Calgon

"Those Verpine grav-bikes'll be invisible with all that background noise. We'll just slip in and out without anyone being the wiser."
"Sure. Just like on Calgon…"
"But that wasn't my fault…"

―Two Rebel Alliance operatives, preparing to infiltrate a Galactic Empire asteroid base^[3]

Calgon was a terrestrial celestial body^[3] situated in the Calgon system, a part of the Outer Rim Territories' Meridian sector.^[1] At some point during the Galactic Civil War between the Galactic Empire and the Rebel Alliance, a team of Rebel operatives unsuccessfully attempted to use stealth in approaching a target on Calgon. Later, one of the agents compared the incident to the team's plan of infiltrating an Imperial asteroid base by using grav-bikes, to which their fellow operative replied that they were not to blame for the events on Calgon.^[3]

Behind the scenes

Calgon placed on a map of the Al'Nasrl sector included in Voyages SF 13. — Calgon placed on a map of the Al'Nasrl sector included in *Voyages SF* 13.

Calgon was first mentioned in "Ain't Science Grand?," a roleplaying game adventure idea included in the 1987 rulebook for the first edition of West End Games' Star Wars: The Roleplaying Game.^[3] "Twinkle, Twinkle Little Star, How I Wonder Where We Are," a 1990 roleplaying game source article published in the thirteenth issue of the Voyages SF magazine, placed Calgon in the Al'Nasrl sector. Since that article was released outside of the Lucas Licensing process,^[4] it was considered non-canonical with respect to the Star Wars Legends continuity.^[5] The 2009 reference book The Essential Atlas subsequently placed the Calgon system, and therefore the celestial body itself, in grid square R-7,^[2] and the StarWars.com Online Companion to that book eventually overrode the Voyages SF 13 placement by instead placing it in the Meridian sector.^[1]