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Anne’s Image of the Day: Constellation Corona Australis

17 Mar 2014, 14:59 UTC
Anne’s Image of the Day: Constellation Corona Australis
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March 17, 2014 Corona Australis, a small southern constellation Image Credit & Copyright: Warren A. Keller, Billions and Billions Fine Art Astrophotography Corona Australis (also known as CrA and the Southern Crown) is a small, southern constellation, bordered by Sagittarius to the north, Scorpius to the west, Telescopium to the south, and Ara to the southwest. It is [continue reading]

March 17, 2014
Corona Australis, a small southern constellation

Image Credit & Copyright: Warren A. Keller, Billions and Billions Fine Art Astrophotography
Corona Australis (also known as CrA and the Southern Crown) is a small, southern constellation, bordered by Sagittarius to the north, Scorpius to the west, Telescopium to the south, and Ara to the southwest. It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and the southern counterpart of Corona Borealis, the Northern Crown.
While not a bright constellation, Corona Australis is nonetheless distinctive due to its easily identifiable pattern of stars, which has been described as horseshoe-or oval-shaped. Though it has no stars brighter than magnitude 2.4, it still has 21 stars visible to the unaided eye (brighter than magnitude 5.5), making it the second-brightest constellation.
In this image, the focal point is a ...

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