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For the majority of amateur astronomers, who live at the latitudes of North America, the British Isles and Australia, the aurora is a relatively infrequent visitor to the night sky. Major displays visible to the southern United States or the south of England occur perhaps 20 times in each 11-year sunspot cycle. When they occur, such auroral storms are a source of great interest and excitement.

A number of books highlighting the impact of auroral/geomagnetic storms on communications and satellite technology have appeared in recent years . None, however, has addressed the...

Many books cover permanent astronomical objects, but few consider transient, out-of-the-ordinary astronomical phenomena. This book covers a wide range of topics, from the partly-predictable to the totally unpredictable. At one end: of the scale, it gives advice on the best ways to observe meteors, and at the other end:, it describes the best methods for undertaking painstaking searches for new comets and supernovae. The book also includes material about phenomena that occur in the lower atmosphere, such as "ozone eaters," nacreous clouds, and solar and lunar halos