STS-125 MS1 Good during EVA4

S125-E-008614 (17 May 2009) --- Astronaut Michael Good, STS-125 mission specialist, repositions himself on Atlantis' remote manipulator system as he continues work on the Hubble Space Telescope during the mission's fourth session of extravehicular activity. Astronaut Mike Massimino, who shared two spacewalks with Good during the last week, is out of frame.