New and updated edition of advanced undergraduate or beginning graduate textbook on observational astronomy.

Astronomy is fundamentally an observational science and as such it is important for astronomers and astrophysicists to understand how their data are collected a

A Practical Guide to Observational Astronomy provides a practical and accessible introduction to the ideas and concepts that are essential to making and analyzi

With a lively yet rigorous and quantitative approach, this textbook introduces the fundamental topics in optical observational astronomy for undergraduates. It

For the last twenty years astronomy has been developing dramatically. Until the nineteen-fifties, telescopes, spectrometers, and photographic plates consti tute