Description: Coeli Stella 2000 lets you examine realistic skies in real time. It includes an observing log, a live ephemeris, a location browser, and a sophisticated search embracing planets, comets, DSOs and more than 15,500 stars. Effects include scintillation, extinction, refraction, and precession in point-source, photo plate, and spotlight display modes, with the complete Messier catalog in image icons. This version includes a fully-integrated hypertext guide to the solar system and makes available a comprehensive astronomical glossary.