Sigma Iotia
Sigma Iotia was an inhabited planetary system in the Beta Quadrant. In 2268, Captain James T. Kirk described the system as being on "the outer reaches of the galaxy". One of its planets was the Iotian homeworld Sigma Iotia II.  

In 2259, the system's location was labeled in the stellar cartography chart seen on the 's ready room viewscreen. The system's symbol had a white color, indicating that it was non-aligned. ()

In 2399, the system's location was labeled on a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters. This system was located in neutral space. (; )

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Star systems