Every year large numbers of people take up the study of astronomy, mostly at amateur level. Astronomy Explained provides a comprehensive treatment of the subject in more depth than... Læs mere
A welcome guide to more advanced work in amateur astronomy, first published in 1997. Covers telescope optics and hardware, electronic imaging and astrophotography, photometry,... Læs mere
This complete practical guide instructs amateur astronomers in observing and monitoring variable stars and other objects of variable brightness.... Læs mere