Marc, if you like the 9th September, take a look at 15th August - 4 moons close by, 3 transiting at once, and Europa partially eclipsed and occulted by Ganymede while they are both transiting Jupiter...
Marc, if you like the 9th September, take a look at 15th August - 4 moons close by, 3 transiting at once, and Europa partially eclipsed and occulted by Ganymede while they are both transiting Jupiter...