Report Upon the Determination of the Astronomical Co-ordinates 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 Meridian, First Lieut. George M. Wheeler, Corps of Engineers, in Charge. Dr. F. Kampf and J. H. Clark, Civilian Astronomical AssistantsU.S. Government Printing Office, 1874 - 82 pages |
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Page 50
... August 9th there was no day without rain , accompanied by thunder and lightning . The prevailing winds were from the northeast or southeast , commencing at 10 or 11 o'clock a . m . , and increasing in force until 2 or 3 o'clock p . m ...
... August 9th there was no day without rain , accompanied by thunder and lightning . The prevailing winds were from the northeast or southeast , commencing at 10 or 11 o'clock a . m . , and increasing in force until 2 or 3 o'clock p . m ...
Page 53
... August 2d , 4th , 5th , and 6th ; at Salt Lake on the nights of July 28th , 29th , 30th , and 31st , and August 1st , 2d , 5th , and 6th . The reductions of time - observations for Colorado Springs were made in the field by the ...
... August 2d , 4th , 5th , and 6th ; at Salt Lake on the nights of July 28th , 29th , 30th , and 31st , and August 1st , 2d , 5th , and 6th . The reductions of time - observations for Colorado Springs were made in the field by the ...
Page 54
... August- July- 28 29 30 31 2 456 28 29 30 31 I August- 256 Ursa Minoris ε Coronæ 15 48 38.49 + 78 11.0 52 19.90 +27 14.8 B1 Scorpii 58 3.26 - 19 27.3 Groombridge 2320 16 5 58.86+ 68 8.7 8 Ophiuchi . 7 41.48 3 21.9 T Herculis 15 55.32+ 46 ...
... August- July- 28 29 30 31 2 456 28 29 30 31 I August- 256 Ursa Minoris ε Coronæ 15 48 38.49 + 78 11.0 52 19.90 +27 14.8 B1 Scorpii 58 3.26 - 19 27.3 Groombridge 2320 16 5 58.86+ 68 8.7 8 Ophiuchi . 7 41.48 3 21.9 T Herculis 15 55.32+ 46 ...
Page 57
... August 2 , 1873 . Name of Star . Clamp . T bB aA cC T ' AR . AT Ε Coronæ B1 Scorpii ♪ Ophiuchi . T Herculis . E. 16 • h . m . S. 2 36.71 S. S. S. h . m . S. h . m . S. 0.02 +0.25 +0.08 16 2 37.06 15 52 21.37 m . S. -10 15.69 • • 8 ...
... August 2 , 1873 . Name of Star . Clamp . T bB aA cC T ' AR . AT Ε Coronæ B1 Scorpii ♪ Ophiuchi . T Herculis . E. 16 • h . m . S. 2 36.71 S. S. S. h . m . S. h . m . S. 0.02 +0.25 +0.08 16 2 37.06 15 52 21.37 m . S. -10 15.69 • • 8 ...
Page 58
... August 4 , 1873 . Name of Star . Clamp . T. bB aA cC T ' AR . ΔΤ h . m . S. S. S. S. d Sagittarii . Draconis . T Draconis . y Aquilæ a Aquilæ • ε Draconis . • E. 19 20 31.64 - 0.04 1.27 - 0.04 22 54.29 --- 0.23 1.77 - 0.09 h . m . 19 20 ...
... August 4 , 1873 . Name of Star . Clamp . T. bB aA cC T ' AR . ΔΤ h . m . S. S. S. S. d Sagittarii . Draconis . T Draconis . y Aquilæ a Aquilæ • ε Draconis . • E. 19 20 31.64 - 0.04 1.27 - 0.04 22 54.29 --- 0.23 1.77 - 0.09 h . m . 19 20 ...
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Common terms and phrases
12-Year Cat 21h local sidereal 30 late 30m local sidereal 50 Draconis 61 Cygni 9 Draconis Aquarii August bB aA cC Capricorni Cassiopeia Ceti Cheyenne chron chronograph chronom Clamp Cloudy all day Colo Colorado Springs chronometer COLORADO TERRITORY Computations for Latitude Correction of chronometer Date Delphini Description of observatory eter final result Groom Groombridge 3241 Groombridge 4163 Half-sum of dec HARVARD COLLEGE OBSERVATORY Herculis July 30 latitude Observations Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations Mean at 24h Mean for 19h Meridian Micrometer Remarks Micrometer star Name of Star nights Normal Equations Number Half-sum Observations for Latitude.-Station October 14 October 16 Pegasi Piscium probable error REDUCTION Right Ascension Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron T. D. Oct 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
Popular passages
Page 53 - Ocean, the first thing which strikes us is, that, the north-east and south-east monsoons, which are found the one on the north and the other on...
Page 5 - Printing-Office, and that fifteen hundred copies be furnished on requisition from this Office. Very respectfully, your obedient servant, AA HUMPHREYS, Brigadier-Oeneral and Chief of Engineers.