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Memory Alpha

Hyralan, also known as Alpha Caeli or Hydralan, was a star system in the Beta Quadrant.

Alpha Beta Quadrant Overview star chart

Alpha/Beta Quadrant Overview (2256)

In 2256, this system 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 2257, during the first Federation-Klingon War, this location was occupied by the Klingons. (DIS: "The War Without, The War Within")

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", "A Quality of Mercy")

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 Hyralan system was in or near to Federation space. (PIC: "Maps and Legends", "The Next Generation", "Disengage")

In 2401, this system's position was labeled on a star chart used by Captain William T. Riker during his attempt at finding the last known location of the SS Eleos XII. (PIC: "The Next Generation")

DMA star chart 4

The location of Hyralan labeled on a star chart (3190)

In 3190, the location of Hyralan was labeled on a star chart used by Commander Paul Stamets for tracking the movement of the Dark Matter Anomaly through the galaxy. (DIS: "The Examples")

Background information[]

This star system was only mentioned in writing. On both Clancy's and Stamet's star charts, this system's name is spelled as "Hydralan".

The system is likely a reference to the Hyralan sector from TNG: "Gambit, Part II". In-universe, the sector may get its name from this star system.

According to Star Trek: Star Charts (pp. 61, 62, & 66), Hyralan was a multi-star with a pair of F-class stars.

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