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Books Books 1 - 10 of 13 on To the hour angle thus found add the star's right ascension, and from the sum (increased....
" To the hour angle thus found add the star's right ascension, and from the sum (increased if necessary by 24 hours) subtract the right ascension of the mean sun ; the result (rejecting 24 hours if greater than 24 hours) will be ship mean time. "
Navigation and nautical astronomy. [Re-issue] containing an appendix - Page 59
by Robert Mills Inskip - 1871
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Navigation and Nautical Astronomy, for the Use of British Seamen

James Inman - Nautical astronomy - 1849 - 280 pages
...this astronomically, and add it (except for the sun) to the right ascension of mean sun. From the sum (increased if necessary by 24 hours) subtract the right ascension of the body : the remainder (diminished by 24 hours if greater than 24 hours) will be the hour angle of the....
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Nautical Tables, Designed for the Use of British Seamen

James Inman - 1849 - 399 pages
...is particularly useful in turning sidereal time into mean solar time as follows. From sidereal time, increased if necessary by 24 hours, subtract the right ascension of the sun at the preceding apparent noon. The remainder will be the interval between apparent noon and the...
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Navigation and nautical astronomy: the practical part, containing rules for ...

H. W. Jeans - Transportation - 1853 - 279 pages
...at bottom when east. To the hour angle thus fouiiu add the star's right ascension, and from the sum (increased if necessary by 24 hours) subtract the right ascension of the mean sun ; the result (rejecting 24 hours if great eithan 24 hours) will be ship mean time. Then proceed as in p....
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Navigation and nautical astronomy, Part 1

Henry William Jeans - Nautical astronomy - 1858
...at bottom when east. To the hour angle thus found add the star's right ascension, and from the sum (increased if necessary by 24 hours) subtract the right ascension of the mean sun ; the result (rejecting 24 hours if greater than 24 hours) will be ship mean time. Then proceed as in p....
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Navigation and nautical astronomy, Part 2

Henry William Jeans - Nautical astronomy - 1859
...west of meridian to take the angle from the top, and when east, from the bottom), and from the result subtract the right ascension of the mean sun ; the remainder will be ship mean time required" (adding or rejecting 24 hours, if necessary). EXAMPLES FOB PRACTICE. 53. Given...
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Azimuth Tables for Correcting Compass Courses and Bearings: Being the Sun's ...

F. Labrosse - Azimuth - 1868 - 153 pages
..."* 3rd. Add together the Mean Time at Ship and the corrected 4 n -t Sidereal Time ; from the sum, increased if necessary by 24 , ' hours, subtract the right ascension of the star ; the re- Hr^nsrie "ег •* mainder will be the star's hour angle West of the meridian....
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Navigation and nautical astronomy, Volume 2

Henry William Jeans - 1868
...west of meridian to take the angle from the top, and when east, from the bottom), and from the result subtract the right ascension of the mean sun; the remainder will be ship mean time required (adding or rejecting 24 hours, if necessary)." EXAMPLES FOR PRACTICE. 91. Given...
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Navigation and nautical astronomy, Volume 1

1870
...find mean time at slap. To the hour-angle thus found add the star's right ascension, and from the sum, increased if necessary by 24 hours, subtract the right ascension of the mean sun ; the remainder is mean time at the place at the instant of observation. 9. To find the longitude. Under ship mean...
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Nautical tables, revised by J.W. Inman

James Williams Inman - 1870
...is particularly useful in turning sidereal time into mean solar time as follows. From sidereal time, increased if necessary by 24 hours, subtract the right ascension of the sun at the preceding apparent noon. The remainder will be the interval between apparent noon and the...
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Nautical tables, revised by J.W. Inman. With Navigation and nautical ...

James Williams Inman - 1872
...this astronomically, and add it (except for the sun) to the right ascension of mean sun. From the sum (increased if necessary by 24 hours) subtract the right ascension of the body : the remainder (diminished by 24 hours if greater than 24 hours) will be the hour angle of the...
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