- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
A nebula in the area of Zeta Alpha and Sentinel Minor, which registers 82 percent dilithium hydroxyls, with magnesium and chromium as well. The U.S.S. Enterprise NCC-1701-D takes refuge there in 2370 within its sensor-confusing material from the renegade Borg.