Corona Australis, the Southern Crown is a small constellation near Sagittarius. The Arabs called it the tortoise and also the woman's tent. The Chinese also referred to this group of stars as the tortoise.
For the ObserverThe Stars of Summer
Delta Australi (19h 03m -37°08') is a binary system. The primary star has a magnitude of 5 and is a class F8 star. The companion also has a magnitude of 5 and a class F8. The system is 43 light years distant with a period of 120 years.
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Kathy Miles, Author, and Chuck Peters, Systems Administrator