The techniques of visual, photographic and photoelectric measurement of variable stars are accompanied by specific examples of the type of scientific results th
Excerpt from An Introduction to the Study of Variable Stars During the past few years the subject of variable stars has become increasingly interesting to the a
David Levy's entertaining, well-researched book is aimed at the amateur enthusiast who likes to learn enjoyably. Beginning with advice on binoculars and telesco
Observing variable stars is one of the major contributions amateur astronomers make to science. There are 36,000 variable stars listed in the General Catalogue
Long-term monitoring is of fundamental significance in solving many important problems in astrophysics and, furthermore, has unequalled value in extending obser