证明无罪
发表于 2025-3-23 12:02:27
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会议
发表于 2025-3-23 16:40:37
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政府
发表于 2025-3-23 18:52:39
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Libido
发表于 2025-3-24 00:03:11
Phosphor und seine Verbindungen, equipment would simply get a book on deep-sky observing, and begin. Yet many amateur astronomers think that’s impossible, and don’t even try. Or perhaps they think it requires a special magic to see faint diffuse objects with tiny telescopes, and they will never find anyone who can give them the necessary charms and incantations.
闯入
发表于 2025-3-24 05:35:32
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investigate
发表于 2025-3-24 08:13:45
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露天历史剧
发表于 2025-3-24 11:20:27
Visual Observation of Deep-sky Objects with Small Telescopes equipment would simply get a book on deep-sky observing, and begin. Yet many amateur astronomers think that’s impossible, and don’t even try. Or perhaps they think it requires a special magic to see faint diffuse objects with tiny telescopes, and they will never find anyone who can give them the necessary charms and incantations.
Projection
发表于 2025-3-24 17:35:05
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 a 90mm (3.5-inch) telescope.
蚊帐
发表于 2025-3-24 22:38:02
Fortschritte in der Planungsrechnung(who questioned his finding) at a star party some years ago. I understand that the experience changed the attitude of the latter to small telescopes — in this case a 100mm (4-inch) refractor, I recall — for ever. He was “converted”. this anecdote impressed me also, for it shows what can be done with
成绩上升
发表于 2025-3-25 00:47:02
Indexzahlen in der Plankostenrechnung,which vastly exceed its capabilities. This is usually a consequence of the advertising, some of which can be extremely misleading. The telescope usually comes as either a ./15 or an ./1 1.2 model. The ./15 models generally have slightly better objective lenses, giving far less false colour. Mine is