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The brightest star in the area known as Serpens Cauda (the Serpent's Tail); its magnitude is slightly variable between +3.39 and +3.41. Eta Serpentis is an orange (K-type) star of a type intermediate between a giant and a subgiant, lying some sixty light years from Earth.

With a declination of only -3°, this star lies very close to the Celestial Equator, and within the band of the Milky Way.

Location of Eta Serpentis

Eta Serpentis lies in the central regions of Serpens Cauda, the Serpent's Tail.

Image of Eta Serpentis

Toward the central regions of the Milky Way, Eta Serpentis shines with an orange light.

Imagery provided by Aladin sky atlas


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