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发表于2024-11-08
The Urban Astronomer's Guide pdf epub mobi txt 电子书 下载 2024
This book covers the "why," "how," and "what" of astronomy under light-polluted skies. The prospective city-based observer is told why to observe from home (there are hundreds of spectacular objects to be seen from the average urban site), how to observe the city sky (telescopes, accessories, and moderns techniques), and what to observe. About half of the book is devoted to describing "tours" of the sky, with physical and observational descriptions, at-the-eyepiece drawings, and photographs.
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The Urban Astronomer's Guide pdf epub mobi txt 电子书 下载 2024