Ganymede Io’s Shadow & Io Transit Across Jupiter’s Disc

From 00.26 BST/ 23.26 UTC above the SE – S horizon

on the morning of Monday the 29th of September

Io’s shadow will transit across the planets disc along with Ganymede

and at 01.38 hrs BST / 00.38 hrs UTC Io will also transit across the planets disc

if you plan to observe /image this event remember to dress for the conditions