Solar eclipse of July 20, 1982

20th-century partial solar eclipse
68°36′N 64°12′E / 68.6°N 64.2°E / 68.6; 64.2Times (UTC)Greatest eclipse18:44:44ReferencesSaros155 (4 of 71)Catalog # (SE5000)9469

A partial solar eclipse occurred on July 20, 1982. 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.

Related eclipses

Eclipses in 1982

Solar eclipses of 1979–1982

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] There were 8 solar eclipses between February 26, 1979 and July 20, 1982. Were there: February 26, 1979 (total solar eclipse, 0.8 days after perigee, 103.9%, 0.89811 gamma, saros 120), August 22, 1979 (small annular solar eclipse, 0.6 days before apogee, 93.3%, −0.96319 gamma, saros 125), February 16, 1980 (total solar eclipse, 1 day before perigee, 104.3%, 0.22244 gamma, saros 130), August 10, 1980 (large annular solar eclipse, 5 days before apogee, 97.3%, −0.19154 gamma, saros 135), February 4, 1981 (large annular solar eclipse, 4 days before perigee, 99.4%, −0.48375 gamma, saros 140), July 31, 1981 (total solar eclipse, 3.8 days after perigee, 102.6%, 0.57917 gamma, saros 145), January 25, 1982 (moderate partial solar eclipse, 4.7 days after apogee, 56.6%, −1.23110 gamma, saros 150) and July 20, 1982 (small partial solar eclipse, 0.9 days after perigee, 46.4%, 1.28859 gamma, saros 155).

Solar eclipse series sets from 1979 to 1982
Descending node   Ascending node
Saros Map Gamma Saros Map Gamma
120
1979 February 26
Total		 0.89811 125
1979 August 22
Annular		 −0.96319
130
1980 February 16
Total		 0.22244 135
1980 August 10
Annular		 −0.19154
140
1981 February 4
Annular		 −0.48375 145
1981 July 31
Total		 0.57917
150
1982 January 25
Partial		 −1.23110 155
1982 July 20
Partial		 1.28859
Partial solar eclipses on June 21, 1982 and December 15, 1982 occur in the next lunar year eclipse set.

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).

22 eclipse events between December 13, 1898 and July 20, 1982
December 13–14 October 1–2 July 20–21 May 9 February 24–25
111 113 115 117 119

December 13, 1898
July 21, 1906
May 9, 1910
February 25, 1914
121 123 125 127 129

December 14, 1917
October 1, 1921
July 20, 1925
May 9, 1929
February 24, 1933
131 133 135 137 139

December 13, 1936
October 1, 1940
July 20, 1944
May 9, 1948
February 25, 1952
141 143 145 147 149

December 14, 1955
October 2, 1959
July 20, 1963
May 9, 1967
February 25, 1971
151 153 155

December 13, 1974
October 2, 1978
July 20, 1982

References

  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.

External links

  • Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
    • Google interactive map
    • Besselian elements
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