A penumbral lunar eclipse took place on Thursday, June 27, 1991, the second of four lunar eclipses in 1991. The moon entered the Earth's penumbra for about 3 hours, and was difficult to see. This lunar eclipse is the predecessor of the Solar eclipse of July 11, 1991.
This eclipse is a member of Saros series 110. The previous event occurred on June 15, 1973. The next event was on July 7, 2009.
Lunar eclipse series sets from 1991–1994 | ||||||||
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Ascending node | Descending node | |||||||
Saros | Date Viewing | Type Chart | Gamma | Saros | Date Viewing | Type Chart | Gamma | |
110 | 1991 Jun 27 | Penumbral | -1.40641 | 115 | 1991 Dec 21 | Partial | 0.97094 | |
120 | 1992 Jun 15 | Partial | -0.62887 | 125 | 1992 Dec 9 | Total | 0.31438 | |
130 | 1993 Jun 4 | Total | 0.16376 | 135 | 1993 Nov 29 | Total | -0.39941 | |
140 | 1994 May 25 | Partial | 0.89334 | 145 | 1994 Nov 18 | Penumbral | -1.10479 | |
Last set | 1991 Jul 26 | Last set | 1991 Jan 30 | |||||
Next set | 1995 Apr 15 | Next set | 1995 Oct 08 |
The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the earth's shadow will be in nearly the same location relative to the background stars.
Ascending node | Descending node |
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A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). [1] This lunar eclipse is related to two partial solar eclipses of Solar Saros 117.
June 21, 1982 | July 1, 2000 |
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A partial lunar eclipse took place on 16 August 2008, the second of two lunar eclipses in 2008, with the first being a total eclipse on 20 February 2008. The next lunar eclipse was a penumbral eclipse occurring on 9 February 2009, while the next total lunar eclipse occurred on 21 December 2010.
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A penumbral lunar eclipse took place on April 24, 2005, the first of two lunar eclipses in 2005. At maximum eclipse, 87% of the Moon's disc was partially shaded by the Earth, which caused a slight shadow gradient across its disc; this subtle effect may have been visible to careful observers. No part of the Moon was in complete shadow. The eclipse lasted 4 hours and 6 minutes overall, and was visible from east Asia, Australia, and the Americas.
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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 53.08 seconds at the point of maximum eclipse. There will not be a longer total eclipse until June 13, 2132. This was the largest total solar eclipse of Solar Saros series 136, because eclipse magnitude was 1.07997.
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A partial lunar eclipse took place on August 27, 1988, the second of two lunar eclipses in 1988.
A partial lunar eclipse took place on December 21, 1991, the last of four lunar eclipses in 1991. The moon grazed the northern edge of the umbral shadow.
A penumbral lunar eclipse took place on March 3, 1988, the first of two lunar eclipses in 1988. Earlier sources compute this as a 0.3% partial eclipse lasting under 14 minutes, and newest calculations list it as a penumbral eclipse that never enters the umbral shadow.
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A penumbral lunar eclipse took place on May 15, 1984. This was a deep penumbral eclipse, with the southern limb of the Moon close to the Earth's shadow.
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A penumbral lunar eclipse will take place on 5 May 2023.
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A penumbral lunar eclipse will take place on 20–21 February 2027.
A penumbral lunar eclipse will take place on May 7, 2031.
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