Solar eclipse of September 13, 2015

21st-century partial solar eclipse From Wikipedia, the free encyclopedia

Solar eclipse of September 13, 2015

A partial solar eclipse occurred at the Moon's ascending node of orbit on Sunday, September 13, 2015,[1][2][3][4] with a magnitude of 0.7875. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.

Quick Facts Gamma, Magnitude ...
Solar eclipse of September 13, 2015
Partial eclipse
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From the Solar Dynamics Observatory
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Map
Gamma−1.1004
Magnitude0.7875
Maximum eclipse
Coordinates72.1°S 2.3°W / -72.1; -2.3
Times (UTC)
Greatest eclipse6:55:19
References
Saros125 (54 of 73)
Catalog # (SE5000)9542
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A partial eclipse was visible for parts of Southern Africa and East Antarctica.

Images

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Animated path
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View from center of sun

Eclipse details

Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.[5]

More information Event, Time (UTC) ...
September 13, 2015 Solar Eclipse Times
Event Time (UTC)
First Penumbral External Contact 2015 September 13 at 04:42:47.9 UTC
Ecliptic Conjunction 2015 September 13 at 06:42:23.9 UTC
Greatest Eclipse 2015 September 13 at 06:55:19.2 UTC
Equatorial Conjunction 2015 September 13 at 07:36:27.0 UTC
Last Penumbral External Contact 2015 September 13 at 09:07:32.8 UTC
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More information Parameter, Value ...
September 13, 2015 Solar Eclipse Parameters
Parameter Value
Eclipse Magnitude 0.78750
Eclipse Obscuration 0.70966
Gamma −1.10039
Sun Right Ascension 11h23m54.6s
Sun Declination +03°53'20.1"
Sun Semi-Diameter 15'53.6"
Sun Equatorial Horizontal Parallax 08.7"
Moon Right Ascension 11h22m43.3s
Moon Declination +02°56'47.8"
Moon Semi-Diameter 14'43.0"
Moon Equatorial Horizontal Parallax 0°54'00.6"
ΔT 67.8 s
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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.

More information September 13Ascending node (new moon), September 28Descending node (full moon) ...
Eclipse season of September 2015
September 13
Ascending node (new moon)
September 28
Descending node (full moon)
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Partial solar eclipse
Solar Saros 125
Total lunar eclipse
Lunar Saros 137
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Eclipses in 2015

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 125

Inex

Triad

Solar eclipses of 2015–2018

This eclipse is a member of a semester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[6]

The partial solar eclipse on July 13, 2018 occurs in the next lunar year eclipse set.

More information series sets from 2015 to 2018, Descending node ...
Solar eclipse series sets from 2015 to 2018
Descending node   Ascending node
Saros Map Gamma Saros Map Gamma
120
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Totality in Longyearbyen, Svalbard
March 20, 2015
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Total
0.94536 125
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Solar Dynamics Observatory

September 13, 2015
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Partial
−1.10039
130
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Balikpapan, Indonesia
March 9, 2016
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Total
0.26092 135
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Annularity in L'Étang-Salé, Réunion
September 1, 2016
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Annular
−0.33301
140
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Partial from Buenos Aires, Argentina
February 26, 2017
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Annular
−0.45780 145
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Totality in Madras, OR, USA
August 21, 2017
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Total
0.43671
150
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Partial in Olivos, Buenos Aires, Argentina
February 15, 2018
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Partial
−1.21163 155
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Partial in Huittinen, Finland
August 11, 2018
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Partial
1.14758
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Saros 125

This eclipse is a part of Saros series 125, repeating every 18 years, 11 days, and containing 73 events. The series started with a partial solar eclipse on February 4, 1060. It contains total eclipses from June 13, 1276 through July 16, 1330; hybrid eclipses on July 26, 1348 and August 7, 1366; and annular eclipses from August 17, 1384 through August 22, 1979. The series ends at member 73 as a partial eclipse on April 9, 2358. Its 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.

