Shot #2 -f/1.7 15s ISO1600. Great Barrier Island, Auckland

Shot #1 f1.7 30s ISO1600, Great Barrier Island, Auckland

The two photographs are approx 90 seconds apart. In shot#1 (right), the International Space Station (ISS) has just started to appear in the frame. It must have appeared while the shot was exposed. In shot#2, which was exposed only for 15s the ISS could be seen moving right to left.