Solar eclipse of July 11, 1991
| Solar eclipse of July 11, 1991 | |
|---|---|
Totality from Playas del Coco, Costa Rica
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Map
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| Type of eclipse | |
| Nature | Total |
| Gamma | -0.0041 |
| Magnitude | 1.08 |
| Maximum eclipse | |
| Duration | 413 sec (6 m 53 s) |
| Coordinates | 22°00′N 105°12′W / 22°N 105.2°W |
| Max. width of band | 258 km (160 mi) |
| Times (UTC) | |
| (P1) Partial begin | 16:28:46 |
| (U1) Total begin | 17:21:41 |
| Greatest eclipse | 19:07:01 |
| (U4) Total end | 20:50:28 |
| (P4) Partial end | 21:43:24 |
| References | |
| Saros | 136 (36 of 71) |
| Catalog # (SE5000) | 9489 |
A total solar eclipse occurred on July 11, 1991. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. Totality began over the Pacific Ocean and Hawaii moving across Mexico, down through Central America and across South America ending over Brazil. It lasted for 6 minutes and 53 seconds at the point of maximum eclipse. There will not be a longer total eclipse until June 13, 2132.
This eclipse was the most central total eclipse in 800 years, with a gamma of -.0041. There will not be a more central eclipse for another 800 years. Its magnitude was also greater than any eclipse since the 6th century.
Animation of eclipse path
View near the end of totality, Playas del Coco, Guanacaste, Costa Rica
Partial phase before totality as seen through the cloud cover, Playas del Coco, Guanacaste, Costa Rica
Each member in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.
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