Twinge
发表于 2025-3-21 18:39:20
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低能儿
发表于 2025-3-21 20:38:37
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Generic-Drug
发表于 2025-3-22 03:48:19
Anton LeistAuthor recommends affordable equipment.Photographs show the .Observing the Messier Objects with a Small Telescope contains descriptions and photographs of the 103 Messier objects, with instructions on how to find them without a computerized telescope or even setting circles. The photographs show how
humectant
发表于 2025-3-22 06:28:20
Anton LeistAuthor recommends affordable equipment.Photographs show the .Observing the Messier Objects with a Small Telescope contains descriptions and photographs of the 103 Messier objects, with instructions on how to find them without a computerized telescope or even setting circles. The photographs show how
结合
发表于 2025-3-22 10:15:19
Anton LeistAuthor recommends affordable equipment.Photographs show the .Observing the Messier Objects with a Small Telescope contains descriptions and photographs of the 103 Messier objects, with instructions on how to find them without a computerized telescope or even setting circles. The photographs show how
甜得发腻
发表于 2025-3-22 14:52:17
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团结
发表于 2025-3-22 19:27:26
Anton LeistAuthor recommends affordable equipment.Photographs show the .Observing the Messier Objects with a Small Telescope contains descriptions and photographs of the 103 Messier objects, with instructions on how to find them without a computerized telescope or even setting circles. The photographs show how
消音器
发表于 2025-3-22 23:31:35
Anton LeistAuthor recommends affordable equipment.Photographs show the .Observing the Messier Objects with a Small Telescope contains descriptions and photographs of the 103 Messier objects, with instructions on how to find them without a computerized telescope or even setting circles. The photographs show how
推崇
发表于 2025-3-23 02:25:41
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供过于求
发表于 2025-3-23 06:12:05
d in listing all the major interesting deep-sky objects that today are targets for amateur astronomers..Messier‘s telescope (thought to be a 4-inch) was, by today‘s amateur standards, small. It also had rather poor optics by modern standards. Thus - and despite the fact that he was a master observer