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August 1952 lunar eclipse
Partial lunar eclipse August 5, 1952 From Wikipedia, the free encyclopedia
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A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Tuesday, August 5, 1952,[1] with an umbral magnitude of 0.5318. 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 only about 1.5 hours before perigee (on August 5, 1952, at 21:25 UTC), the Moon's apparent diameter was larger.[2]
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Visibility
The eclipse was completely visible over east Africa, much of Asia, western Australia, and Antarctica, seen rising over west Africa, Europe, and eastern South America and setting over northeast Asia and eastern Australia.[3]
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Eclipse details
Shown below is a table displaying details about this particular lunar eclipse. It describes various parameters pertaining to this eclipse.[4]
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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.
Related eclipses
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Eclipses in 1952
- A partial lunar eclipse on February 11.
- A total solar eclipse on February 25.
- A partial lunar eclipse on August 5.
- An annular solar eclipse on August 20.
Metonic
- Preceded by: Lunar eclipse of October 18, 1948
- Followed by: Lunar eclipse of May 24, 1956
Tzolkinex
- Preceded by: Lunar eclipse of June 25, 1945
- Followed by: Lunar eclipse of September 17, 1959
Half-Saros
- Preceded by: Solar eclipse of August 1, 1943
- Followed by: Solar eclipse of August 11, 1961
Tritos
- Preceded by: Lunar eclipse of September 5, 1941
- Followed by: Lunar eclipse of July 6, 1963
Lunar Saros 118
- Preceded by: Lunar eclipse of July 26, 1934
- Followed by: Lunar eclipse of August 17, 1970
Inex
- Preceded by: Lunar eclipse of August 26, 1923
- Followed by: Lunar eclipse of July 17, 1981
Triad
- Preceded by: Lunar eclipse of October 4, 1865
- Followed by: Lunar eclipse of June 6, 2039
Lunar eclipses of 1951–1955
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.[5]
The penumbral lunar eclipses on March 23, 1951 and September 15, 1951 occur in the previous lunar year eclipse set, and the lunar eclipses on June 5, 1955 (penumbral) and November 29, 1955 (partial) occur in the next lunar year eclipse set.
Saros 118
This eclipse is a part of Saros series 118, repeating every 18 years, 11 days, and containing 73 events. The series started with a penumbral lunar eclipse on March 2, 1105. It contains partial eclipses from June 8, 1267 through August 12, 1375; total eclipses from August 22, 1393 through June 22, 1880; and a second set of partial eclipses from July 3, 1898 through September 18, 2024. The series ends at member 73 as a penumbral eclipse on May 7, 2403.
The longest duration of totality was produced by member 37 at 99 minutes, 22 seconds on April 7, 1754. All eclipses in this series occur at the Moon’s ascending node of orbit.[6]
Eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.
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.
Inex series
This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.
Half-Saros cycle
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[8] This lunar eclipse is related to two annular solar eclipses of Solar Saros 125.
| August 1, 1943 | August 11, 1961 |
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See also
Notes
External links
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