The longest duration of totality was produced by member 14 at 1 minutes, 11 seconds on June 25, 1294, and the longest duration of annularity was produced by member 48 at 7 minutes, 23 seconds on July 10, 1907. All eclipses in this series occur at the Moon’s ascending node of orbit.[7]

More information Series members 43–64 occur between 1801 and 2200: ...
Series members 43–64 occur between 1801 and 2200:
43 44 45
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May 16, 1817
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May 27, 1835
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June 6, 1853
46 47 48
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June 18, 1871
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June 28, 1889
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July 10, 1907
49 50 51
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July 20, 1925
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August 1, 1943
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August 11, 1961
52 53 54
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August 22, 1979
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September 2, 1997
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September 13, 2015
55 56 57
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September 23, 2033
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October 4, 2051
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October 15, 2069
58 59 60
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October 26, 2087
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November 6, 2105
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November 18, 2123
61 62 63
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November 28, 2141
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December 9, 2159
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December 20, 2177
64
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December 31, 2195
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Metonic series

The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days). All eclipses in this table occur at the Moon's ascending node.

More information 21 eclipse events between July 1, 2000 and July 1, 2076, July 1–2 ...
21 eclipse events between July 1, 2000 and July 1, 2076
July 1–2 April 19–20 February 5–7 November 24–25 September 12–13
117 119 121 123 125
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July 1, 2000
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April 19, 2004
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February 7, 2008
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November 25, 2011
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September 13, 2015
127 129 131 133 135
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July 2, 2019
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April 20, 2023
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February 6, 2027
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November 25, 2030
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September 12, 2034
137 139 141 143 145
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July 2, 2038
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April 20, 2042
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February 5, 2046
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November 25, 2049
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September 12, 2053
147 149 151 153 155
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July 1, 2057
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April 20, 2061
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February 5, 2065
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November 24, 2068
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September 12, 2072
157
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July 1, 2076
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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 2200 ...
Series members between 1801 and 2200
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March 25, 1819
(Saros 107)
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February 23, 1830
(Saros 108)
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January 22, 1841
(Saros 109)
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November 21, 1862
(Saros 111)
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August 20, 1895
(Saros 114)
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July 21, 1906
(Saros 115)
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June 19, 1917
(Saros 116)
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May 19, 1928
(Saros 117)
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April 19, 1939
(Saros 118)
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March 18, 1950
(Saros 119)
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February 15, 1961
(Saros 120)
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January 16, 1972
(Saros 121)
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December 15, 1982
(Saros 122)
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November 13, 1993
(Saros 123)
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October 14, 2004
(Saros 124)
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September 13, 2015
(Saros 125)
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August 12, 2026
(Saros 126)
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July 13, 2037
(Saros 127)
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June 11, 2048
(Saros 128)
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May 11, 2059
(Saros 129)
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April 11, 2070
(Saros 130)
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March 10, 2081
(Saros 131)
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February 7, 2092
(Saros 132)
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January 8, 2103
(Saros 133)
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December 8, 2113
(Saros 134)
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November 6, 2124
(Saros 135)
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October 7, 2135
(Saros 136)
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September 6, 2146
(Saros 137)
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August 5, 2157
(Saros 138)
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July 5, 2168
(Saros 139)
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June 5, 2179
(Saros 140)
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May 4, 2190
(Saros 141)
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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.

More information Series members between 1801 and 2200 ...
Series members between 1801 and 2200
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February 1, 1813
(Saros 118)
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January 11, 1842
(Saros 119)
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December 22, 1870
(Saros 120)
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December 3, 1899
(Saros 121)
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November 12, 1928
(Saros 122)
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October 23, 1957
(Saros 123)
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October 3, 1986
(Saros 124)
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September 13, 2015
(Saros 125)
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August 23, 2044
(Saros 126)
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August 3, 2073
(Saros 127)
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July 15, 2102
(Saros 128)
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June 25, 2131
(Saros 129)
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June 4, 2160
(Saros 130)
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May 15, 2189
(Saros 131)
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References

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