Stephen F. Tonkin – författare
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3 produkter
3 produkter
Häftad, Engelska, 2006
332 kr
Skickas inom 3-6 vardagar
This book contains everything an astronomer needs to know about binocular observing. The book takes an in-depth look at the instruments themselves. It has sections on evaluating and buying binoculars and binocular telescopes, their care, mounting, and accessories. In addition there is a selection of fifty fine objects to be seen with 50mm and 100mm binoculars. The advantages of using both eyes for astronomical observing are many and considerable, largely because of the way the human brain processes visual information. This book enables the astronomer to maximize those advantages.
Häftad, Engelska, 2000
232 kr
Skickas inom 10-15 vardagar
This clear easy-to-understand book helps "new" amateur astronomers by answering the most frequently asked questions. The idea is to quickly take the reader to a level of expertise significantly higher than that provided by general books. Each chapter is on a different subject, from what to buy through to how to use it and what to look at. The tips and techniques are applicable to all telescope users.
Häftad, Engelska, 2002
496 kr
Skickas inom 10-15 vardagar
Because today's amateur astronomical telescopes are both powerful and affordable, spectroscopy - once the province of professionals - is becoming more and more popular. Various spectroscopes, at prices to suit everyone, are now available "off the shelf". Practical Amateur Spectroscopy contains everything an amateur needs to grasp the basic principles, to begin observing, and to understand just what the spectra show. Contributions by leading practical amateurs from America and Europe cover a very wide range of amateur equipment and techniques. One even describes how an audio CD can be used to show solar emission and absorption lines!