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Asterism

Water Jar

water jar asterism,the urn,the y constellation

The Water Jar is an asterism formed by four relatively bright stars in the constellation Aquarius: Gamma, Pi, Eta, and Zeta Aquarii. Also known as… Read More »Water Jar

Summer Triangle

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summer triangle asterism

The Summer Triangle is an asterism formed by Vega, Altair and Deneb, the brightest stars of the northern constellations Lyra, Aquila and Cygnus. With three… Read More »Summer Triangle

The Kite

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kite constellation,bootes constellation

The Kite is a large northern asterism that dominates the constellation Boötes. Also known as the Ice Cream Cone, it is formed by the constellation’s… Read More »The Kite

False Cross

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false cross stars

The False Cross is an asterism formed by four bright stars in the constellations Vela and Carina. Located in the far southern sky, the diamond-shaped… Read More »False Cross

The Sickle

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the sickle,the sickle of leo

The Sickle of Leo is one of the most recognizable patterns in the spring sky. Formed by some of the brightest stars in the constellation… Read More »The Sickle

The Keystone

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keystone in hercules

The Keystone is an asterism formed by four relatively bright stars in the constellation Hercules: Pi, Eta, Zeta and Epsilon Herculis. The trapezoid-shaped pattern makes it easy for observers to identify the constellation and to find several well-known deep sky objects. On a clear night, the Keystone can be seen between the bright Vega, the brightest star in Lyra, and the stars of Corona Borealis, the Northern Crown. The asterism represents Hercules’ torso.
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