 | Andrew Mackay - Latitude - 1809 - 412 pages
...ascension, according as it was observed in the western or eastern hemisphere, the sum or remainder will be the right ascension of the meridian. From...if necessary, subtract the Sun's right ascension, as given in the Nautical Almanac, for the noon of the proposed day ; the remainder will be the approximate... | |
 | Nautical astronomy - 1821 - 708 pages
...when the star is east of the meridian, or adding; when west of the meridian, the sum or difference will be the right ascension of the meridian. From...ascension of the meridian (increased by 24 hours if neces* The right ascensions and declinations of the rtara in Table V11I. are the mean values forJanif«ry... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 764 pages
...when the star is east of the meridian, or adding when west of the. meridian, the sum or difference will be the right ascension of the meridian. From...hours if necessary) subtract the sun's right ascension at noon at Greenwich, taken from • The right ascensions and declination« of the stare in Table VIII.... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 732 pages
...adding when west of the meridian, the sum or difleronce will be the right ascension of the meridiafl. From the right ascension of the meridian (increased...hours if necessary) subtract the sun's right ascension at noon at Greenwich, taken from XLIU ; but in general these corrections may he neglected. These correction»... | |
 | William Galbraith - Astronomy - 1834 - 454 pages
...the time of observation it is west of the meridian, but subtract it if east, and the sum or remainder will be the right ascension of the meridian. From...if necessary, subtract the sun's right ascension, reduced to the time of observation, and the remainder will be the apparent time. If to this time the... | |
 | John William Norie - Nautical astronomy - 1836 - 510 pages
...if the star be to the eastward, the sum or remainder will be the right ascension of the meridian. 6. From the right ascension of the meridian, increased by 24 hours if necessary, subtract the sun's reduced right ascension ; and the remainder will be the apparent time of observation at the meridian... | |
 | Nathaniel Bowditch - 1846 - 854 pages
...when the moon is cast of the meridian, or adding when west of the meridian ; the sum or difference will be the right ascension of the meridian. From the right ascension of the meridian (increased by 34 hours if necessary) subtract the sun's right ascension ; the remainder will be the apparent time... | |
 | American Association for the Advancement of Science - 1855 - 396 pages
...difference between the hour-angle and the star's RA, when it is east of it ; the sum or difference will be the right ascension of the meridian. From...(increased by 24 hours if necessary) subtract the sun's rig/it ascension, the remainder will be the apparent time. Example II. In latitude 35° N., when the... | |
 | James Gordon (Teacher of Navigation.) - 1849 - 260 pages
...subtract the meridian distance of the star, the remainder is the right ascension of the meridian ; and, if from the right ascension of the meridian, (increased by 24 hours, if necessary) we subtract the sun's right ascension, the remainder is the distance of the sun to the westward of... | |
 | James Gordon (teacher of navigation.) - 1849 - 218 pages
...subtract the meridian distance of the star, the remainder is the right ascension of the meridian ; and, if from the right ascension of the meridian, (increased by 24 hours, if necessary) we subtract the sun's right ascension, the remainder is the distance of the sun to the westward of... | |
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... will be the right ascension of the meridian. From the right ascension of the meridian (increased by 24 hours if necessary) subtract the sun's right ascension... 
