http://www.flickr.com/photos/nasahqp...7617823159021/
"Takahashi TOA-130 refractor (diameter 130mm, final focal 2200mm), Baader solar prism and Canon 5D mark II. Exposure of 1/8000s at 100 ISO, extracted from a series of 16 images (4 images/s) started 2s before the predicted time."