Astronomical, Magnetic and Meteorological Observations Made at the United States Naval ObservatoryU.S. Government Printing Office, 1875 |
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9 NW Anon Anonymous appar'nt Apparent North-Polar Distance Apparent Right Apparent Zenith April April 13 Aquarii Aquila Arietis Ascension North-Polar Distance Barom Bisections at wires Bootis C. K. Noon C. K. NW Camelopardalis Canis Majoris Ceti Circle Division Clear 9 column Defective Illumination DRACONIS elements of reduction equations Flex Geminorum Haze III-VII III-VII III-VII inch IV-VI July June June 18 Lacaille Lalande Leonis March March 16 Mean Div Mean wire MICROSCOPE MICROMS Miscellan'us Corrections Nadir Neptune Noon NW Number Oberon observations Observatory Ophiuchi Orionis Parallax Pegasi Piscium planet Polaris Portion cloudy Refraction Right Ascension Right Ascension North-Polar satellite SECONDS OF TRANSIT Semi-diam Sept September September 20 Star Table Tauri TELESCOPE MICROMETER Titania Transit Circle TRANSIT OVER WIRES Umbriel Uranus Ursa Minoris VIII Virginis Washington mean Weisse wwww XXIII Zenith-Point Correction ΔΡ ΙΟ 9 Ο.ΟΙ
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Página i - Yarnall — the results of his labors of more than twenty years — giving the places of more than 10,000 observed stars. Appendix No. I for this volume, "Zones of Stars Observed with the Meridian Circle in the years 1847, 1848, and 1849, by. Professor Major and Lieutenante Maynard and Muse," is early expected from the Congressional Printer for distribution.
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Página i - If they are not, the time and labour spent upon them are simply wasted ; and yet they are so much more easily made than reduced, that nothing is more common than to see them lie for years before the computations necessary to fit them for publication are completed. The Naval Observatory has been enabled to resuscitate from its store-rooms...
Página 31 - ... velocities as great as one hundred miles a second. One of these events has become classical. It occurred on the forenoon (Greenwich time) of September 1, 1859, and was independently witnessed by two well-known and reliable observers, Mr. Carrington and Mr. Hodgson, whose accounts of the matter may be found in the monthly notices of the Royal Astronomical Society for November, 1859. Mr. Carrington at the time was making his usual daily observation upon the position, configuration, and size of...
Página 28 - ... no instance was any such object found to accompany the planet. I think I may say, with considerable certainty, that there is no satellite within 2' of the planet, and outside of Oberon, having one-third the brilliancy of the latter ; and therefore that none of Sir William Herschel's supposed outer satellites can have any real existence. The distances of the four known satellites increase in so regular a way that it can hardly be supposed that any others exist between them. Of what may be...