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Theta Serpentis (Struve 2417) is a wonderful binary of two white stars: 4.0, 4.2; 103º, 22.2".
Struve 2375 is a superb pair: 6.2, 6.6; 116º, 2.4".
[7794]-[7798] theta Serpentis, also known as Alya ("sheep's tail"), marks the tip of the serpent's tail. It is a multiple star system, 132 light-years distant.
The tip of the serpent's tail is marked by Theta Serpentis, called Alya, an Arabic word that actually refers to a sheep's tail.
Unukalhai = Alpha Serpentis
Gamma Ser = Gamma Serpentis
Delta Ser = Delta Serpentis
Eps Ser = Epsilon Serpentis
Alya = Theta Serpentis
Kappa Ser = Kappa Serpentis
Xi Ser = Xi Serpentis ...
 See also: Cluster, Nebula, Constellation, Star Cluster, Sky
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