Binocular Astronomy
Binoculars have, for many, long been regarded as an “entry level” observational tool, and relatively few have used them as a serious observing instrument. This is changing! Many people appreciate the relative comfort of two-eyed observing, but those who u
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Binocular Astronomy
Second Edition The Patrick Moore
The Patrick Moore Practical Astronomy Series
For further volumes: http://www.springer.com/series/3192
Binocular Astronomy
Stephen Tonkin
Second Edition
Stephen Tonkin Fordingbridge Hampshire, UK
ISSN 1431-9756 ISBN 978-1-4614-7466-1 ISBN 978-1-4614-7467-8 (eBook) DOI 10.1007/978-1-4614-7467-8 Springer New York Heidelberg Dordrecht London Library of Congress Control Number: 2013941879 © Springer Science+Business Media New York 2007, 2014 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. Exempted from this legal reservation are brief excerpts in connection with reviews or scholarly analysis or material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Duplication of this publication or parts thereof is permitted only under the provisions of the Copyright Law of the Publisher’s location, in its current version, and permission for use must always be obtained from Springer. Permissions for use may be obtained through RightsLink at the Copyright Clearance Center. Violations are liable to prosecution under the respective Copyright Law. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. While the advice and information in this book are believed to be true and accurate at the date of publication, neither the authors nor the editors nor the publisher can accept any legal responsibility for any errors or omissions that may be made. The publisher makes no warranty, express or implied, with respect to the material contained herein. Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com)
Dedication
This book is for Ali and Bella. May you never lose your fascination with the natural world.
Preface
Several years ago, a combination of age and abuse finally took its toll on my back and it became increasingly uncomfortable to use an equatorially mounted telescope for visual astronomy. I considered the option of setting up a system whereby I could operate a telescope remotely from the warmth and comfort of my study and see the resulting images on my computer screen. Almost immediately it became blindingly obvious to me that, while this is a pleasurable option for many amateur astronomers, it was not one that suited me. To do so would take me more into the realms of what some call “serious” amateur astronomy,
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