U.S. Naval Observatory Secret

United States Naval Observatory

www.cnmoc.usff.navy.mil
Yelp (8) · Washington, 美国 中的 天文台
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Its mission includes determining the positions and motions of the Earth, Sun, Moon, planets, stars and other celestial objects; providing …

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Settled on the hilly lawns of a naval fort in upper northwest Washington, the Observatory measures the times and positions of the stars…
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常见问题解答

问:
I am interested in making some double star observations but don't know what doubles are appropriate for my telescope or need observing. Can you help me?
答:
Yes. The Observing List Request form is designed for people to make requests for observing lists. Typical questions to make the list are provided, but the field is...
答:
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