Sector 22139
In the  for the  episode , Sector 22139 was a sector. The Federation starship  was on a mapping survey of this sector. It was transporting a delegation of Ullian telepathic historians to Kaldra IV. The most unusual thing seen by the crew was a binary system. 

The name of this sector was not mentioned in the episode. 

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nl:Sector 22139
Unused production material