Crushank NebulaeCanonLegendsInfinities Sources Star Wars Galaxy MapAppearancesDoctor Aphra: An Audiobook Original (Indirect mention only) (Unknown)Unknown UnknownNoneDarth Vader (2015) 4 (First mentioned) (Indirect mention only) (Unknown)Unknown UnknownNoneDarth Vader (2015) 5 (First appearance) (Unknown)Unknown UnknownNoneDarth Vader (2015) 6 (Unknown)Unknown UnknownNoneDarth Vader (2015) 21 (First identified as Crushank Nebulae) (Unknown)Unknown UnknownNone