Maybe a bit early, but will we find the barnacles aka BAs only close to the nebula or within the UA sphere? I'm thinking that they use the UAs to mark a mining claim.
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Starting from these systems - do they have something in common ? - which would be good candidates to look for more BAs and the large BAs, if this haven't been found yet.
Merope 5C
(-26.3495),(-156.4047)
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Pleiades Sector JC-U B3-2 Planet 1
Many Barnacles found close to a crashed Anaconda
Anaconda: (20.8736),(91.6983)
Barnacle: (21.9135),(96.9802)
Barnacle: (21.3348),(91.9834)
Barnacle: (23.0895),(94.0826)
Barnacle: (19.25),(92.09)
Barnacle: (25.33638),(25.5291)
Barnacle: (-57.8318),(107.4311 As you can see there are very similar coordinates, so we can assume some of them spawn randomly all around the Anaconda wreckage.
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Pleiades Sector JC-U B3-2 Planet 2
Various Barnacles found around coord:
49.9075 - 102.7141