STS059-19-004 (9-20 April 1994) --- Astronaut Sidney M. Gutierrez, mission commander, pauses on the flight deck during Earth observations on the Space Shuttle Endeavour. Gutierrez, who was joined by five other NASA astronauts for 11-days in Earth orbit, holds a 70mm Hasselblad camera. The camera was one of several instruments used during the SRL mission to record an unprecedented compilation of data on planet Earth.