Folks,
Barely qualifies as the triple transit, but in the raw data Callisto was still inseparable from its parent, so I'm going to roll with that
Sunday evening had been cloudy, and while it was slow to move, it did sweep northwards... about 10 minutes too late for my liking. However, there was a couple of minutes (literally) where the seeing was decent before it totally turned to fuzz
Scope: Celestron EdgeHD 11"
Camera: ZWO ASI462MC
Barlow: WO 1.25" screw-on
Mount: Sky-Watcher EQ8
Enjoy
Dunk