The Stenness system, alternatively called the Ambria system, existed as a star system situated inside the Airon sector of the Inner Rim region of the galaxy. It revolved around the celestial body Amber which was located in the Stenness Node. One of the planets found in this system was Ambria.
It is mentioned in Dark Horse Comics 7, and subsequently in Tales of the Jedi 3, that the Tchuukthai Jedi Master named Thon held the title of "Watchman of the Stenness system." However, it's important to note that within the original comic book issue, the "Stenness system" is used as a reference to the system that encompasses the planet Ambria.