USS Copernicus (NCC-1893) was a Miranda-class light cruiser of the Anton Subclass in Starfleet service during the 2260s. It had a crew of 133. Circa 2269, Copernicus -- commanded by Captain Tyler -- sent out a distress signal while in the vicinity of a binary system consisting of a red giant star, Lear, and a blue dwarf star, Iago. (Star Trek: Phase II: "Blood and Fire", Parts 1 and 2)