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Solar eclipse of October 12, 1977

 

Solar eclipse of October 12, 1977

Solar eclipse of October 12, 1977
Map
Type of eclipse
Nature Total
Gamma 0.3836
Magnitude 1.0269
Maximum eclipse
Duration 2m 37s
Coordinates 14.1N 123.6W
Max. width of band 99 km
Times (UTC)
Greatest eclipse 20:27:27
References
Saros 143 (21 of 72)
Catalog # (SE5000) 9459

A total solar eclipse occurred on October 12, 1977. 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 total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across the surface of the Earth, while a partial solar eclipse will be visible over a region thousands of kilometres wide.

Contents

  • Related eclipses 1
    • Solar eclipses of 1975-1978 1.1
    • Metonic series 1.2
  • Notes 2
  • References 3

Related eclipses

Solar eclipses of 1975-1978

Each member 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.
Solar eclipse series sets from 1975-1978
Ascending node   Descending node
Saros Map Saros Map
118
May 11, 1975
Partial
123
November 3, 1975
Partial
128
April 29, 1976
Annular
133
October 23, 1976
Total
138
April 18, 1977
Annular
143
October 12, 1977
Total
148
April 7, 1978
Partial
153
October 2, 1978
Partial

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).

This series has 21 eclipse events between July 31, 1924 and July 31, 2000.

July 31-Aug 1 May 19-20 March 7 December 24-25 October 12
115 117 119 121 123

July 31, 1924

May 19, 1928

March 7, 1932

December 25, 1935

October 12, 1939
125 127 129 131 133

August 1, 1943

May 20, 1947

March 7, 1951

December 25, 1954

October 12, 1958
135 137 139 141 143

July 31, 1962

May 20, 1966

March 7, 1970

December 24, 1973

October 12, 1977
145 147 149 151 153

July 31, 1981

May 19, 1985

March 7, 1989

December 24, 1992

October 12, 1996
155

July 31, 2000

Notes

References

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


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