This book offers explanatory material,supplemental information, and detailed descriptions used to produce The Astronomical Almanac, an annual publication prepared jointly by the US Naval Observatory and HerMajesty's Nautical Almanac Office in the UK.

This book offers explanatory material,supplemental information, and detailed descriptions used to produce The Astronomical Almanac, an annual publication prepared jointly by the US Naval Observatory and HerMajesty's Nautical Almanac Office in the UK.