Nutrient
发表于 2025-3-27 00:19:01
https://doi.org/10.1007/978-3-322-98665-8llent first serious telescope-making project. If you chose the components carefully you will have a rich-field instrument capable of reaching many extended objects and some wonderful star-fields. In this chapter three scopes are described.
观点
发表于 2025-3-27 02:48:18
Forschungsstand und Forschungsgegenstand,face mirror for the star diagonal from eBay, and hardware for the rotating star diagonal made from PVC fixtures. Although you are unlikely to find a 4-inch f17 lens on the web there are, fairly often, 5-inch f15 s, etc.
STRIA
发表于 2025-3-27 05:50:23
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affluent
发表于 2025-3-27 11:25:07
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要控制
发表于 2025-3-27 17:39:17
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Observe
发表于 2025-3-27 19:09:32
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bacteria
发表于 2025-3-28 01:29:33
https://doi.org/10.1007/978-1-4419-6415-1Amateur telescope making; Astronomical telescope making; Buying telescope components; Copy-Scope; Home-m
渗透
发表于 2025-3-28 02:10:40
978-1-4419-6414-4Springer Science+Business Media, LLC 2011
消灭
发表于 2025-3-28 08:57:00
Build a Good Copyscope,llent first serious telescope-making project. If you chose the components carefully you will have a rich-field instrument capable of reaching many extended objects and some wonderful star-fields. In this chapter three scopes are described.
放肆的你
发表于 2025-3-28 12:00:33
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