Full Resolution The decision of where to observe from is based on weather and logistics. Both Senegal and Colombia are near the equator, so their summer weather can be pretty rainy. Venezuela and Mali were off-limits to us, for safety reasons.
The shadow is moving at some 20 km/sec from east to west. The solid lines mark the 'best guess' position near the center. The event can be seen from any site on the line -- exactly where (east-west position) doesn't matter, as long as you are on the line.
