Set includes the following all books in like new excellent condition
Webb Society Deep-Sky Observer's Handbook
The Handbook is a series of independent volumes addressed to more-serious amateur astronomers. Each volume is complete and self-contained with respect to the subject it covers, presenting present-day knowledge about the class of objects under considera- tion, an explanation of practical observing methods (including the construction of such ancillary equipment as simple micrometers and spectroscopes)and a detailed catalog of objects for the amateur to locate and study.
Volume 1: Double Stars, Second Edition
ISBN 0-89490-122-2 (Published in 1986) Volume 2: Planetary and Gaseous Nebulae ISBN 0-89490-028-5 (Published in 1979)
Volume 3: Open and Globular Clusters ISBN 0-89490-034-X (Published in 1980)
Volume 4: Galaxies
ISBN 0-89490-050-1 (Published in 1981)
Volume 5: Clusters of Galaxies ISBN 0-89490-066-8 (Published in 1982)
Volume 6: Anonymous Galaxies ISBN 0-89490-133-8 (Published in 1987)
Volume 7: The Southern Sky ISBN 0-89490-134-6 (Published in 1987)
Volume 8: Variable Stars ISBN 0-89490-208-3 (Published in 1990)
Volume 8: Variable Stars
This book covers the variable starsthose that vary in brightness with respect to time"Variable stars are not usually classed as 'deep-sky objectsbut they are as demanding as double stars or star clusters for observation," notes author John EIsles
Part I first explains the history of variable-star observing, followed by sections on classification, physical description, and observing techniquesPart II then provides an extensive field guide of finding charts covering 110 variable stars. Most of these are suitable for visual observation.
As Dr. Nikolai N. Samus of the USSR Academy of Sciences says of this volume in his foreword, "this book giv[es] an excellent possibility for any interested person to make a real contribution to variable-star science."
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ISBN 0-89490-208-3