The total eclipse track – averaging 95 miles wide – begins at local sunrise, 2,175 miles northeast of Wellington, New Zealand. An hour and 29 minutes later, comes the moment of greatest eclipse where the duration lasts the longest, at a point about 1,600 miles southwest of the Galapagos Islands, but still over the Pacific Ocean. The shadow’s umbra is in contact with the Earth for only 161 minutes. In the last 4 minutes that it finally makes landfall in Chile and continues southeast through Argentina, the path coming to an end just before reaching Uruguay, before the shadow lifts off of the Earth.
Cerro Tololo Inter-American Observatory, located 50 miles east of La Serena, Chile, at an altitude of 7,200 feet is within the totality path and will witness 2 minutes and 6 seconds of total eclipse. Notable cities that will see a very large partial eclipse are Montevideo, Santiago, and Buenos Aires. A partial eclipse will also be visible from Panama, Costa Rica and southwest Nicaragua, as well as much of South America.
This is the first total eclipse of the sun since the total eclipse of 2017 when the moon's shadow will again draw its tip across the Earth's surface.
Unlike in 2017, which offered many possibilities for land-based viewing, the 6,800-mile path of the 2019 eclipse is confined almost exclusively to the South Pacific Ocean.
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