Disambiguation evidence for openCluster Stephenson 2 via surface form

"rich red supergiant cluster Stephenson 2"

Triples (1)

Triples where some other subject referred to this entity as "rich red supergiant cluster Stephenson 2".

Stephenson 2-18 → isEmbeddedIn →
"rich red supergiant cluster Stephenson 2"
↳ resolves to openCluster Stephenson 2
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