Filter type: Aluminum:Silicon, Indium:Titanium, Tin:Germanium Launch date: May 14, 1973 Status: Operated until 1974
The instrument functioned as a solar observatory and included two UV instruments that imaged the sun and its spectra on photographic film operated manually by astronauts. More information about the ATM here.
Filter types: Lexan, Parylene N/Aluminum, Boron Launch Date: May 1983 Status: Operated until April 1986
This X-Ray observatory launched by the European Space Agency was one of the first missions to carry an onboard computer, allowing unprecedented data processing and program handling from Earth. In the three year lifespan of EXOSAT, it made 1780 X-Ray observations while flying on an elliptical orbit. Read a summary of the mission here.
Filter type: Lexan with Carbon, Tin, Beryllium, and Aluminum Launch date: June 1, 1990
Status: Operated until February 12, 1999
A Germany/US/UK collaboration that in part conducted an all-sky survey in the soft X-Ray band, ROSAT (short for Röntgensatellit which is German for X-Ray satellite) imaged more than 150,000 objects. More information about the mission here.