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This book looks at the performance limitations of telescopes, the reasons for them, and how to overcome them with new and emerging technology. It covers many questions of interest that often puzzle amateur astronomers such as -Why does my telescope not show me the "pretty pictures" that I see on websites and telescope boxes?-Why do larger telescopes make stars but not galaxies brighter?-What are the limitations of the human eye, and how can they be overcome?-Why are stars that are larger and brighter than the Sun so dim in the night sky?-Why do I need an eyepiece at all with my telescope, since my eye has a lens in it?-Why can I see things like galaxies at all when catalogs say that they have surface brightness of magnitude 22?-Why do stars look big on photographs, but not when I view them in the night sky?-How do I estimate how large star images will become?-How faint an object can I see or image, and how long will it take?-What are the trade-offs when choosing a telescope?-What should I look for in eyepieces?The book includes many graphs to explain technical points and make it easier for readers to apply the results obtained in the text. It summarizes the main points for each chapter, and includes summary charts for important formulas. It also includes many photographs to further illustrate both the technical points and what can be done by amateur astronomers of various skill levels. The main thrust of the book is to show that limitations of the human visual system push us to use modern digital imaging technology to achieve our goal of great views of astronomical objects at the telescope ("Electronically Enhanced Astronomy").
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Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.