This comprehensive sky guide includes a short introduction to observing, a thorough description of the star charts and tables, a glossary and much more. Geared to both the beginner and seasoned observer, the Atlas contains star charts and information for all those who observe the night sky with small telescope, binoculars or the unaided eye. The updated Third edition offers 32 new pages with images of all 250 nebulae covered in the atlas; an updated sky calendar for the next 20 years, double star ephemerides from 2005-2020, and updated minima/maxima of variable stars.