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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Results 1-5 of 42
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 6
... twenty - two in number , will appear in Volume II of the Reports of the Survey , as proposed in the Annual Report of the Chief of Engineers for 1873 , Appendix EE . ORDER OF SEQUENCE FOR AN ASTRONOMICAL REPORT AT MAIN OR 6.
... twenty - two in number , will appear in Volume II of the Reports of the Survey , as proposed in the Annual Report of the Chief of Engineers for 1873 , Appendix EE . ORDER OF SEQUENCE FOR AN ASTRONOMICAL REPORT AT MAIN OR 6.
Page 12
... II N. I 12 N. I 13 O O O O 14 NW . NW . I I Aurora borealis in the north at 11.30 p.m. 15 NW . 2 O 16 NW . I O 17 SW . I O Aurora borealis in the north at 9 p . m . 18 O O 19 20 W. I W. N. I ( 4. ) DESCRIPTION OF OBSERVATORY . A large ...
... II N. I 12 N. I 13 O O O O 14 NW . NW . I I Aurora borealis in the north at 11.30 p.m. 15 NW . 2 O 16 NW . I O 17 SW . I O Aurora borealis in the north at 9 p . m . 18 O O 19 20 W. I W. N. I ( 4. ) DESCRIPTION OF OBSERVATORY . A large ...
Page 16
... O.II 9 41.52 7 31.10 10.28 10.42 Mean , exclusive of к Cephei , at 20h 30m local sidereal time 2 10.39 Normal Equations . 9 st 3.24 a + 0.18c = -2.22 -3.24 St + 22.91 a — 10.29 c = — 3.72 0.18 St 10.29 a + 63.46 c = +0.60 -- a = 0.18 C ...
... O.II 9 41.52 7 31.10 10.28 10.42 Mean , exclusive of к Cephei , at 20h 30m local sidereal time 2 10.39 Normal Equations . 9 st 3.24 a + 0.18c = -2.22 -3.24 St + 22.91 a — 10.29 c = — 3.72 0.18 St 10.29 a + 63.46 c = +0.60 -- a = 0.18 C ...
Page 17
... O 17.54 7 6.86 - 0.17 0.10 7 6.53 20 4 43.55 22.98 15 31.66 - 15 31.63 13 8.71 22.92 22 24.56 22 24.19 20 1.44 ... II St- - 4.46a + 1.25c + 1.73 - a = 0.250 — 4.46 dt + 26.19a + 5.21c = -7.89 1.25 +5.21 a + 75.02c = -8.35 c = -0.096 dt ...
... O 17.54 7 6.86 - 0.17 0.10 7 6.53 20 4 43.55 22.98 15 31.66 - 15 31.63 13 8.71 22.92 22 24.56 22 24.19 20 1.44 ... II St- - 4.46a + 1.25c + 1.73 - a = 0.250 — 4.46 dt + 26.19a + 5.21c = -7.89 1.25 +5.21 a + 75.02c = -8.35 c = -0.096 dt ...
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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