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October 2042 lunar eclipse

Extremely short lunar eclipse From Wikipedia, the free encyclopedia

October 2042 lunar eclipse
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A penumbral lunar eclipse will occur at the Moon’s ascending node of orbit on Tuesday, October 28, 2042.[1] with an umbral magnitude of −0.974. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into 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 only about 12 hours before perigee (on October 28, 2042, at 7:30 UTC), the Moon's apparent diameter will be larger.[2]

Quick facts Date, Gamma ...

This event marks the beginning of lunar saros cycle 156 according to some sources, and will be visually imperceptible to the naked eye. Many other sources denote this eclipse as a miss.[3]

According to some sources, it will be the last of 5 metonic cycle eclipses occurring every 19 years on October 28, while the other sources calculate the Moon will miss the shadow.

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Visibility

The eclipse will be completely visible over much of Africa, Europe, Asia, and western Australia.

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Eclipse season

This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight. The first and last eclipse in this sequence is separated by one synodic month.

More information September 29Ascending node (full moon), October 14Descending node (new moon) ...
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Eclipses in 2042

Lunar Saros 156

Lunar eclipses of 2038–2042

This eclipse is a member of a semester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[4]

The penumbral lunar eclipses on January 21, 2038 and July 16, 2038 occur in the previous lunar year eclipse set, and the penumbral lunar eclipses on April 5, 2042 and September 29, 2042 occur in the next lunar year eclipse set.

More information Lunar eclipse series sets from 2038 to 2042, Descending node ...

Metonic series

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.

More information Metonic events: May 4 and October 28, Descending node ...

Tritos series

This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.

More information Series members between 1801 and 2042 ...
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See also

Notes

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