Astronauts Culbertson and Bursch supporting ORFEUS and SPAS

Astronauts Frank L. Culbertson Jr., STS-51 mission commander, and Daniel W. Bursch, mission specialist, are seen on Discovery's flight deck. The two were supporting operations free-flying Orbiting and Retrievable Far and Extreme Ultraviolet Spectrometer (ORFEUS) and its Shuttle Pallet Satellite (SPAS), pictured through the left window.