Stephen J. Edberg

· 8 obras en el catálogo

Obras

MManuale IHW

Manuale IHW

Observing Comets Asteroids Meteors And The Zodiacal Light

OObserving Eclipses

Observing Eclipses

RResearch Amateur Astronomy. Proceedings of the Symposium on

Research Amateur Astronomy. Proceedings of the Symposium on Research Amateur Astronomy 7 - 12 July 1991 La Paz, Baja California Sur, Mexiko.

OObserve comets

Observe comets

Observing comets, asteroids, meteors, and the zodiacal light

RResearch Amateur Astronomy

Research Amateur Astronomy

International Halley watch amateur observers' manual for scientific comet studies