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 presents an up-to-date detailed description and categorisation of the large range of astronomical objects that fall under the general heading of nebul

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

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