International Halley Watch Amateur Observers' Manual for Scientific Comet Studies: Part 1. Methods
Description:
Document describing the International Halley Watch, comets and observing techniques, and provides information on periodic Comet Halley's apparition for its 1986 perihelion passage. This is volume one of a two-part document.
Date:
March 1, 1983
Creator:
Edberg, Stephen J.
Partner:
UNT Libraries Government Documents Department