Backyard Astronomer's Guideby Terence Dickinson, Alan Dyer
An expanded and updated second edition of a basic reference for amateur astrophotographers including equipment recommendations, photographic techniques, digital photography, computerized telescopes and information on observing. See more details below
An expanded and updated second edition of a basic reference for amateur astrophotographers including equipment recommendations, photographic techniques, digital photography, computerized telescopes and information on observing.
The text builds though each successive chapter, describing today's plethora of binoculars, telescopes, mounts, eyepieces, and other accessories. We then move on to delve deeply into everything of interest in the sky, from the planets to deep-sky objects. The detailed yet accessible explanation of celestial mechanics should be required reading for everyone. The third part introduces digital astrophotography. Yes, digitalit starts out by stating that film is dead. This new section covers everything you need to get started taking pictures, including some useful parts of Adobe Photoshop. The Backyard Astronomer's Guide closes with a set of beautifully rendered charts of the Milky Way by Glenn LeDrew. Opposing pages display a color version and a labeled, black-on-white version plotted to magnitude 9. Dickinson and Dyer have brought their excellent guide further into the 21st century. I can't recommend it highly enough.
- Firefly Books, Limited
- Publication date:
- Edition description:
- Revised Edition
- Product dimensions:
- 9.75(w) x 11.38(h) x 0.92(d)
Read an Excerpt
INTRODUCTION A New Stargazer's Guidebook
There is something deeply compelling about the night sky. Those fragile, flickering points of light in the blackness beckon to the inquisitive mind. So it was in antiquity, and so it remains today. But only in the past decade have large numbers of people decided to delve into stargazing-recreational astronomy-as a leisure activity. Today, more than half a million people in North America call themselves amateur astronomers.
Not surprisingly, manufacturers have kept pace with the growth of the hobby, and there is now a bewildering array of telescopes and accessories to meet the needs of the hundreds of thousands of backyard astronomers. This development has produced a gap in the reference material available to stargazers, a gap that this book attempts to bridge.
WHAT THIS BOOK IS ABOUT
In our work as astronomy authors and communicators, we have encountered thousands of enthusiasts seeking tips on how to be backyard astronomers -- specifically, how to select the appropriate equipment, how to use it, how to avoid buying unnecessary gadgets and, most important, how to feel comfortable that they are using the equipment they have as well as they can.
The truth is, one can become a competent amateur astronomer with hardware no more sophisticated than binoculars combined with the appropriate reference material: this book, one or two star atlases, an annual astronomical almanac and as subscription to Astronomy or Sky & Telescope magazines. But most enthusiasts yearn to graduate to a telescope. Our main task in the following pages to act as your guides as you select and use the proper equipment and accessories for many enjoyable nights under the stars --in essence, this is a detail practical guide to getting the most out of the experience of night-sky watching.
In many respects, this book is a sequel to co-author Dickinson's NightWatch, which emphasizes preliminary material for the absolute beginner. NightWatch assumed no previous experience on the part of the reader. Here, we provide extensive reference material for enthusiasts who have decided that amateur astronomy is an activity worth pursuing, even though they may not yet own a telescope.
The best plan with any leisure activity is to become knowledgeable about the equipment before buy it. We provide that information with specific references to brands and items available on today's market. It is easy to be romanced by the technology and by glitzy high-tech advertising; we flag the unnecessary and the frivolous.
No single book, obviously, can do it all, and this one is no exception. However, before we started work on this project, we took a close look at the amateur-astronomy guidebooks already available. We saw certain subjects covered over and over again (the same constellation-by-constellation observing lists, for example), while some aspects of the hobby were consistently overlooked. With this in mind, we have concentrated on the areas we feel have been traditionally neglected or have only lately emerged as topics of interest.
In recent years, for instance, the Schmidt-Cassegrain telescope has become the most popular type of instrument for amateur astronomy, yet many references offer only one or two pages on the subject. In this book, we devote half of one chapter and parts of others to the Schmidt-Cassegrain. We detected a need for candor in discussions of commercial astronomy equipment, so we have tried to be as specific as possible about brand names, reporting what we do and don't like and why.
Prices of telescopes and other equipment quoted throughout are in 1993 U.S. dollars and are intended to serve as rough guides only. Prices in Canadian dollars are 25 to 40 percent higher, depending on current exchange rates and sales taxes.
With this book, we also wanted to dispel the misperception that one must be a computer whiz with a degree in astrophysics to use a telescope properly or to appreciate fully the wonders of the universe. Physics and computers are unnecessary baggage for personal exploration of the cosmos, and we have deliberately avoided extensive discussions of any such subjects. However, we do offer suggestions and Appendixes for anyone interested in topics that we chose not to include, such as telescope making.
Finally, a few words about the illustrations. All the celestial photographs reproduced in this book were taken by amateur astronomers. Most of the images have never been published before. Some of the photographs rival those taken with much larger telescopes at professional observatories, attesting to the skill and dedication of modern amateur astrophotographers. But beyond the technical achievements is the astonishing beauty that modern cameras, films and telescopes can capture. Many readers undoubtedly will be stirred by these pictures to attempt celestial photography for themselves. We devote three chapters to astrophotography, the major sub-hobby within recreational astronomy. We specifically attempted to display new pictures of familiar objects as well as state-of-the-art astrophotography. Other illustrations are intended to complement the main text. In most instances, the caption material is not contained within the main text and should be considered supplementary information.
THE LURE OF ASTRONOMY
For many enthusiasts, the canopy of stars is almost tranquilizing. One member of a husband-and-wife team described it thus: "Astronomy is one of the few hobbies that lets you get completely away from it all. It opens your mind, everyday problems fade, and you don't even notice the time -- or the cold. One night, we tape-recorded our viewing session, then replayed it the next day and heard ourselves saying over and over, 'Oh, wow! Look at that,' as we took turns at the telescope. It was really beautiful."
Whatever their passion, all amateur astronomers agree that a major threshold in the hobby is the magical night when the sky ceases to be a trackless maze of glittering points and begins to transform itself in the mind of the observer into the real universe of planets, stars, galaxies and nebulas with names, distances, dimensions and a powerful aura of mystery. Once that happens, there is no turning back. The night sky becomes an infinite wonderland waiting to be explored.
Terence Dickinson and Alan Dyer
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