 On very rare occasions an emersion might be seen in the east, or an immersion in the west, when this difference is a few minutes less than an hour. 3. The Sun must not be much more than an hour above the horizon at the local mean time T—\, unless the...  Congressional Serial Set - Page 5091895Full view - About this book
 | United States Naval Observatory. Nautical Almanac Office - 1950 - 690 pages
...of the place. 2. The quantity H-\, taken without regard to sign, must be less than the scm diurnal arc of the star by at least one hour. On very rare occasions an emersion migl be seen in the east, or an immersion in the west, when this difference is a few minutes le than... | |
 | 1883 - 558 pages
...limiting parallels in the last columns must include the latitude of the place. 2. The quantity H — A, taken without regard to sign, must be less than the...least one hour. On very rare occasions an emersion mignt be seen in the east horizon, or an immersion in the west, when this difference is a few minutes... | |
 | Charles Leander Doolittle - 1883 - 666 pages
...last column i ust include the latitude of the place. 2. The hour-angle H — \, taken without reg. d to sign, must be less than the semidiurnal arc of the star; in other word the star must be above the horizon. 3. The sun must be below the horizon, or at h -st... | |
 | United States Naval Observatory. Nautical Almanac Office - 1884 - 556 pages
...limiting parallels in the last columns must include the latitude of the place. 2.The quantity H @ I, taken without regard to sign, must be less than the...semi-diurnal arc of the star by at least one hour. On veiy rare occasions an emersion might be seen in the east horizon, or an immersion in the west, when... | |
 | United States. Congress. House - 1885 - 558 pages
...The limiting parallels in the lost columns must include the latitude of the place. ÍÍ. The quantity H — )., taken without regard to sign, must be less...semi-diurnal arc of the star by at least one hour. On veiy rare occasions an emersion might be seen in the east horizon, or an immersion in the west, when... | |
 | Charles Leander Doolittle - 1885 - 666 pages
...limiting parallels of the last column must include the latitude of the place. 2. The hour-angle H — A, taken without regard to sign, must be less than the semidiurnal arc of the star; in other words, the star must be above the horizon. 3. The sun must be below the horizon, or at least... | |
 | United States Naval Observatory. Nautical Almanac Office - 1887 - 556 pages
...The limiting parallels in the last columns must include the latitude of the place. 2. The quantity H — ¿, taken without regard to sign, must be less...semi-diurnal arc of the star by at least one hour. On veiy rare i.ccasions an emersion might be seen in the east horizon, or an immersion in the west, when... | |
 | United States Naval Observatory. Nautical Almanac Office - 1889 - 558 pages
...place. ЕРЯ У2 — 33 — 4 2. The quantity H — /, taken without regard to sign, must be lest than the semi-diurnal arc of the star by at least...or an immersion in the west, when this difference ¡sa few minutes less than an hour. 3. The sun must not be much more than an hour above the horizon... | |
 | 1891 - 568 pages
...forming the definitive table. The table thus formed will be called Table I. 2. The quantity H — I, taken without regard to sign, must be less than the semi-diurnal arc 'the star by at least one hour. On very rare occasions an emersion might be seen in the east >rizon,... | |
 | United States Naval Observatory. Nautical Almanac Office - 1892 - 556 pages
...be visible. The conditions of possible visibility are: — 2. The quantity H — Я, taken withont regard to sign, must be less than the semi-diurnal arc of the star by at least one honr. On very rare occasions an emersion might be seen in the east horizon, or an immersion in the... | |
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