ROSAT Mission
The ROSAT (Rontgensatellit) mission was a collaborative project between the German space agency DARA, NASA, and the UK Science Research Council, and was led by the The satellite was launched on 1990 June 1 and ceased operations on 1999 Feb 12 after an extremely productive career. ROSAT was similar in concept to the Einstein Observatory, with a somewhat improved mirror. At its focal plane, its PSPC (Position Sensitive Proportional Counter) and HRI (High Resolution Imager) detectors were an evolution of the Einstein IPC and HRI. ROSAT also carried a British-built extreme ultraviolet telescope.

ROSAT HRI
HEA contributed ROSAT's HRI (High Resolution Imager) camera and also provided data analysis software to the community.