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На этой странице приведены все страницы, которые ссылаются на http://www.astronomy.com/observing/tour-the-deep-sky/2010/03/the-deep-sky. Показаны документы 1 - 1 из 1.
1. Using a telescope | Astronomy.com
... Star Atlas . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Observing springtime deep-sky objects with a large telescope . ... In addition to where the double star is in the sky and how bright each component is, there are two quantities with which a double star observer should be familiar. ... The size of your telescope will influence which double stars you observe. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/observing/equipment-use/2004/07/using-a-telescope -- 83.9 Кб -- 10.04.2016
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