Jupiter and its moons

Overexposed Jupiter showing all four of its Galilean moons from left to right: Callisto, Ganymede, Europa and on the right side of the planet is Io.

 

(Satellite identification by utility at Sky and Telescope website)

 

This was a single 1/2 sec exposure taken through a borrowed 1000mm x 125mm (f/8ish) Galileo brand telescope.

Done