Since the 1976 publication of his first version of The American Ephemeris, 1931-1980, Neil F. Michelsen’s ground-breaking series of ephemerides have consistently set standards for accuracy in astrology, becoming indispensable…

For astrologers who study midpoints, this new 15-year ephemeris will be a must have.
Rique Pottenger has revised and updated the programming of the late Neil F. Michelsen’s prior versions…