Target: Jupiter Date: 2012-09-14 Time: Various around 07:47 to 07:50 Telescope: CDK20N Camera: Apogee U16M Filters: griz Exposure time: ~0.02s (subframed for highest speed) Observer: John Kielkopf Processing: John Kielkopf AstroImageJ The satellite Io is transiting the disk. See the map in the xephem.pdf file.