Solar eclipse of December 4, 1983

Last updated
Solar eclipse of December 4, 1983
SE1983Dec04A.png
Map
Type of eclipse
NatureAnnular
Gamma 0.4015
Magnitude 0.9666
Maximum eclipse
Duration241 s (4 min 1 s)
Coordinates 0°54′N4°42′W / 0.9°N 4.7°W / 0.9; -4.7
Max. width of band131 km (81 mi)
Times (UTC)
Greatest eclipse12:31:15
References
Saros 132 (44 of 71)
Catalog # (SE5000) 9473

An annular solar eclipse occurred at the Moon's descending node of orbit on Sunday, December 4, 1983, with a magnitude of 0.9666. 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. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. Annularity was visible in Cape Verde, Annobón Island of Equatorial Guinea, Gabon, the People's Republic of Congo (today's Republic of Congo), Zaire (today's Democratic Republic of Congo), northern Uganda, southern Sudan (today's South Sudan), northwestern Kenya, Ethiopia and Somalia. The Sun's altitude was 66°. Occurring 6.5 days before apogee (Apogee on December 11, 1983), the Moon's apparent diameter was near the average diameter.

Contents

Eclipses in 1983

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 132

Inex

Triad

Solar eclipses of 1982–1985

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. [1]

The partial solar eclipses on January 25, 1982 and July 20, 1982 occur in the previous lunar year eclipse set.

Solar eclipse series sets from 1982 to 1985
Ascending node Descending node
SarosMapGammaSarosMapGamma
117 June 21, 1982
SE1982Jun21P.png
Partial
−1.2102122 December 15, 1982
SE1982Dec15P.png
Partial
1.1293
127 June 11, 1983
SE1983Jun11T.png
Total
−0.4947132 December 4, 1983
SE1983Dec04A.png
Annular
0.4015
137 May 30, 1984
SE1984May30A.png
Annular
0.2755142
Solar eclipse of 22 November 1984.JPG
Partial in Gisborne,
New Zealand
November 22, 1984
SE1984Nov22T.png
Total
−0.3132
147 May 19, 1985
SE1985May19P.png
Partial
1.072152 November 12, 1985
SE1985Nov12T.png
Total
−0.9795

Saros 132

This eclipse is a part of Saros series 132, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on August 13, 1208. It contains annular eclipses from March 17, 1569 through March 12, 2146; hybrid eclipses on March 23, 2164 and April 3, 2182; and total eclipses from April 14, 2200 through June 19, 2308. The series ends at member 71 as a partial eclipse on September 25, 2470. 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 annularity was produced by member 25 at 6 minutes, 56 seconds on May 9, 1641, and the longest duration of totality will be produced by member 61 at 2 minutes, 14 seconds on June 8, 2290. All eclipses in this series occur at the Moon’s descending node of orbit. [2]

Series members 34–56 occur between 1801 and 2200:
343536
SE1803Aug17A.png
August 17, 1803
SE1821Aug27A.png
August 27, 1821
SE1839Sep07A.png
September 7, 1839
373839
SE1857Sep18A.png
September 18, 1857
SE1875Sep29A.png
September 29, 1875
SE1893Oct09A.png
October 9, 1893
404142
SE1911Oct22A.png
October 22, 1911
SE1929Nov01A.png
November 1, 1929
SE1947Nov12A.png
November 12, 1947
434445
SE1965Nov23A.png
November 23, 1965
SE1983Dec04A.png
December 4, 1983
SE2001Dec14A.png
December 14, 2001
464748
SE2019Dec26A.png
December 26, 2019
SE2038Jan05A.png
January 5, 2038
SE2056Jan16A.png
January 16, 2056
495051
SE2074Jan27A.png
January 27, 2074
SE2092Feb07A.png
February 7, 2092
SE2110Feb18A.png
February 18, 2110
525354
SE2128Mar01A.png
March 1, 2128
SE2146Mar12A.png
March 12, 2146
SE2164Mar23H.png
March 23, 2164
5556
SE2182Apr03H.png
April 3, 2182
SE2200Apr14T.png
April 14, 2200

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.

