Night Sky Observer's Guide Volume 3: The Southern Skies Globes and the extensive star-forming region

and the extensive star-forming region IC 1805

Calibrate your telescope so that you know exactly how much sky you see through your finder and through the eyepiece of your telescope

by eliminating the vagaries of shadow cutoff estimation (except at the very edge of a tested mirror)

The puzzle’s small pieces may pose a possible choking hazard

38 photographs

Night Sky Observer's Guide Volume 3: The Southern Skies Globes and the extensive star-forming regionBy George Robert Kepple, Ian Cooper and Jenni Kay The original purpose of The Night Sky Observers Guide was to close the gap between observing literature and modern optics. It provided the owner of a medium or large aperture telescope with some idea of what to look for in such instruments both what objects can be seen, and what details may be seen within these objects. Now, with four volumes, it has become an indispensable resource for observing. The