Eta Trianguli is a star, located in Federation space, near the Romulan Neutral Zone, among the star systems visible from Earth in the constellation of Triangulum. The Eta Trianguli system was the agreed escape route target of a Federation task force that assaulted a Romulan space station in orbit of Levaeri V. (TOS novel: "My Enemy, My Ally")

Although Eta Trianguli has a Bayer designation like a "real" star, there are not currently any stars designated as such in Triangulum known to modern science.
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