May 23, 2013

AstroEvent: Catch Jupiter’s Moons in 1-2-3-4 order.

Jupiter+moons at 2200 UT February 1st. (Created by Author in Starry Night).

Recently I’d caught something at a star party that’s worth looking out for; Jupiter’s moons in 1-2-3-4 order. This event happens 3 to 4 times a month, and is always a good teaching moment to name and explain the four Galilean moons. [Read more...]