Jupiter in 2014/15:  Mutual phenomena of Jupiter's moons. 

Jupiter's galilean satellites are undergoing mutual phenomena (or 'PheMus', as our French colleagues call them, short for “phénomenes mutuelles”).  Here are some images and drawings showing some of the events.  For animated image sequences, see the web site of Marc Delcroix:
http://www.astrosurf.com/planetessaf/occultations/