excursion
发表于 2025-3-26 21:56:47
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meditation
发表于 2025-3-27 03:00:02
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考得
发表于 2025-3-27 08:54:59
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INTER
发表于 2025-3-27 12:47:54
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绿州
发表于 2025-3-27 16:54:16
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飞行员
发表于 2025-3-27 17:46:17
The Mighty ETXjust how mighty this little telescope is. A few days later I created the first ETX-only site on the World Wide Web.. It has since become the Internet’s most popular ETX site. Even though the ETX acts like a much larger instrument (as implied by the photo from my Website, Fig. 9.1), it really is just
摄取
发表于 2025-3-27 22:31:54
https://doi.org/10.1007/978-3-642-51314-5which holds them together. The tripod legs are lengths of 50 × 25mm (2 × 1-inch) softwood. They have central wooden braces which are hinged to the legs and are connected together with an M6 carriage bolt. This tripod is much sturdier than the one which originally came with the tripod plate.
助记
发表于 2025-3-28 06:00:05
A 100mm Reflector in the Hands of a Young Astronomerwhich holds them together. The tripod legs are lengths of 50 × 25mm (2 × 1-inch) softwood. They have central wooden braces which are hinged to the legs and are connected together with an M6 carriage bolt. This tripod is much sturdier than the one which originally came with the tripod plate.
recession
发表于 2025-3-28 06:51:05
1431-9756 pes.Deals with beginners‘ telescopes.Deals with ‘expert‘ comSmall telescopes have a lot to recommend them..Cost is of course a consideration, but their most positive feature is sheer portability. Some manufacturers have tried to make large telescopes more portable (with mixed success), but the oppos
极力证明
发表于 2025-3-28 11:44:13
,Diskussion nach den Beiträgen von , und ,op quality, it is comparable to other telescopes in its price range. When you first use it you may be disappointed by some of the “user-unfriendly” features. Here I describe a few simple modifications that can significantly improve its usability.