50 50 51 52 53 64 65-67 68 69 70-73 74-76 77-78 78 79-81 OFFICE OF THE CHIEF OF ENGINEERS , Washington , D.
Page 5
... Washington , D. C. , February 13 , 1874 . SIR : Lieut . George M. Wheeler , Corps of Engineers , has sent to this office a report embodying the results from the astronomical observations made at Cheyenne , Wyoming Territory , and ...
... Washington , D. C. , February 13 , 1874 . SIR : Lieut . George M. Wheeler , Corps of Engineers , has sent to this office a report embodying the results from the astronomical observations made at Cheyenne , Wyoming Territory , and ...
Page 11
... Washington , D. C. , January 1 , 1874 . CHEYENNE , WYOMING TERRITORY . ( 1. ) GEOGRAPHICAL POSITION OF STATION . The station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longi- tude 28m 19.44 east of the Mormon ...
... Washington , D. C. , January 1 , 1874 . CHEYENNE , WYOMING TERRITORY . ( 1. ) GEOGRAPHICAL POSITION OF STATION . The station at Cheyenne , the latitude of which is N. 41 ° 7 ′ 46 ′′ .62 , and its longi- tude 28m 19.44 east of the Mormon ...
Page 30
... Washington the same instrument on different stars . The record , in both instances , was made on a chrono- graph . The result shows a large difference - Mr . Austin observing later than myself , as may be seen by a statement of the ...
... Washington the same instrument on different stars . The record , in both instances , was made on a chrono- graph . The result shows a large difference - Mr . Austin observing later than myself , as may be seen by a statement of the ...
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Common terms and phrases
12-Year Cat 21h local sidereal 30m local sidereal 50 Draconis 61 Cygni 9 Draconis Aquarii August bB aA cC Capricorni Cassiopeiæ Ceti Cheyenne chron chronograph chronom circuit Clamp Cloudy all day Colo Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Correction of chronometer 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 17h Micrometer star Name of Star nights Normal Equations Number Half-sum O.II Observations for Latitude.-Station October 14 October 19 Pegasi personal equation Piscium probable error REDUCTION Remarks Right Ascension Sagittarii Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron ß Lyræ 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