Astronomical Almanac for the Year 2015 and Its Companion: The Astronomical Almanac Online: Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications.

摘要

Prepared for 2015 jointly with Her Majesty's Nautical Almanac Office, United Kingdom Hydrographic Office. Designed in consultation with other astronomers of many countries. Provides current, accurate astronomical data for use in the making and reduction of observations and for general purposes. The Astronomical Almanac Online extends the printed version by providing data best presented in machine-readable form. Online data are provided for several years. Contains data for astronomy, space sciences, geodesy, surveying, navigation, and other applications.