Sky Atlas 2000.0 Companion: Descriptions and Data for All 2,700 Star Clusters, Nebulae and Galaxies Shown in Sky Atlas2000.0, 2nd Edition, by Wil Tirion and Roger W. Sinnott

This essential reference features an alphabetical listing of every deep-sky object - 2,700 in all - plotted in Sky Atlas 2000.0, 2nd Edition. Its main section lists each star cluster, nebula, and galaxy by name, includes descriptive remarks by well-known observers, and cross-references them to their chart numbers. A second section tabulates the objects and their properties by chart number. Both sections provide coordinates, object type, constellation, and apparent magnitude. With its comprehensive introduction, easy-to-use layout, and delectable morsels of information culled from many authoritative sources, this handy guide belongs, together with Sky Atlas 2000.0 itself, on every astronomer's bookshelf.