Globular cluster
A globular cluster was a kind of stellar cluster. Starship navigation within a globular cluster could be difficult due to gravimetric interference.

In 2369, the  charted an unusually dense globular cluster, the Amargosa Diaspora. ()

List of globular clusters
47 Tucanae
Amargosa Diaspora
M14
M80
M92
NGC 5139

External link 
 

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Celestial objects