A star cluster on the Mass Relay network, the location of Kahje. Part of Citadel Space.
Kahje, with Our Favourite Moon visible, and the A-type star Harmonious Beacon.
Post Reaper War, it connects via relay to the Athena Nebula, the Crescent Nebula, the Eagle Nebula, the former Krogan DMZ and the Omega Nebula.
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A detailed description of the cluster can be read here.