He began working full-time at San Fernando Observatory in 1978 before moving to NASA’s Jet Propulsion Laboratory in 1979.
Edberg became widely known when he organized and led the Amateur Observation Network of NASA’s International Halley Watch (IHW).
[1] Until his retirement from the organization in 2014, Edberg served as Executive Director of non-profit Riverside Telescope Makers Conference, Inc., leading the team that brings the annual RTMC Astronomy Expo, held each May in Big Bear, California, to hundreds of amateur astronomers from across the western USA and beyond from 1993-2014.
[4] Edberg is also a credentialed part-time vocational teacher in Aerospace Studies in California, having taught astronomy at La Cañada High School since 1993.
He co-authored with David H. Levy Observing Comets, Asteroids, Meteors, and the Zodiacal Light, published by Cambridge University Press.