 | William Chauvenet - Astronomical instruments - 1864 - 726 pages
...differences of declination fins, when the body is moving northward, and minus when it is moving southward. lu the above we have carried the computation to the utmost...ascension and declination of the sun at the time of Us transit oi'er a given meridian, and also the equation of time at (he same instant. When the sun... | |
 | William Chauvenet - 1864 - 720 pages
...of declination plus, »hen the body is moving northward, and minus when it is moving southward. In the above we have carried the computation to the utmost degree of precision ever necessary iu simple interpolation. 60. To find the right ascension and declination of the sun at the time of... | |
 | Thomas Liddell Ainsley - Merchant marine - 1875 - 416 pages
...nth at noon 49" H Con. for 9h 39m — 7 45 9'<>5 Bed. decl. 13 59 58 S. Correction 269. To find the declination of the sun at the time of its transit over a given meridian. When the sun is on a meridian in WEST longitude, the Greenwich apparent time is precisely... | |
 | Thomas Liddell Ainsley - 1880 - 482 pages
...S. ( — ) Corr. for 9h 39™ — 7 57 Reduced decl. 13 49 a S. 6,°)47,7'47 7'57 297. To find the declination of the sun at the time of its transit over a given meridian. When the sun is on a meridian in WEST longitude, the Greenwich apparent time is precisely... | |
 | John William Norie, J. W. Saul - Nautical astronomy - 1917 - 642 pages
...NAUTICAL ALMANAC AND ASTRONOMICAL EPHEMERIS - - - 236 The Nautical Almanac, 1914 Edition ; To find the Declination of the Sun at the time of its transit over a given Meridian, also the Equation of Time at the same instant ; To find the Declination and Right Ascension... | |
 | C.R. Kitchin - Science - 1995 - 292 pages
...cos"' (- tan 84 tan Ss) (12.8) where s is the obliquity of the ecliptic (23° 27') and a, and Ss are the right ascension and declination of the Sun at the time of the observation. 12.2 TRADITIONAL APPROACH TO RADIAL VELOCITY DETERMINATION The traditional approach... | |
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... instant. When the sun is on a meridian in west longitude, the Greenwich apparent time is precisely equal to the longitude, that is, the Gr. 