Before revision: The " Sun Watcher using Active Pixel System Detector and Image Processing " (SWAP) telescope is a compact EUV imager on board the PROBA2 mission that will observe the Sun in extreme ultraviolet (EUV).
After revision: The " Sun Watcher using Active Pixel System Detector and Image Processing " (SWAP) telescope is a compact EUV imager on board the PROBA-2 mission that will observe the Sun in extreme ultraviolet (EUV).