Go to Sky & Telescope’s “Jupiter’s Moons” Web page (http://skyandtelescope.com/observing/objects/javascript/jupiter).Enter your date and time. Where are the four Galilean moons? Keep clicking on “[plus]1 hour” to see how their positions change over time. Which moon passes in front
of (transits) Jupiter? If possible, observe these moons for a couple of nights through a small telescope, binoculars, or telephoto camera lens. Sketch the positions of the moons.