OK, one more eclipse shot

I've posted a lot of stuff about Sunday's annular eclipse (see Related Links below), and I figured I was done... but then I got a pretty remarkable picture sent to me. During the eclipse, in northern California, two men sent a small (6 cubic meter) helium-filled balloon up to 90,000 feet (roughly 27 km). Equipped with a camera and an ingenious system that used puffs of gas to orient the payload, they took this pretty amazing shot of the eclipse: