Solar eclipse of June 21, 1982

Last updated
Solar eclipse of June 21, 1982
SE1982Jun21P.png
Map
Type of eclipse
NaturePartial
Gamma −1.2102
Magnitude 0.6168
Maximum eclipse
Coordinates 65°54′S13°12′E / 65.9°S 13.2°E / -65.9; 13.2
Times (UTC)
Greatest eclipse12:04:33
References
Saros 117 (67 of 71)
Catalog # (SE5000) 9470

A partial solar eclipse occurred at the Moon's ascending node of orbit on Monday, June 21, 1982, [1] with a magnitude of 0.6168. 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.

Contents

This was the second of four partial solar eclipses in 1982, with the others occurring on January 25, July 20, and December 15.

A partial eclipse was visible for parts of Southern Africa.

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. [2]

June 21, 1982 Solar Eclipse Times
EventTime (UTC)
First Penumbral External Contact1982 June 21 at 10:28:43.0 UTC
Equatorial Conjunction1982 June 21 at 11:52:25.6 UTC
Ecliptic Conjunction1982 June 21 at 11:52:38.0 UTC
Greatest Eclipse1982 June 21 at 12:04:32.7 UTC
Last Penumbral External Contact1982 June 21 at 13:40:27.7 UTC
June 21, 1982 Solar Eclipse Parameters
ParameterValue
Eclipse Magnitude0.61683
Eclipse Obscuration0.53357
Gamma−1.21017
Sun Right Ascension05h59m04.6s
Sun Declination+23°26'26.0"
Sun Semi-Diameter15'44.2"
Sun Equatorial Horizontal Parallax08.7"
Moon Right Ascension05h59m35.7s
Moon Declination+22°12'41.3"
Moon Semi-Diameter16'43.2"
Moon Equatorial Horizontal Parallax1°01'21.9"
ΔT52.5 s

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. The first and last eclipse in this sequence is separated by one synodic month.

Eclipse season of June–July 1982
June 21
Ascending node (new moon)
 July 6
Descending node (full moon)
 July 20
Ascending node (new moon)
SE1982Jun21P.png Lunar eclipse chart close-1982Jul06.png SE1982Jul20P.png
Partial solar eclipse
Solar Saros 117		 Total lunar eclipse
Lunar Saros 129		 Partial solar eclipse
Solar Saros 155

Eclipses in 1982

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 117

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. [3]

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 117

This eclipse is a part of Saros series 117, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on June 24, 792 AD. It contains annular eclipses from September 18, 936 AD through May 14, 1333; hybrid eclipses from May 25, 1351 through July 8, 1423; and total eclipses from July 18, 1441 through May 19, 1928. The series ends at member 71 as a partial eclipse on August 3, 2054. 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 16 at 9 minutes, 26 seconds on December 3, 1062, and the longest duration of totality was produced by member 62 at 4 minutes, 19 seconds on April 26, 1892. All eclipses in this series occur at the Moon’s ascending node of orbit. [4]

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.

21 eclipse events between June 21, 1982 and June 21, 2058
June 21April 8–9January 26November 13–14September 1–2
117119121123125
SE1982Jun21P.png
June 21, 1982 		SE1986Apr09P.png
April 9, 1986 		SE1990Jan26A.png
January 26, 1990 		SE1993Nov13P.png
November 13, 1993 		SE1997Sep02P.png
September 2, 1997
127129131133135
SE2001Jun21T.png
June 21, 2001 		SE2005Apr08H.png
April 8, 2005 		SE2009Jan26A.png
January 26, 2009 		SE2012Nov13T.png
November 13, 2012 		SE2016Sep01A.png
September 1, 2016
137139141143145
SE2020Jun21A.png
June 21, 2020 		SE2024Apr08T.png
April 8, 2024 		SE2028Jan26A.png
January 26, 2028 		SE2031Nov14H.png
November 14, 2031 		SE2035Sep02T.png
September 2, 2035
147149151153155
SE2039Jun21A.png
June 21, 2039 		SE2043Apr09T.png
April 9, 2043 		SE2047Jan26P.png
January 26, 2047 		SE2050Nov14P.png
November 14, 2050 		SE2054Sep02P.png
September 2, 2054
157
SE2058Jun21P.png
June 21, 2058

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.

The partial solar eclipses on March 27, 1884 (part of Saros 108) and December 24, 1916 (part of Saros 111) are also a part of this series but are not included in the table below.

Series members between 1971 and 2200
SE1971Jul22P.png
July 22, 1971
(Saros 116)		 SE1982Jun21P.png
June 21, 1982
(Saros 117)		 SE1993May21P.png
May 21, 1993
(Saros 118)		 SE2004Apr19P.png
April 19, 2004
(Saros 119)		 SE2015Mar20T.png
March 20, 2015
(Saros 120)
SE2026Feb17A.png
February 17, 2026
(Saros 121)		 SE2037Jan16P.png
January 16, 2037
(Saros 122)		 SE2047Dec16P.png
December 16, 2047
(Saros 123)		 SE2058Nov16P.png
November 16, 2058
(Saros 124)		 SE2069Oct15P.png
October 15, 2069
(Saros 125)
SE2080Sep13P.png
September 13, 2080
(Saros 126)		 SE2091Aug15T.png
August 15, 2091
(Saros 127)		 SE2102Jul15A.png
July 15, 2102
(Saros 128)		 SE2113Jun13T.png
June 13, 2113
(Saros 129)		 SE2124May14T.png
May 14, 2124
(Saros 130)
SE2135Apr13A.png
April 13, 2135
(Saros 131)		 SE2146Mar12A.png
March 12, 2146
(Saros 132)		 SE2157Feb09T.png
February 9, 2157
(Saros 133)		 SE2168Jan10A.png
January 10, 2168
(Saros 134)		 SE2178Dec09A.png
December 9, 2178
(Saros 135)
SE2189Nov08T.png
November 8, 2189
(Saros 136)		 SE2200Oct09A.png
October 9, 2200
(Saros 137)

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.

Series members between 1801 and 2200
SE1808Oct19P.gif
October 19, 1808
(Saros 111)
SE1895Aug20P.gif
August 20, 1895
(Saros 114)		 SE1924Jul31P.png
July 31, 1924
(Saros 115)		 SE1953Jul11P.png
July 11, 1953
(Saros 116)
SE1982Jun21P.png
June 21, 1982
(Saros 117)		 SE2011Jun01P.png
June 1, 2011
(Saros 118)		 SE2040May11P.png
May 11, 2040
(Saros 119)
SE2069Apr21P.png
April 21, 2069
(Saros 120)		 SE2098Apr01P.png
April 1, 2098
(Saros 121)		 Saros122 64van70 SE2127Mar13P.jpg
March 13, 2127
(Saros 122)
Saros123 61van70 SE2156Feb21P.jpg
February 21, 2156
(Saros 123)		 Saros124 64van73 SE2185Jan31P.jpg
January 31, 2185
(Saros 124)

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References

  1. ↑ "June 21, 1982 Partial Solar Eclipse". timeanddate. Retrieved 9 August 2024.
  2. ↑ "Partial Solar Eclipse of 1982 Jun 21". EclipseWise.com. Retrieved 9 August 2024.
  3. ↑ 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.
  4. ↑ "NASA - Catalog of Solar Eclipses of Saros 117". eclipse.gsfc.nasa.gov.
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