Astronomical Almanac for the Year 2016 and Its Companion, The Astronomical Almanac Online
Official publication prepared jointly with Her Majesty’s Nautical Almanac Office of the United Kingdom Hydrographic Office and the United States Naval Observatory’s Nautical Almanac Office. Designed in consultation with other astronomers of many countries, it provides current, accurate astronomical data for use in the making and reduction of observations and for general purposes. The Astronomical Almanac Online extends …