为了拍几十年一遇的天文奇观，业余爱好者不用投资那些专业设备吧。你的土法炼钢就挺好。

来源: Luke2023 于 2023-10-14 17:50:32 [旧帖] [给我悄悄话] 本文已被阅读：次

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