 | John Hamilton Moore - 1791 - 578 sider
...Afcenfion be greatefl, add 14 Hours to the Star's Right Afcenfion, and then fubtraä the Sun's from it, the Remainder will be the Time of the Star's coming to the Meridian. When the Sun's Right Afcenfion is leaft, the Star comes to the Meridian in the Afternoon, but before... | |
 | John Hamilton Moore - 1810 - 662 sider
...ascension be greatest, add 21 hours to the star's right ascension, and then subtract the sun's from it, the remainder will be the time of the star's coming to the meridian. • 21: EXAMPLE I. At what time will the star Arctnrus be on the meridian of Greenwich, Dec. 1, 1810?... | |
 | Edward Bruce (bookseller.) - 1821 - 418 sider
...Subtract the sun's right ascension from that of the given star (both being expressed in time), and the remainder will be the time of the star's coming to the meridian. If the right ascension of the sun be greater than that of the star, add to it 24 before you begin to... | |
 | 1821 - 708 sider
...having previously increased the latter by 24 hours when the sun's right ascension is the greatest ; the remainder will be the time of the star's coming to the meridian. If the remainder be greater than 12 hours, (lie star will come to the meridian after midnight ; but... | |
 | Nathaniel Bowditch - 1826 - 764 sider
...having previously increased the latter by 24 hours when the sun's right ascension if the greatest ; the remainder will be the time of the star's coming to the meridian. If the remainder be greater than 12 hours, the star will conic to t.rj meridian after midnight ; but... | |
 | Nathaniel Bowditch - 1826 - 732 sider
...having previously increased the latter by 24 hours when the sun's right ascension is the greatest ; the remainder will be the time of the star's coming to the meridian. If the remainder be greater than 12 hours, the star will come to the meridian after midnight ; but... | |
 | Edward Bruce (bookseller.), John Bruce - 1846 - 398 sider
...stars. Subtract the sun's right ascension from that of the star, (both being expressed in time,) and the remainder will be the time of the star's coming to the meridian. Required the lat. I. Taurus, 0. 2. Pollux. 3. Regulus. 4. Scorpio, $. 5. Markab. 6. Atair. 7. Arided.... | |
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... the greatest ; the remainder will be the time of the star's coming to the meridian. If the remainder be greater than 12 hours, the star will come to the meridian after midnight ; but if less than 12 hours, before midnight. 