American Ephemeris for the 20th Century: 1900 to 2000 at Noon;

No astrologer's library can be complete without the ephemeris with the latest data from NASA's Jet Propulsion Laboratory. The American Ephemeris is the most accurate ephemeris in the world today. In addition to planetary positions for every day in the entire 20th century, it includes a wealth of data including solar and lunar eclipses, an aspectarian of Jupiter through Pluto, Chiron, Synetic Vernal Point, Moon phases and more.