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 3
... Mean places of stars used for determination of latitude Observations for latitude Computations for latitude Resulting astronomical co - ordinates Colorado Springs station , Colorado Territory Geographical position of station Physical ...
... Mean places of stars used for determination of latitude Observations for latitude Computations for latitude Resulting astronomical co - ordinates Colorado Springs station , Colorado Territory Geographical position of station Physical ...
Page 7
... means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14. Resulting longitude . 15. Reduction of the latitude - observations properly grouped , with discussion of results . 16. Resulting ...
... means of single and serial results . 12. Personal equation . 13. Probable error by least squares . 14. Resulting longitude . 15. Reduction of the latitude - observations properly grouped , with discussion of results . 16. Resulting ...
Page 8
... mean of the wires is cor- rected for rate and level . 4T adopted mean error of chronometer . & T = 4T。- 4T . 4Terror of the chronometer . v difference between mean final correction of chronometer and T. REPORT ON ASTRONOMICAL ...
... mean of the wires is cor- rected for rate and level . 4T adopted mean error of chronometer . & T = 4T。- 4T . 4Terror of the chronometer . v difference between mean final correction of chronometer and T. REPORT ON ASTRONOMICAL ...
Page 13
... means of the chronograph , of the form contrived by Professor Harkness , United States Naval Observatory . It ... mean temperature of 50 ° . The break- arrangement got out of order once , but it was readily repaired , and ran the ...
... means of the chronograph , of the form contrived by Professor Harkness , United States Naval Observatory . It ... mean temperature of 50 ° . The break- arrangement got out of order once , but it was readily repaired , and ran the ...
Page 14
... Mean Right Ascension , 1872.0 . Declination . 5. 14. 16. 18. 19. 21. 5. 14. 16. 18. 19. 21 . ↑ Aquilæ • Aquilæ • a2 Capricorni K Cephei Capricorni • • · " ε Delphini . • Groombridge 3241 a Cygni . μ Aquarii • v Cygni . 12 - Year ...
... Mean Right Ascension , 1872.0 . Declination . 5. 14. 16. 18. 19. 21. 5. 14. 16. 18. 19. 21 . ↑ Aquilæ • Aquilæ • a2 Capricorni K Cephei Capricorni • • · " ε Delphini . • Groombridge 3241 a Cygni . μ Aquarii • v Cygni . 12 - Year ...
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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