做方舟
发表于 2025-3-28 16:52:58
Variable Star Reporting and Recording Organizations, that you will want to remember. Don’t lose something important because you didn’t record its happening. Make it a habit to write down in you log or record book everything that is not mundane. You won’t regret it.
缝纫
发表于 2025-3-28 19:39:56
Pulsating Variable Stars,ting stars probably exist within the Milky Way. By any measure, this is quite a selection and would keep you busy for many lifetimes. As well as providing a large number from which to choose, many pulsating stars have large amplitudes making them an excellent choice for visual observation.
Prologue
发表于 2025-3-29 02:02:29
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典型
发表于 2025-3-29 06:26:19
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令人悲伤
发表于 2025-3-29 09:05:00
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弓箭
发表于 2025-3-29 12:34:57
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土产
发表于 2025-3-29 17:57:14
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insightful
发表于 2025-3-29 20:22:24
Variable Star Observing and Amateur Astronomers,er, “Are my contributions even needed today?” when orbiting telescopes and 10-meter mirrors are being used by professional astronomers. The superiority of the professional and their equipment appears to leave not the slightest niche for you and me.
collateral
发表于 2025-3-30 01:17:47
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打火石
发表于 2025-3-30 04:17:54
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