Observing handbook and catalogue of deep-sky objects

A reference book on visual observation for serious amateur astronomers. Includes guidance to develop skills in visual observation of "deep sky" objects such as clusters, nebulae and galaxies, descriptions of over 2000 astronomical objects as viewed through telescopes up to 30cm (12 inch) aperture, and basic data (name, position, type/classification, brightness and constellation) for over 2800 objects described or mentioned in the main text.