Orionis Delta
From Tardis Wiki, the free Doctor Who reference
Orionis Delta was a star visible from Earth which formed Orion's Belt, part of the constellation of Orion, along with Orionis Epsilon and Orionis Zeta. Once Ian Chesterton showed it to Vicki Pallister. (PROSE: Byzantium!)
Behind the scenes
In the real world it is better known as "Delta Orionis" or "Mintaka"..