The Nautical Almanac and Astronomical Ephemeris for the Year ...

Front Cover
order of the Lords Commissioners of the Admiralty, 1769 - Nautical almanacs
0 Reviews

What people are saying - Write a review

We haven't found any reviews in the usual places.

Selected pages


Other editions - View all

Common terms and phrases

Popular passages

Page 165 - Star refpeetively, the Mean of the Refults is to be taken as probably approaching neareft to the true Longitude. In particular the Moon's...
Page 165 - Diftancee of ao and 40 from the Sun, her Diuance is computed only from a Star on the contrary Side that the Sun is. When ihe is between the Diftances of 40 and 90 from the Sun, her Diftance is computed both from the Sun and from a Star on the contrary Side to the Sun ; when the Moon is above 90 from the Sun her Diftance is computed from Two Stars, one on each Side of her ; though ftill her Diftance is computed alfo from the Sun from 90 to 120.
Page 165 - JEphemeris, always within a Degree, and generally much nearer, yet it will conduce to ftill greater Accuracy, if the Obferver takes the Diftance of the Moon from Two Stars, or the Sun and a Star, or, when the Moon is between 90 and 120...

Bibliographic information