
When can you see fireballs & who should you contact if you spot one? When is it best to hunt for comets & meteors & whereabouts? How do you gauge the size of the coma in the head of a comet & estimate its degree of condensation? Clear & easy to use, this guide shows you how to make successful & valuable observations & records of comets, asteroids, meteors & the zodiacal light. For each topic the historical background & current scientific understanding support a wealth of observational techniques. Comet observers are shown techniques for search & discovery. They can learn how to make visual estimates of brightness & size, & how to make photographic studies of cometary heads & tails. Asteroid hunters will find a 'life list' of quarry & guidelines on how to search for these objects & then how to photograph or electronically image them. Fruitful photographic & electronic methods for studying meteors & meteor showers are provided. Visual & photographic techniques show you how to examine the often elusive zodiacal light.