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September 2024 lunar eclipse

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Partial lunar eclipse of September 17th, 2024

September 2024 lunar eclipse
Partial eclipse
Maximum partiality, 2:44 UTC, from Minneapolis, Minnesota
DateSeptember 18, 2024
Gamma−0.9792
Magnitude0.0869
Saros cycle118 (52 of 73)
Partiality62 minutes, 49 seconds
Penumbral246 minutes, 22 seconds
Contacts (UTC)
P100:41:08
U102:12:51
Greatest02:44:14
U403:15:40
P404:47:25
← March 2024March 2025 →
External videos
video icon timelapse video from Spain
video icon video from Moscow, Russia

A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Wednesday, September 18, 2024, with an umbral magnitude of 0.0869. 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 7 hours before perigee (on September 18, 2024, at 9:20 UTC), the Moon's apparent diameter was larger. This eclipse also occurred during a supermoon.

This eclipse was the final partial lunar eclipse of Lunar Saros 118.

Visibility

The eclipse was completely visible over North and South America, west Africa, and western Europe, seen rising over western North America and the eastern Pacific Ocean and setting over east Africa, eastern Europe, and west and central Asia.


Visibility map

Gallery

Eclipse details

Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.

September 18, 2024 Lunar Eclipse Parameters
Parameter Value
Penumbral Magnitude 1.03922
Umbral Magnitude 0.08685
Gamma −0.97920
Sun Right Ascension 11h44m09.7s
Sun Declination +01°42'52.9"
Sun Semi-Diameter 15'55.1"
Sun Equatorial Horizontal Parallax 08.8"
Moon Right Ascension 23h46m06.1s
Moon Declination -02°35'26.7"
Moon Semi-Diameter 16'42.8"
Moon Equatorial Horizontal Parallax 1°01'20.4"
ΔT 71.5 s

Eclipse season

See also: Eclipse cycle

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.

Eclipse season of September–October 2024
September 18
Ascending node (full moon)
October 2
Descending node (new moon)
Partial lunar eclipse
Lunar Saros 118
Annular solar eclipse
Solar Saros 144

Related eclipses

Eclipses in 2024

Metonic

Tzolkinex

Half-Saros

Tritos

Lunar Saros 118

Inex

Triad

Lunar eclipses of 2024–2027

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.

The penumbral lunar eclipse on July 18, 2027 occurs in the next lunar year eclipse set.

Lunar eclipse series sets from 2024 to 2027
Descending node   Ascending node
Saros Date
Viewing
Type
Chart
Gamma Saros Date
Viewing
Type
Chart
Gamma
113
2024 Mar 25
Penumbral
1.0610 118
2024 Sep 18
Partial
−0.9792
123 2025 Mar 14
Total
0.3485 128 2025 Sep 07
Total
−0.2752
133 2026 Mar 03
Total
−0.3765 138 2026 Aug 28
Partial
0.4964
143 2027 Feb 20
Penumbral
−1.0480 148 2027 Aug 17
Penumbral
1.2797

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.

Greatest First
The greatest eclipse of the series occurred on 1754 Apr 07, lasting 99 minutes, 22 seconds. Penumbral Partial Total Central
1105 Mar 02
1267 Jun 08
1393 Aug 22
1465 Oct 04
Last
Central Total Partial Penumbral
1826 May 21
1880 Jun 22
2024 Sep 18
2403 May 07

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.

Series members 40–61 occur between 1801 and 2200:
40 41 42
1808 May 10 1826 May 21 1844 May 31
43 44 45
1862 Jun 12 1880 Jun 22 1898 Jul 03
46 47 48
1916 Jul 15 1934 Jul 26 1952 Aug 05
49 50 51
1970 Aug 17 1988 Aug 27 2006 Sep 07
52 53 54
2024 Sep 18 2042 Sep 29 2060 Oct 09
55 56 57
2078 Oct 21 2096 Oct 31 2114 Nov 12
58 59 60
2132 Nov 23 2150 Dec 04 2168 Dec 14
61
2186 Dec 26

Half-Saros cycle

A lunar eclipse will precede and follow by solar eclipses by 9 years and 5.5 days (a half saros). This lunar eclipse is related to two partial solar eclipses of Solar Saros 125.

September 13, 2015 September 23, 2033

See also

References

  1. "September 17–18, 2024 Partial Lunar Eclipse". timeanddate. Retrieved 18 November 2024.
  2. "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 18 November 2024.
  3. "Partial Lunar Eclipse of 2024 Sep 18" (PDF). NASA. Retrieved 18 November 2024.
  4. "Partial Lunar Eclipse of 2024 Sep 18". EclipseWise.com. Retrieved 18 November 2024.
  5. van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.
  6. "NASA - Catalog of Lunar Eclipses of Saros 118". eclipse.gsfc.nasa.gov.
  7. Listing of Eclipses of series 118
  8. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros

External links

Lunar eclipses
Lists of lunar eclipses
Lunar eclipses
by era
Lunar eclipses
by saros series
August 2017 lunar eclipse
Partial eclipses
May 2022 lunar eclipse
Total eclipses
February 2017 lunar eclipse
Penumbral eclipses
Partial
Total
Related
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