Conditions were fair (at best) on the night of 11 May 2015 for this image of Jupiter showing Oval BA and Europa’s shadow (far right of the planet). Europa is further off to the right.
C14/PGR Flea3m/Astrodon Filters
And a composite image using 12 minutes of data, derotated to approximately 00:20ut. Europa had left the frame. Noe the change in color balance due to the changing sky brightness over the period during which the data was captured.