Robinson Nebula

The Robinson Nebula was a dark matter nebula discovered in 2153 by Captain Jonathan Archer and T'Pol of the Enterprise (NX-01). It was named for Archer's recently deceased friend and fellow United Earth Starfleet officer, A.G. Robinson. 

Alternate universes
In one alternate timeline, the Robinson Nebula lay between the territories of United Earth and the Interstellar Coalition, and was used as a hiding place for Orion pirates.