標(biāo)題: Titlebook: Choosing and Using a Refracting Telescope; Neil English Book 2011 Springer Science+Business Media, LLC 2011 Amateur astronomical observing [打印本頁(yè)] 作者: 深謀遠(yuǎn)慮 時(shí)間: 2025-3-21 17:01
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作者: hemoglobin 時(shí)間: 2025-3-21 20:52
1431-9756 t only different classes of refractor but also different tel.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 telescope作者: Functional 時(shí)間: 2025-3-22 02:30
Book 2011thing 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作者: HAVOC 時(shí)間: 2025-3-22 07:21
1431-9756 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 popularity978-1-4419-6402-1978-1-4419-6403-8Series ISSN 1431-9756 Series E-ISSN 2197-6562 作者: Baffle 時(shí)間: 2025-3-22 12:15
https://doi.org/10.1007/978-1-4419-6403-8Amateur astronomical observing; Apochromatic refractors; Astronomical imaging; Astronomical webcams; Ast作者: 碳水化合物 時(shí)間: 2025-3-22 13:49
978-1-4419-6402-1Springer Science+Business Media, LLC 2011作者: 碳水化合物 時(shí)間: 2025-3-22 21:04
Neil EnglishProvides an in-depth look at classic and contemporary refractors from many different manufacturers, and explains how to use them Compares not only different classes of refractor but also different tel作者: rectum 時(shí)間: 2025-3-23 01:17 作者: occult 時(shí)間: 2025-3-23 03:02 作者: MAZE 時(shí)間: 2025-3-23 08:43
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