Orionis Epsilon

Orionis Epsilon was a star visible from Earth which formed Orion's Belt, part of the constellation of Orion, along with Orionis Zeta and Orionis Delta. Once Ian Chesterton showed it to Vicki Pallister. (PROSE: Byzantium!)

Behind the scenes
In the real world it is better known as "Epsilon Orionis" or "Alnilam"..