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Io as seen with from Keck II Adaptive Optics Three observations of Io recorded on June 28, 2010 at about 14:00 UT with the NIRC2 infrared camera in three broadband filters from 2.1 to 4.7 microns by observers F. Marchis and K. Burns. F. Marchis, U.C. Berkeley, and the SETI Institute