"Emphasizing the underlying unity of all astronomical observations, Astrophysical Techniques, Fifth Edition provides a coherent state-of-the-art account of the instruments and techniques used in current astronomy and astrophysics. The fifth edition of this text includes many new instruments and techniques while removing some that have long been unused by both professional and amateur astronomers." "By covering the instruments, techniques, theory, and data processing of astrophysics in sufficient depth, this text forms a thorough grounding for beginners and is a handy reference for more advanced students and professionals."--Jacket.