Astronomer's Eyepiece Companion "The Practical Astronomer's Deep-sky Companion is an essential item of equipment for all deep-sky observers, whether they are interested in imaging or just sightseeing." "Designed to be taken out into the field during observing sessions, it provides essential detailed, concentrated information for finding, observing and imaging the most interesting deep-sky objects." The book is organised by constellation. Each spread features images, information, position, locator maps, recommended exposure times for telescopes of various apertures, and much more! All the objects in this book are visible in medium-to-large aperture amateur telescopes.
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