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|Lore, Star Cluster|
|Mass Effect: Andromeda|
Comprised of over thirty observed systems, the Heleus Cluster is a star cluster on the outer fringes of the Andromeda Galaxy. Heleus, as it is commonly known, was chosen as the Andromeda Initiative's destination after long-range surveys suggested it had an unusually high number of habitable worlds. The cluster also has a large black hole at its centre, whose formation may have been the cause of Heleus's rich element zero deposits.
Surveying and classification of Heleus is an ongoing process. While some planets have official names, others are still known by their initial survey data: "H" (for "Heleus Object") followed by a catalogue number.