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
... Final results for longitude .. Mean places of stars for 1873 used for determination of latitude Observations for latitude Computations for latitude Discussion of probable error Astronomical co - ordinates . Instructions for conducting ...
... Final results for longitude .. Mean places of stars for 1873 used for determination of latitude Observations for latitude Computations for latitude Discussion of probable error Astronomical co - ordinates . Instructions for conducting ...
Page 30
... results ; and I have the more faith in it because it expresses the sign between us which I would indicate reasoning ... final result is by the formula , Error 0.6745 , Σ ( v2 ) n ( n − 1 ) = ± 0.017 . ( 14. ) RESULTING LONGITUDE . From ...
... results ; and I have the more faith in it because it expresses the sign between us which I would indicate reasoning ... final result is by the formula , Error 0.6745 , Σ ( v2 ) n ( n − 1 ) = ± 0.017 . ( 14. ) RESULTING LONGITUDE . From ...
Page 45
... final result for longitude is subject , as already stated , to a correction for the personal equation of the observers . It is possible , also , that the longitude of Salt Lake may be changed when the observations made last October at ...
... final result for longitude is subject , as already stated , to a correction for the personal equation of the observers . It is possible , also , that the longitude of Salt Lake may be changed when the observations made last October at ...
Page 59
... final result on account of the doubtful position of the star . SALT LAKE CITY , UTAH TERRITORY , July 29 , 59.
... final result on account of the doubtful position of the star . SALT LAKE CITY , UTAH TERRITORY , July 29 , 59.
Page 68
... 2. The Colorado Springs chronometer is 0.095 later than the Salt Lake chronometer on the Colorado Springs chronograph ; therefore the mean is , 18h 39m 78.626 . Final Results for Longitude . Signals sent from- Stations of 68.
... 2. The Colorado Springs chronometer is 0.095 later than the Salt Lake chronometer on the Colorado Springs chronograph ; therefore the mean is , 18h 39m 78.626 . Final Results for Longitude . Signals sent from- Stations of 68.
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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