Planetary Nebulae and How to Observe Them is for amateur astronomers who want to go beyond the Messier objects, concentrating on one of the most beautiful class

The book describes the various forms these astronomical objects can take and explains why they are favorite targets for amateur observers. Descriptions of over

This book is for amateur astronomers who want to go beyond the Messier objects, concentrating on one of the most beautiful classes of astronomical object. It de

This book enables anyone with suitable instruments to undertake an examination of nebulae and see or photograph them in detail. Nebulae, ethereal clouds of gas

Planetary nebulae are the classic subject of astrophysics. The physical pro cesses occurring in this highly ionized gaseous medium, the formation of emis sion l