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 |
From inside the book
Results 1-5 of 5
Page 11
... windy nights , the elements presented no obstacle whatever to a continued series of observations . In the early morning it would become cold enough to form ice , making it sufficiently uncomfortable to restrain the ardor.
... windy nights , the elements presented no obstacle whatever to a continued series of observations . In the early morning it would become cold enough to form ice , making it sufficiently uncomfortable to restrain the ardor.
Page 12
... wind . Estimated force of wind . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 1872 . October 5 NW . 6 SW . O zo N. I I I O 7 NW . I 8 NE . I ΙΟ ao 9 SE . I SE . O I O II N. 12 N. 13 ...
... wind . Estimated force of wind . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 7 a . m . to 7 p . m . 7 p . m . to 7 a . m . 1872 . October 5 NW . 6 SW . O zo N. I I I O 7 NW . I 8 NE . I ΙΟ ao 9 SE . I SE . O I O II N. 12 N. 13 ...
Page 50
... wind for three hours before and three hours after the given time ; also the estimated force of wind for the same time . The last column gives the general appearance of the sky , and needs no further explanation . It shows under what ...
... wind for three hours before and three hours after the given time ; also the estimated force of wind for the same time . The last column gives the general appearance of the sky , and needs no further explanation . It shows under what ...
Page 72
... wind . 7621 10 19.3 23.9 16.2 Changed the 6652 6 41.2 15.0 21.0 7641 9 10.0 5.0 35.3 inclination . 6681 14 59.7 21.6 15.0 7683 12 44.7 22.7 18.0 6698 3 41.8 20.2 16.0 7733 7 26.9 23.0 18.0 6720 14 87.3 16.0 21.0 • 7757 7 21.0 25.2 15.8 ...
... wind . 7621 10 19.3 23.9 16.2 Changed the 6652 6 41.2 15.0 21.0 7641 9 10.0 5.0 35.3 inclination . 6681 14 59.7 21.6 15.0 7683 12 44.7 22.7 18.0 6698 3 41.8 20.2 16.0 7733 7 26.9 23.0 18.0 6720 14 87.3 16.0 21.0 • 7757 7 21.0 25.2 15.8 ...
Page 78
... winds , and great changes in temperature con- stantly affected the instrument . It is customary in this office to select for latitude only thirty - five pairs of stars , which have to be observed on five different nights . But the ...
... winds , and great changes in temperature con- stantly affected the instrument . It is customary in this office to select for latitude only thirty - five pairs of stars , which have to be observed on five different nights . But the ...
Other editions - View all
Common terms and phrases
¹ Lyræ 12-Year Cat 24h local sidereal 30 late 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 instrument July 28 July 30 Latitude of Cheyenne LATITUDE-OBSERVATIONS-Continued Level linations longitude Mean at 24h Mean for 19h Meridian Micrometer Name of Star nights Normal Equations Number Half-sum O.II Observations for Latitude.-Station October 14 October 18 pairs of stars Pegasi personal equation probable error REDUCTION Right Ascension Salt Lake chron SALT LAKE CITY SALT LAKE OBSERVATORY Springs chron SURVEYS WEST 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