Grabbed a couple of hours of sleep and headed back to the airport in the early hours. It's already a hive of activity - São Tomé is a bustling metropolis compared to Príncipe.
Travellers don't normally cut a connection this fine, the léve léve philosophy making it wise to leave a couple of days' leeway for international flights. However, the eclipse deadline made this impossible unless we wait for Thursday's flight. Fortunately, all goes without a hitch and we head back to Lisbon.