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Circinus
From Wikipedia, the free encyclopedia
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| List of stars in Circinus | |
| Abbreviation: | Cir |
| Genitive: | Circini |
| Symbology: | Compass |
| Right ascension: | 15 h |
| Declination: | −60° |
| Area: | 93 sq. deg. (85th) |
| Main stars: | 3 |
| Bayer/Flamsteed stars: | 8 |
| Stars known to have planets: | 0 |
| Bright stars: | 0 |
| Nearby stars: | 0 |
| Brightest star: | α Cir (3.2m) |
| Nearest star: | α Cir (53.5 ly) |
| Messier objects: | 0 |
| Meteor showers: | None |
| Bordering constellations: | Centaurus Musca Apus Triangulum Australe Norma Lupus |
| Visible at latitudes between +10° and −90° Best visible at 21:00 (9 p.m.) during the month of June |
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Circinus (pronounced /ˈsɝsɨnəs/, Latin: compass), is one of the small southern (declination −50 to −60 degrees) constellations. It represents a tool used in drawing maps and as such should not be confused with Pyxis, a constellation associated with a ship's compass.
This constellation was designated in the 18th century, and first introduced by Nicolas Louis de Lacaille, whose unique fascination with secular science led to different names for these modern constellations. Since it is a creation of the 18th century, and was not visible to the cultures of the Mediterranean, there is no pre-18th century mythology associated with it.
At the International Constellation Conference in the summer of 2006, it was decided that this word is pronounced with hard c sounds, like in the word curtains.
- Ian Ridpath and Wil Tirion (2007). Stars and Planets Guide, Collins, London. ISBN 978-0007251209. Princeton University Press, Princeton. ISBN 978-0691135564.
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