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April 1986 lunar eclipse

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April 1986 lunar eclipse

A total lunar eclipse took place on April 24, 1986.

Contents

Visibility

It is seen rising over eastern Asia, the Pacific Ocean, and western North America and South America, the eclipse is also seen setting over the whole of Europe, Africa and Western Asia. The eclipse was seen very visible over the Philippines, it becomes the first lunar eclipse after the EDSA Revolution since the two lunar eclipses happened between May 4, 1985 and October 28, 1985 and the second followed on October 17, 1986. It also followed on February 20, 1989.

It also followed the passage of Halley's comet in the same year.

Saros series

Lunar Saros series 131, has 72 lunar eclipses.

This eclipse series began in AD 1427 with a partial eclipse at the southern edge of the Earth's shadow when the Moon was close to its descending node. Each successive Saros cycle, the Moon's orbital path is shifted northward with respect to the Earth's shadow, with the first total eclipse occurring in 1950. For the following 252 years, total eclipses occur, with the central eclipse being predicted to occur in 2078. The first partial eclipse after this is predicted to occur in the year 2220, and the final partial eclipse of the series will occur in 2707. The total lifetime of the lunar Saros series 131 is 1280 years.

Because of the ⅓ fraction of days in a Saros cycle, the visibility of each eclipse will differ for an observer at a given fixed locale. For the lunar Saros series 131, the first total eclipse of 1950 had its best visibility for viewers in Eastern Europe and the Middle East because mid-eclipse was at 20:44 UT. The following eclipse in the series occurred approximately 8 hours later in the day with mid-eclipse at 4:47 UT, and was best seen from North America and South America. The third total eclipse occurred approximately 8 hours later in the day than the second eclipse with mid-eclipse at 12:43 UT, and had its best visibility for viewers in the Western Pacific, East Asia, Australia and New Zealand. This cycle of visibility repeats from the initiation to termination of the series, with minor variations.

It is the third total lunar eclipse of the series. The next occurrence will be on May 4, 2004. The previous occurrence was April 13, 1968.

Metonic series

This eclipse is the third of four Metonic cycle lunar eclipses on the same date, April 23–24, each separated by 19 years:

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 in nearly the same location relative to the background stars.

References

April 1986 lunar eclipse Wikipedia