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
... Remarks . 1872 . October 5 NW . N. I I 6 SW . I O 7 NW . I O 8 NE . I 9 SE . I 10 SE . I 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 ...
... Remarks . 1872 . October 5 NW . N. I I 6 SW . I O 7 NW . I O 8 NE . I 9 SE . I 10 SE . I 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 ...
Page 32
... Remarks . Date . Remarks . star . reading . star . reading . N. S. N. S. 1872 . Oct. I T. D. 1872 . T. D. 7101 27 34.5 15.0 39.0 Oct. I 8279 II 43.2 22.5 26.5 7114 5 45.5 . 30 ° late . 8296 23 44.5 7.0 42.0 7174 24 53.8 42.0 12.0 8301 ...
... Remarks . Date . Remarks . star . reading . star . reading . N. S. N. S. 1872 . Oct. I T. D. 1872 . T. D. 7101 27 34.5 15.0 39.0 Oct. I 8279 II 43.2 22.5 26.5 7114 5 45.5 . 30 ° late . 8296 23 44.5 7.0 42.0 7174 24 53.8 42.0 12.0 8301 ...
Page 33
... Remarks . Date . star . reading . No of Micrometer star . reading . Remarks . N. S. N. S. 1872 . T. b . Oct. 3 7721 28 77.6 30.5 11.5 1872 . Oct. 8 T. D. 6722 2 63.0 15.0 31.5 7731 28 98.0 • • • 6754 23 66.8 37.0 10.0 7746 O 22.5 15.5 ...
... Remarks . Date . star . reading . No of Micrometer star . reading . Remarks . N. S. N. S. 1872 . T. b . Oct. 3 7721 28 77.6 30.5 11.5 1872 . Oct. 8 T. D. 6722 2 63.0 15.0 31.5 7731 28 98.0 • • • 6754 23 66.8 37.0 10.0 7746 O 22.5 15.5 ...
Page 34
... Remarks . Date . reading . No. of Micrometer star . reading . Remarks . N. S. N. S. 1872 . Oct. 8 T. D. 7972 17 34.9 32.0 22.0 1872 . Oct. 8 T. D. 572 25 8.6 19.0 35.0 7978 ΙΟ 3.0 573 24 98.5 42.0 II.0 7984 22 13.5 31.0 22.0 588 1 11.3 ...
... Remarks . Date . reading . No. of Micrometer star . reading . Remarks . N. S. N. S. 1872 . Oct. 8 T. D. 7972 17 34.9 32.0 22.0 1872 . Oct. 8 T. D. 572 25 8.6 19.0 35.0 7978 ΙΟ 3.0 573 24 98.5 42.0 II.0 7984 22 13.5 31.0 22.0 588 1 11.3 ...
Page 35
... Remarks . Date . reading . star . reading . N. S. Level . Remarks . N. S. 1872 . T. D. Oct. 9 7602 4 17.0 7681 13 52.0 7705 25 13.0 18.0 38.0 39.5 15.5 37.0 19.0 Doubtful . 7721 28 16.2 12.0 42.0 7731 28 40.5 1872 . T. D. Oct. 9 394 6 ...
... Remarks . Date . reading . star . reading . N. S. Level . Remarks . N. S. 1872 . T. D. Oct. 9 7602 4 17.0 7681 13 52.0 7705 25 13.0 18.0 38.0 39.5 15.5 37.0 19.0 Doubtful . 7721 28 16.2 12.0 42.0 7731 28 40.5 1872 . T. D. Oct. 9 394 6 ...
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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