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Amateur Jupiter observer Christopher Go This is what a DPS poster presentation looks like. Here, Christopher Go, an amateur astronomer from the Philippines, compiled a long-term record of Jupiter's atmospheric changes that has proven of immense value to professional astronomers studying Jupiter's "global upheval" of 2006 and 2007. He is photographed here at the poster session of the 2007 Division of Planetary Sciences meeting in Orlando. Emily Lakdawalla