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Choosing And Using A Refracting Telescope

Choosing And Using A Refracting Telescope
Author: Neil English
Publisher: Springer Science & Business Media
ISBN: 9781441964038
Size: 75.45 MB
Format: PDF, ePub, Mobi
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Choosing and Using a Refracting Telescope has been written for the many amateur astronomers who already own, or are intending to purchase, a refracting telescope – perhaps to complement their existing arsenal of larger reflecting telescopes – or for the specialist who requires a particular refractor for serious astronomical applications or nature studies. Four hundred year ago, during the winter of 1609, a relatively unknown Italian scientist, Galileo Galilei designed a spyglass with two crude lenses and turned it skyward. Since then, refractors have retained their dominance over all types of reflector in studies of the Moon, planets and double stars because of the precision of their optics and lack of a central obstruction in the optical path, which causes diffraction effects in all commercially-made reflectors. Most mature amateur astronomers got started with a 60mm refractor, or something similar. Thirty years ago, there was little choice available to the hobbyist, but in the last decade long focus crown-flint achromats have moved aside for some exquisitely crafted apochromatic designs offered by leading commercial manufacturers. There has been a huge increase in the popularity of these telescopes in the last few years, led by a significant increase in the number of companies (particularly, William Optics, Orion USA, StellarVue, SkyWatcher and AstroTech) who are now heavily marketing refractors in the amateur astronomical magazines. In Choosing and Using a Refracting Telescope, well-known observer and astronomy writer Neil English celebrates the remarkable history and evolution of the refracting telescope and looks in detail at the instruments, their development and their use. A major feature of this book is the way it compares not only different classes of refractor, but also telescopes of each class that are sold by various commercial manufacturers. The author is perhaps uniquely placed to do this, having used and tested literally hundreds of different refracting telescopes over three decades. Because it includes many diverse subjects such as imaging with consumer-level digital cameras, imaging with webcams, and imaging with astronomical CCD cameras – that are not covered together in equal depth in any other single volume – Choosing and Using a Refracting Telescope could become the ‘refractor bible’ for amateur astronomers at all levels, especially those who are interested in imaging astronomical objects of every class.
Choosing and Using a Refracting Telescope
Language: en
Pages: 284
Authors: Neil English
Categories: Science
Type: BOOK - Published: 2010-09-28 - Publisher: Springer Science & Business Media
Choosing and Using a Refracting Telescope has been written for the many amateur astronomers who already own, or are intending to purchase, a refracting telescope – perhaps to complement their existing arsenal of larger reflecting telescopes – or for the specialist who requires a particular refractor for serious astronomical applications
Choosing and Using a Dobsonian Telescope
Language: en
Pages: 232
Authors: Neil English
Categories: Science
Type: BOOK - Published: 2011-07-25 - Publisher: Springer Science & Business Media
In the 1960's, American amateur astronomer, John Dobson, designed a revolutionary kind of astronomical telescope featuring a lightweight large-aperture reflecting system on a simple mounting, using the then-revolutionary material called teflon. The design combines simplicity and portability with large-aperture prowess. Thirty years later Dobsonians remain supreme for visually observing faint
Classic Telescopes
Language: en
Pages: 239
Authors: Neil English
Categories: Science
Type: BOOK - Published: 2012-08-30 - Publisher: Springer Science & Business Media
Classic telescopes are of interest to amateur astronomers for a variety of reasons. There are the dedicated collectors, but there are also many amateurs who love the nostalgia they inspire. These telescopes "feel" different from any contemporary telescope and perhaps have a unique ability to reconnect the owner to a
Grab 'n' Go Astronomy
Language: en
Pages: 245
Authors: Neil English
Categories: Science
Type: BOOK - Published: 2014-05-14 - Publisher: Springer
Like everyone else, most amateur astronomers live busy lives. After a long day or work or looking after young children, the last thing you want as an observer is to have to lug out a large telescope and spend an hour getting it ready before it can be used. Maybe
Chronicling the Golden Age of Astronomy
Language: en
Pages: 665
Authors: Neil English
Categories: Science
Type: BOOK - Published: 2018-10-31 - Publisher: Springer
The invention of the telescope at the dawning of the 17th century has revolutionized humanity's understanding of the Universe and our place within it. This book traces the development of the telescope over four centuries, as well as the many personalities who used it to uncover brand-new revelations about the
The ShortTube 80 Telescope
Language: en
Pages: 243
Authors: Neil T. English
Categories: Science
Type: BOOK - Published: 2019-09-14 - Publisher: Springer Nature
Welcome to the first comprehensive guide to one of the world’s most popular telescopes: the ShortTube 80 refractor. With its ultra-portability, versatility, and relatively low cost, this telescope continues to delight generations of stargazers. Starting in the field under a dark sky, the author walks the reader through a typical
Choosing and Using a Schmidt-Cassegrain Telescope
Language: en
Pages: 360
Authors: Rod Mollise
Categories: Science
Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media
Amateur astronomy is becoming increasingly popular, mostly because of the availability of relatively low-cost astronomical telescopes such as the Schmidt-Cassegrain and Maksutovs. The author describes what these instruments will do, how to use them, and which are the best - he draws on 25-years of experience with telescopes. There are
Choosing and Using a New CAT
Language: en
Pages: 345
Authors: Rod Mollise
Categories: Science
Type: BOOK - Published: 2020-05-22 - Publisher: Springer Nature
Catadioptric telescopes (CATs) such as the Schmidt Cassegrains remain popular among amateur astronomers for their ability to reveal thousands of beautiful deep-space wonders. Additionally, their computer-assisted capabilities allow them to automatically point to and track celestial objects, making astronomy accessible to more people than ever before. However, selecting the right
Space Telescopes
Language: en
Pages: 312
Authors: Neil English
Categories: Science
Type: BOOK - Published: 2016-11-08 - Publisher: Springer
Space telescopes are among humankind’s greatest scientific achievements of the last fifty years. This book describes the instruments themselves and what they were designed to discover about the Solar System and distant stars. Exactly how these telescopes were built and launched and the data they provided is explored. Only certain
Telescopes and Techniques
Language: en
Pages: 255
Authors: C. R. Kitchin
Categories: Science
Type: BOOK - Published: 2012-10-21 - Publisher: Springer Science & Business Media
“Telescopes and Techniques” has proved itself in its first edition, having become probably one of the most widely used astronomy texts, both for numerate amateur astronomers and for astronomy and astrophysics undergraduates. The first and second editions of the book were widely used as set texts for introductory practical astronomy