Solar eclipse of April 30, 1957

Last updated
Solar eclipse of April 30, 1957
SE1957Apr30A.png
Map
Type of eclipse
NatureAnnular
Gamma 0.9992
Magnitude 0.9799
Maximum eclipse
Duration-
Coordinates 70°36′N40°18′E / 70.6°N 40.3°E / 70.6; 40.3
Max. width of band- km
Times (UTC)
Greatest eclipse0:05:28
References
Saros 118 (65 of 72)
Catalog # (SE5000) 9414

An annular solar eclipse occurred on April 30, 1957. 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. This annular solar eclipse was non-central. Instead, over half of the antumbral shadow fell off into space throughout the eclipse. Gamma had a value of 0.9992. Annularity was visible from northern Soviet Union (today's Russia) and Bear Island, the southernmost island of Svalbard, Norway.

Contents

This was the last of 57 umbral eclipses of Solar Saros 118. The 1st was in 947 AD and the 57th was in 1957. The total duration is 1010 years.

While it was an annular solar eclipse, it was a non-central solar eclipse.

Solar eclipses of 1957–1960

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]

Solar eclipse series sets from 1957–1960
Descending node Ascending node
SarosMapSarosMap
118 SE1957Apr30A.png
1957 April 30
Annular (non-central)
123 SE1957Oct23T.png
1957 October 23
Total (non-central)
128 SE1958Apr19A.png
1958 April 19
Annular
133 SE1958Oct12T.png
1958 October 12
Total
138 SE1959Apr08A.png
1959 April 8
Annular
143 SE1959Oct02T.png
1959 October 2
Total
148 SE1960Mar27P.png
1960 March 27
Partial
153 SE1960Sep20P.png
1960 September 20
Partial

Saros 118

It is a part of Saros cycle 118, repeating every 18 years, 11 days, containing 72 events. The series started with partial solar eclipse on May 24, 803 AD. It contains total eclipses from August 19, 947 AD through October 25, 1650, hybrid eclipses on November 4, 1668, and November 15, 1686, and annular eclipses from November 27, 1704, through April 30, 1957. The series ends at member 72 as a partial eclipse on July 15, 2083. The longest duration of total was 6 minutes, 59 seconds on May 16, 1398.

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, progressing from north to south between July 11, 1953 and July 11, 2029
July 10–12April 29–30February 15–16December 4–5September 21–23
9698100102104
July 12, 1915April 30, 1919February 15, 1923December 5, 1926September 22, 1930
106108110112114
July 11, 1934April 30, 1938February 15, 1942December 4, 1945September 22, 1949
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
156158160162164
SE2029Jul11P.png
July 11, 2029
April 29, 2033February 15, 2037December 4, 2040September 21, 2044

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.

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References