STS093-347-027 (23-27 July 1999) --- Astronauts Steven A. Hawley (left) and Michel Tognini, mission specialists, are pictured with the Southwest Ultraviolet Imaging System (SWUIS) on the middeck of the Space Shuttle Columbia. SWUIS was used during the mission to image planets and other solar system bodies in order to explore their atmospheres and surfaces in ultraviolet (UV) region of the spectrum, which astronomers value for diagnostic work.
Nasa
<a rel="nofollow" class="external text" href="http://spaceflight.nasa.gov/">Nasa Human Space Flight website</a>, STS-93 Shuttle Mission Imagery