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
The publication in English of this monograph seems to me to indicate the ever increasing interest of astrophysicists in the physical and dynamical problems of p
Charles Messier's catalog of nebulae and star clusters, published in 1784, marked the start of a new era of deep-sky astronomy. Today, this tradition of observi