The Extrictarium Nebula was a nebula located within the Ash Worlds sector in the Outer Rim region of the galaxy, between the Centrality and the Tion Cluster, but did not appear on any starcharts. It contained the legendary planet Iego. Ailyn Vel killed Alpha-Ø2 in the nebula.
- Geonosis and the Outer Rim Worlds
- The History of the Mandalorians
- Star Wars: The Ultimate Visual Guide
- The Essential Atlas