July 2019 lunar eclipse|
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| Date | July 16, 2019 |
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| Gamma | −0.643 |
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| Magnitude | 0.6544 |
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| Saros cycle | 139 (22 of 81) |
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| Partiality | 177 minutes, 56 seconds |
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| Penumbral | 333 minutes, 43 seconds |
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| Contacts (UTC) |
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| P1 | 18:43:53 |
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| U1 | 20:01:43 |
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| Greatest | 21:30:44 |
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| U4 | 22:59:39 |
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| P4 | 0:17:36 |
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A partial lunar eclipse occurred at the Moon’s descending node of orbit on Tuesday, July 16, 2019, with an umbral magnitude of 0.6544. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring about 3.9 days after apogee (on July 20, 2019, at 20:00 UTC), the Moon's apparent diameter was smaller.