1st Edition

Visual Astronomy with a Small Telescope

By Sean G. Ryan Copyright 2025
196 Pages 7 Color & 74 B/W Illustrations
by CRC Press

196 Pages 7 Color & 74 B/W Illustrations
by CRC Press

196 Pages 7 Color & 74 B/W Illustrations
by CRC Press

This is a practical guide to using a small astronomical telescope of a size that corresponds to most “first” telescopes – around 75-150 mm, i.e. 3-6 inches, in diameter. Visual Astronomy with a Small Telescope  is for people who are sufficiently interested in astronomy to have purchased a small telescope or received one as a gift, but who are still developing experience of using one. They may... Read more

Chapter 1: Introduction. Chapter 2: Understanding Your Telescope. Chapter 3: Planning Your Observations. Chapter 4: Observing and Locating Targets Visually with a Small Telescope. Chapter 5: Charts of Targets for Visual Astronomy with a Small Telescope. Bibliography and Index.

Biography

Sean Ryan is a professional astronomer with almost fifty years’ experience as an amateur observer. He was appointed Professor of Astrophysics at the University of Hertfordshire in 2006, where he was Head and Dean of the School of Physics, Astronomy and Mathematics for ten years. He has published over 100 research papers on observational astronomy, and has co-authored several textbooks.

'If you’ve recently bought your first small telescope or are thinking about buying one, Visual Astronomy with a Small Telescope is just the book to help get you started in your new observing journey. Written by Sean G Ryan, professor of astrophysics at the University of Hertfordshire, who has almost 50 years of experience as an amateur astronomer, this practical guide will assist anyone using or thinking about buying a telescope with an aperture 3–6 inches (75mm–150mm) in diameter.

This small, invaluable paperback is not for complete beginners, but rather for those who have a sufficient interest and some experience observing the night sky, who want to progress their observing skills and look further afield through a small telescope.'

- Katrin Raynor, BBC Sky at Night Magazine, November 2024.