Heruun's moon is a moon in the Pegasus galaxy going into orbit around the planet Heruun. Asgard Fenrirs spaceship Aegis crashed on the moon after his ship dropped out of hyperspace a to make a course correction. He came, when the Wraith fleet was preparing for their culling Heruun inhabitants. His ship managed to win the battle that followed, but took in injury and crash landed. (SGA: "Nightfall")