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 12
... October . They are the months that fall between the rainy season of the summer and the stormy weather of the winter ... 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 ...
... October . They are the months that fall between the rainy season of the summer and the stormy weather of the winter ... 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 ...
Page 14
... October- Name of Star . 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 ...
... October- Name of Star . 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 ...
Page 15
... October- October- Name of Star . Mean Right Ascension , 1872.0 . Declination . 5. 14. 16. 18. 19 . 21 . * h , n Aquarii 226 Cephei Pegasi ν Cephei 2 Aquarii . . 222 m . S. 22 28 46.69 0 46.6 * * 30 1.09 +75 34.0 35 4.65 + 10 9.8 * * 45 ...
... October- October- Name of Star . Mean Right Ascension , 1872.0 . Declination . 5. 14. 16. 18. 19 . 21 . * h , n Aquarii 226 Cephei Pegasi ν Cephei 2 Aquarii . . 222 m . S. 22 28 46.69 0 46.6 * * 30 1.09 +75 34.0 35 4.65 + 10 9.8 * * 45 ...
Page 17
... October 14 , 1872 . Name of Star . Clamp . T bB a A cC T ' AR . AT h . m . S. 7 Aquilæ . 0 Aquilæ . K Cephei . π Capricorni . ε Delphini Groombridge 3241 a Cygni μ Aquarii 12 - Year Cat . 1879 . 61 Cygni . < Cygni E. 20 0 17.86 S. 0.08 ...
... October 14 , 1872 . Name of Star . Clamp . T bB a A cC T ' AR . AT h . m . S. 7 Aquilæ . 0 Aquilæ . K Cephei . π Capricorni . ε Delphini Groombridge 3241 a Cygni μ Aquarii 12 - Year Cat . 1879 . 61 Cygni . < Cygni E. 20 0 17.86 S. 0.08 ...
Page 18
... October 16 , 1872 . 5 Cygni a Cephei . B Aquarii . B Cephei ε Aquarii . Pegasi . • • • • • • . • • • Mean at 21h ... 14 • 12 - Year Cat . , 1879 E. 61 Cygni • • • • 21 55 47.17 3 37.78 0.09 + 0.01 -0.08 +0.04 AR . ΔΤ S. S. h . m . S. 20 ...
... October 16 , 1872 . 5 Cygni a Cephei . B Aquarii . B Cephei ε Aquarii . Pegasi . • • • • • • . • • • Mean at 21h ... 14 • 12 - Year Cat . , 1879 E. 61 Cygni • • • • 21 55 47.17 3 37.78 0.09 + 0.01 -0.08 +0.04 AR . ΔΤ S. S. h . m . S. 20 ...
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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