Ventilator
发表于 2025-3-27 00:23:19
Walter Frenz,Hans-Jürgen MüggenborgIf you are an avid visual astronomer, it may come as little surprise to find that colored filters make a world of difference to your observing clarity, and their use brings out detail from the subtle shadings found on Solar System objects.
magnanimity
发表于 2025-3-27 02:34:28
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种类
发表于 2025-3-27 08:11:55
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Indict
发表于 2025-3-27 09:37:32
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灿烂
发表于 2025-3-27 16:10:45
Observing the Solar System with Filters,In Chap. . we briefly explored Wratten filters for visual observation. In this chapter we take each of the planets in turn and see how the observer can use these filters to enhance each body to the maximum.
LATER
发表于 2025-3-27 18:29:48
9楼
流浪
发表于 2025-3-27 23:11:15
9楼
催眠
发表于 2025-3-28 05:53:33
9楼
传染
发表于 2025-3-28 08:47:48
9楼
archenemy
发表于 2025-3-28 10:53:33
10楼