Night Sky Observer's Guide Volume 1: Autumn and Winter Not Shipbob understanding its place in our

understanding its place in our Galaxy by its distance and much else

for over 106 years a refractor design has been available that is totally free of harmful color defects

There are several programs

500 deep-sky objects color-coded by type

This book has been written for the Amateur Telescope Maker (ATM) one who grinds

Night Sky Observer's Guide Volume 1: Autumn and Winter Not Shipbob understanding its place in ourBy George Robert Kepple and Glen Sanner. 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 Night Sky