Epsilon Hydrae

Epsilon Hydrae was a star system in the 'etnap Nebula, which was inside Klingon space in the Beta Quadrant. It was a quaternary star system consisting of the stars Ashlesha (the official name for Epsilon Hydrae A), Epsilon Hydrae B, Epsilon Hydrae C, and Epsilon Hydrae D and at least four planets, including Epsilon IV. Epsilon Hydrae A and Epsilon Hydrae B together formed a binary star system. (VOY: "Equinox", "Equinox, Part II"; DIS: "The War Without, The War Within")

Stellar cartography[]

The Epsilon Hydrae system was visible from Earth in the constellation Hydra. It was approximately 129 light years from Sol.

In 2257, the system's location was labeled on a Federation holographic star chart seen aboard the USS Discovery. (DIS: "The War Without, The War Within")

Later that year, the system's location was labeled on the star chart showing the trajectory of Lieutenant Spock's shuttle. (DIS: "An Obol for Charon")

In 2258, the system's location was labeled on a star chart seen on the main viewscreen of the USS Enterprise. (DIS: "Such Sweet Sorrow, Part 2")

In 2259, the location of this system was labeled on a stellar cartography chart that was seen on the USS Enterprise's ready room viewscreen. This system's symbol was a red Klingon Empire logo, indicating its' affiliation with the empire. (SNW: "Strange New Worlds", "Children of the Comet", "Spock Amok")

In 2324, the location of this system was labeled in a chart used during a Section 31 Alpha Team briefing. (Star Trek: Section 31)

This system was only mentioned in writing.