This illustration shows the positions of Jupiter's four Galilean satellites — Io, Europa, Ganymede,and Callisto — in orbit about the planet for any date and time from January 1, 1900, to December 31 2100.
Please choose your view:
Direct View(Erect-image system)
Inverted View(Newtonian/Dobson)
Mirrored reversed View(SCT/Mak/refractor+diagonal)