Inex series members between 1901 and 2100:
SE1926Jan14T.png
January 14, 1926
(Saros 130)
SE1954Dec25A.png
December 25, 1954
(Saros 131)
SE1983Dec04A.png
December 4, 1983
(Saros 132)
SE2012Nov13T.png
November 13, 2012
(Saros 133)
SE2041Oct25A.png
October 25, 2041
(Saros 134)
SE2070Oct04A.png
October 4, 2070
(Saros 135)
SE2099Sep14T.png
September 14, 2099
(Saros 136)

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.

Series members between 1801 and 2200
SE1809Apr14A.gif
April 14, 1809
(Saros 116)
SE1820Mar14T.gif
March 14, 1820
(Saros 117)
SE1831Feb12A.gif
February 12, 1831
(Saros 118)
SE1842Jan11A.gif
January 11, 1842
(Saros 119)
SE1852Dec11T.gif
December 11, 1852
(Saros 120)
SE1863Nov11A.png
November 11, 1863
(Saros 121)
SE1874Oct10An.gif
October 10, 1874
(Saros 122)
SE1885Sep08T.png
September 8, 1885
(Saros 123)
SE1896Aug09T.png
August 9, 1896
(Saros 124)
SE1907Jul10A.png
July 10, 1907
(Saros 125)
SE1918Jun08T.png
June 8, 1918
(Saros 126)
SE1929May09T.png
May 9, 1929
(Saros 127)
SE1940Apr07A.png
April 7, 1940
(Saros 128)
SE1951Mar07A.png
March 7, 1951
(Saros 129)
SE1962Feb05T.png
February 5, 1962
(Saros 130)
SE1973Jan04A.png
January 4, 1973
(Saros 131)
SE1983Dec04A.png
December 4, 1983
(Saros 132)
SE1994Nov03T.png
November 3, 1994
(Saros 133)
SE2005Oct03A.png
October 3, 2005
(Saros 134)
SE2016Sep01A.png
September 1, 2016
(Saros 135)
SE2027Aug02T.png
August 2, 2027
(Saros 136)
SE2038Jul02A.png
July 2, 2038
(Saros 137)
SE2049May31A.png
May 31, 2049
(Saros 138)
SE2060Apr30T.png
April 30, 2060
(Saros 139)
SE2071Mar31A.png
March 31, 2071
(Saros 140)
SE2082Feb27A.png
February 27, 2082
(Saros 141)
SE2093Jan27T.png
January 27, 2093
(Saros 142)
SE2103Dec29A.png
December 29, 2103
(Saros 143)
SE2114Nov27A.png
November 27, 2114
(Saros 144)
SE2125Oct26T.png
October 26, 2125
(Saros 145)
SE2136Sep26T.png
September 26, 2136
(Saros 146)
Saros147 30van80 SE2147Aug26A.jpg
August 26, 2147
(Saros 147)
SE2158Jul25T.png
July 25, 2158
(Saros 148)
Saros149 29van71 SE2169Jun25T.jpg
June 25, 2169
(Saros 149)
Saros150 26van71 SE2180May24A.jpg
May 24, 2180
(Saros 150)
SE2191Apr23A.png
April 23, 2191
(Saros 151)

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 descending node.

21 eclipse events between July 11, 1953 and July 11, 2029
July 10–11April 29–30February 15–16December 4September 21–23
116118120122124
SE1953Jul11P.png
July 11, 1953
SE1957Apr30A.png
April 30, 1957
SE1961Feb15T.png
February 15, 1961
SE1964Dec04P.png
December 4, 1964
SE1968Sep22T.png
September 22, 1968
126128130132134
SE1972Jul10T.png
July 10, 1972
SE1976Apr29A.png
April 29, 1976
SE1980Feb16T.png
February 16, 1980
SE1983Dec04A.png
December 4, 1983
SE1987Sep23A.png
September 23, 1987
136138140142144
SE1991Jul11T.png
July 11, 1991
SE1995Apr29A.png
April 29, 1995
SE1999Feb16A.png
February 16, 1999
SE2002Dec04T.png
December 4, 2002
SE2006Sep22A.png
September 22, 2006
146148150152154
SE2010Jul11T.png
July 11, 2010
SE2014Apr29A.png
April 29, 2014
SE2018Feb15P.png
February 15, 2018
SE2021Dec04T.png
December 4, 2021
SE2025Sep21P.png
September 21, 2025
156
SE2029Jul11P.png
July 11, 2029

Notes

  1. 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.
  2. "NASA - Catalog of Solar Eclipses of Saros 132". eclipse.gsfc.nasa.gov.

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References