Excerpt from The Nautical Almanac and Astronomical Ephemeris for the Year 1845 The Perturbations of Longitude and Radius Vector produced by each of the Planets, enus, mars, jupiter, and Saturn, have been computed accurately from the Tables for rery loth day of the year; the Sums then interpolated with second difl'crenccs for my sth day, and thence the daily perturbations by simple proportion. The other m. Of the calculations have been performed independently for every Mean Noon. Fie latitude of the Sun, depending on the attraction of the Moon, was computed never-y day, and that part depending upon the Planets, Venus and Jupiter, was Rained for each tenth day and interpolated. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.