Star Clusters and How to Observe Them by Mark Allison
English | 2005 | ISBN: 1846281903 | 211 pages | PDF | 4,6 MB
ASTRONOMERS’ OBSERVING GUIDES provide up-to-date information for amateur astronomers who want to know all about what it is they are observing. This is the basis of the first part of the book. The second part details observing techniques for practical astronomers, working with a range of different instruments.