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Penumbral lunar eclipse 26 May 2002 From Wikipedia, the free encyclopedia
A penumbral lunar eclipse occurred at the Moon’s descending node of orbit on Sunday, May 26, 2002,[1] with an umbral magnitude of −0.2871. 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 about 3.1 days after perigee (on May 23, 2002, at 11:30 UTC), the Moon's apparent diameter was larger.[2]
The eclipse was completely visible over Australia, the Pacific Ocean, and Antarctica, seen rising over much of Asia and setting over much of North America and western South America.[3]
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 Hourly motion shown right to left |
This eclipse appears in the 2022 film Turning Red, although it differs from actual events. It is depicted as taking place on the evening of 25 May, rather than the early morning hours of 26 May. Additionally, the film takes place in Toronto, where the total eclipse was not visible.
Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.[4]
| Parameter | Value |
|---|---|
| Penumbral Magnitude | 0.69104 |
| Umbral Magnitude | −0.28705 |
| Gamma | 1.17591 |
| Sun Right Ascension | 04h12m31.0s |
| Sun Declination | +21°08'37.3" |
| Sun Semi-Diameter | 15'47.3" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 16h13m52.1s |
| Moon Declination | -20°01'35.7" |
| Moon Semi-Diameter | 16'08.5" |
| Moon Equatorial Horizontal Parallax | 0°59'14.5" |
| ΔT | 64.3 s |
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.
| May 26 Descending node (full moon) | June 10 Ascending node (new moon) | June 24 Descending node (full moon) |
|---|---|---|
|  |  |
| Penumbral lunar eclipse Lunar Saros 111 | Annular solar eclipse Solar Saros 137 | Penumbral lunar eclipse Lunar Saros 149 |
| Lunar eclipse series sets from 2002–2005 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Descending node | Ascending node | |||||||
| Saros Photo |
Date View |
Type Chart |
Gamma | Saros Photo |
Date View |
Type Chart |
Gamma | |
| 111 | 2002 May 26 |
penumbral |
1.1759 | 116 | 2002 Nov 20 |
penumbral |
−1.1127 | |
121 |
2003 May 16 |
total |
0.4123 | 126 |
2003 Nov 09 |
total |
−0.4319 | |
131 |
2004 May 04 |
total |
−0.3132 | 136 |
2004 Oct 28 |
total |
0.2846 | |
| 141 | 2005 Apr 24 |
penumbral |
−1.0885 | 146_(cropped).jpg) |
2005 Oct 17 |
partial |
0.9796 | |
| Last set | 2002 Jun 24 | Last set | 2001 Dec 30 | |||||
| Next set | 2006 Mar 14 | Next set | 2006 Sep 07 | |||||
Lunar Saros 111, repeating every 18 years and 11 days, has a total of 71 lunar eclipse events including 11 total lunar eclipses. The first total lunar eclipse of this series was on 19 April 1353, and last was on 4 August 1533. The longest occurrence of this series was on 12 June 1443 when the totality lasted 106 minutes.
First eclipse: May 26, 2002. Second eclipse: 26 May 2021. Third eclipse: 26 May 2040. Fourth eclipse: 27 May 2059.
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[5] This lunar eclipse is related to two partial solar eclipses of Solar Saros 118.
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