glenc
13-12-2008, 05:58 PM
There are plenty of books on this topic but this is a good one. Ronald Stoyan is a great observer.
Atlas of the Messier Objects, Highlights of the Deep Sky by Ronald Stoyan
http://www.cambridge.org/us/catalogue/catalogue.asp?isbn=9780521895545
Atlas of the Messier Objects, Highlights of the Deep Sky by Ronald Stoyan
http://www.cambridge.org/us/catalogue/catalogue.asp?isbn=9780521895545