This is a guide to the use of the most popular telescope in the world, the 20-cm (8-in) Schmidt-Cassegrain Telescope. This compact instrument revolutionized amateur astronomy and astrophotography, and more than ten thousand are purchased each year. Peter Manly, a devotee and keen user of the Schmidt-Cassegrain, takes the telescope owner through all aspects of using the telescope in easy stages.Contents:History and development of the 20-cm Schmidt-Cassegrain;First observation - the Moon;Planets, double stars and other bright things;Deep sky;A couple of interesting problems;Some accessories for the telescope;Observing with friends;Projects;Photography;Photometers, computers, image intesifiers and television;и 10 полезных приложений с источниками информации, каталогами, практическими советами.Пропущено около 30 страниц в разных местах.