MacPherson Nebula
The MacPherson Nebula was a supernova remnant located less than two hours from Tambor Beta-6 at warp 9. 

In 2370, the  identified the MacPherson Nebula as an alternate source of vertion particles to sustain a network of semi-intelligent emergent circuit nodes on board, which was in the process of creating a new emergent lifeform. The Enterprise detonated a modified photon torpedo in the interior of the nebula, producing enough vertion particles for the nodes to complete their function. ()

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Nebulae