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"The 2012 impact was the 6th impact observed on Jupiter, and the fourth impact seen on Jupiter between 2009 and 2012. It was quite similar to the flash observed on 20 August 2010."
Ok, we have: 1994(SL9), 2009, 2010A (June 03), 2010B (August 20), and 2012. So there's a previous impact before 2009 (presumably after 1994)? Are you counting the Galileo Probe in 1995? (Of course, then you should ALSO count the Galileo Orbiter in 2003.) CFLeon (talk) 01:37, 5 June 2013 (UTC)[reply]