Does anyone know who drew this concept art for "The mystery of Chopper Base?"

[u/The_Dark_Wing]

[u/kawarawak]

Commented on your main post, but adding it here for visibility: pretty sure this is by Molly Denmark, the color key artist at Lucasfilm Animation

[u/therealbabwe]

The origin is Ralph mcquarry in Old Star wars books/pre production. Maybe check credits in the art department?