Norton's star atlas and reference handbook (Epoch 1950.0)

using computer techniques to achieve unprecedented accuracy. You'll find every object visible to the naked eye, as well as star clusters, galaxies, and other celestial objects. Norton's also includes indispensable observation hints and technical explanations, with pointers to other information sources. Whether you're using a telescope, binoculars, or just your eyes, Norton's is your guide to what's up there.