A column of hourly differences enables the computer to obtain the sun's longitude for any hour from noon. The hourly differences of the logarithm of the radius vector are likewise given. The latitude is referred to the ecliptic of the date. The last column... The American Ephemeris and Nautical Almanac - Page 706by United States Naval Observatory. Nautical Almanac Office - 1911Full view - About this book
| United States. Congress. House - 1885 - 558 pages
...headed /i and /'; Я representing the sun's longitude counted from the true equinox of the date; and /', the same co-ordinate counted from the mean equinox of the beginning of the year, (January Od.O). A column of hourly differences enables the computer to obtain the sun's longitude... | |
| 1895 - 578 pages
...Д and А'; И representing the sun's longitude counted from the true equinox of the date; and Д', the same co-ordinate counted from the mean equinox of the beginning of the year, (January id.o). A column of hourly differences enables the computer to obtain the sun's longitude... | |
| 1898 - 580 pages
...Л and ).'; Я representing the sun's longitude counted from the true equinox of the date; and ).', the same co-ordinate counted from the mean equinox of the beginning of the year, (January od.o). A column of hourly differences enables the computer to obtain the sun's longitude... | |
| 1912 - 554 pages
...July 12, 22 4 26. 84 Page III contains, for Greenwich mean noon of each day, The Sun's True Longitude and Latitude, and the Logarithm of the Radius Vector...The last column on page III contains the Mean Time oj Sidereal Noon; that is. the number of hours, minutes, and seconds after Greenwich mean noon when... | |
| United States Naval Observatory. Nautical Almanac Office - 1872 - 554 pages
...and // ; of which, Я, is the sun's longitude counted from the true equinox of the date ; and x' is the same coordinate counted from the mean equinox of the beginning of the year. Л column of hourly differences enables the computer to obtain the sun's longitude for any hour... | |
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