Jun 122017

Jupiter’s moons have been putting on a show for us, this month.  There was a transit of Ganymede and Io, this past weekend, while Europa is shown slipping into occultation behind Jupiter.  A 4-frame animation of images taken through a near-IR filter, shown below, was taken on 11 June 2017 (2:04ut – 2:33ut).  Seeing was fair, but the surroundings were still cooling off after a hot day, and Jupiter was just above 40 degrees altitude in the sky.


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