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 11-15 of 15
Page 78
... nights . But the observer is dependent upon the weather , and is frequently disappointed , although after waiting I preferred to select a greater number of pairs , believing that the final result of a latitude is better when depending ...
... nights . But the observer is dependent upon the weather , and is frequently disappointed , although after waiting I preferred to select a greater number of pairs , believing that the final result of a latitude is better when depending ...
Page 79
... night under the same conditions , I should prefer to determine the probable error of the final result after the manner of ... nights , I find the probable error of one observation- and that of the final result , ε = 0 " .428 ε = ± 0.035 ...
... night under the same conditions , I should prefer to determine the probable error of the final result after the manner of ... nights , I find the probable error of one observation- and that of the final result , ε = 0 " .428 ε = ± 0.035 ...
Page 80
... nights that are clear at both stations ; that is , the observers in charge , after having completed the necessary arrangements for the observations and exchange of signals , will , from this time on , exchange signals each night that ...
... nights that are clear at both stations ; that is , the observers in charge , after having completed the necessary arrangements for the observations and exchange of signals , will , from this time on , exchange signals each night that ...
Page 81
... nights of first - class observations , it becomes necessary that there should be an exchange of the approximate results . Each observer will therefore send to the other , upon each subsequent night or as soon thereafter as practicable ...
... nights of first - class observations , it becomes necessary that there should be an exchange of the approximate results . Each observer will therefore send to the other , upon each subsequent night or as soon thereafter as practicable ...
Page 82
... nights ; and as observa- tions are required only for eleven nights , the remaining interval should be employed in computation . The order of sequence for an astronomical report is furnished herewith , and the records and journal will be ...
... nights ; and as observa- tions are required only for eleven nights , the remaining interval should be employed in computation . The order of sequence for an astronomical report is furnished herewith , and the records and journal will be ...
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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