Download or read book Sky Catalogue 2000.0: Volume 2, Galaxies, Double and Variable Stars, and Star Clusters written by Alan Hirshfield and published by Cambridge University Press. This book was released on 1985-04-26 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a standard reference work for telescope users which gives positional and other data for galaxies, double and variable stars, and star clusters. This companion to Volume One includes comprehensive tables on 20,000 objects. Comprehensive treatment is given for each object: position for epoch 2000.0, magnitudes in the UBV photometric system; color index; surface brightness and Hubble classification for galaxies; and many other characteristics. This is a re-issue of a book first published in 1985 which has been out-of-print for several years. It has been made available again in response to many requests from users of Sky Catalogue 2000.0 Volume 1.