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Ara (Latin for "the Altar") is a southern constellation between Scorpius, Telescopium, Triangulum Australe, and Norma. Under its Greek name Βωμός, Bōmǒs, it was one of the 48 classical constellations described by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations designated by the International Astronomical Union.
Source: Wikipedia
Image source: IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg)
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