The book presents a practical guide to using a small astronomical telescope of a size that corresponds to most “first” telescopes – around 75 to 150 mm, i.e. 3 to 6 inches, in diameter.

The book presents a practical guide to using a small astronomical telescope of a size that corresponds to most “first” telescopes – around 75 to 150 mm, i.e. 3 to 6 inches, in diameter.