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 5
... adopted for the report at least , if not for the manner of con- ducting the observations . The present one is submitted with extreme diffidence , and will probably demand certain changes in the light of future experience . At Colorado ...
... adopted for the report at least , if not for the manner of con- ducting the observations . The present one is submitted with extreme diffidence , and will probably demand certain changes in the light of future experience . At Colorado ...
Page 8
... adopted mean error of chronometer . = ST - 4T - 4 , T . 4Terror of the chronometer . v = difference between mean final correction of chronometer and 4T . REPORT ON ASTRONOMICAL OPERATIONS , CONDUCTED DURING THE FIELD - Abbreviations and ...
... adopted mean error of chronometer . = ST - 4T - 4 , T . 4Terror of the chronometer . v = difference between mean final correction of chronometer and 4T . REPORT ON ASTRONOMICAL OPERATIONS , CONDUCTED DURING THE FIELD - Abbreviations and ...
Page 45
... adopted for this station , is , 41 ° 7 ′ 46 ′′ .62 , with a probable error of o " .08 . The latitudes were originally computed by Professor William A. Rogers , of Cambridge , Mass . , and revised by Dr. F. Kampf . ( 16. ) RESULTING ...
... adopted for this station , is , 41 ° 7 ′ 46 ′′ .62 , with a probable error of o " .08 . The latitudes were originally computed by Professor William A. Rogers , of Cambridge , Mass . , and revised by Dr. F. Kampf . ( 16. ) RESULTING ...
Page 56
... 7.82 dt +42 . 10 a ' – 23.31c - — 08.66 + 2.79dt - 23.31 a ' + 105.31 c a ' = +08.095 с = = 0.063 -10 13.53 ± 0.03 Mean for 19h 18m local sidereal time Mean for 16h Adopted azimuth , + 23.co ; azimuth of the instrument , +28.095 . 56.
... 7.82 dt +42 . 10 a ' – 23.31c - — 08.66 + 2.79dt - 23.31 a ' + 105.31 c a ' = +08.095 с = = 0.063 -10 13.53 ± 0.03 Mean for 19h 18m local sidereal time Mean for 16h Adopted azimuth , + 23.co ; azimuth of the instrument , +28.095 . 56.
Page 57
... Adopted azimuth , +28.00 ; azimuth of the instrument , +18.946 . COLORADO SPRINGS , COLORADO TERRITORY , August 2 , 1873 . Name of Star . Clamp . T ¿ B aA ¿ C T ' AR . AT ε Coronæ B1 Scorpii ♪ Ophiuchi . ↑ Herculis n Draconis . A ...
... Adopted azimuth , +28.00 ; azimuth of the instrument , +18.946 . COLORADO SPRINGS , COLORADO TERRITORY , August 2 , 1873 . Name of Star . Clamp . T ¿ B aA ¿ C T ' AR . AT ε Coronæ B1 Scorpii ♪ Ophiuchi . ↑ Herculis n Draconis . A ...
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Common terms and phrases
12-Year Cat 24h local sidereal 30 late 30m local sidereal 38 Cassiopeiæ 61 Cygni 79 Draconis Aquilæ 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