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Elora was a binary star system in the Alpha Quadrant.

History

In 2257, during the first Federation-Klingon War, this star system was occupied by the Klingons. (DIS: "The War Without, The War Within")

When the Venari Ral laid Omega-47 mines around the core of Federation space in 3196, this star was within the enclosed region. (SA: "Rubincon")

Stellar cartography

In 2256, the location of Elora was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the USS Discovery. (DIS: "Magic to Make the Sanest Man Go Mad")

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 had a blue color, indicating that it was affiliated with the United Federation of Planets. (SNW: "Strange New Worlds", "Spock Amok")

The system's location was labeled in a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters in 2399 and on the bridge of the USS Titan-A in 2401. The Elora system was in or near to Federation space. (PIC: "Maps and Legends", "The Next Generation", "Disengage")

In 3196, during the Omega-47 crisis, the location of Elora was depicted on star charts and readouts used across several locations on the USS Athena to locate, monitor, and respond to the Omega-47 mines laid by the Venari Ral. (SA: "Rubincon")

This star system was only mentioned in writing.
The Ellora might possibly have come from this star's system.
The stars of this system were classified as an A-class star and K-class star by the Star Trek: Star Charts (p. 62) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385").