Solar eclipse of April 19, 1939

Last updated
Solar eclipse of April 19, 1939
SE1939Apr19A.png
Map
Type of eclipse
NatureAnnular
Gamma 0.9388
Magnitude 0.9731
Maximum eclipse
Duration109 sec (1 m 49 s)
Coordinates 73°06′N129°06′W / 73.1°N 129.1°W / 73.1; -129.1
Max. width of band285 km (177 mi)
Times (UTC)
Greatest eclipse16:45:53
References
Saros 118 (64 of 72)
Catalog # (SE5000) 9373

An annular solar eclipse occurred on Wednesday, April 19, 1939. 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.

Contents

This annular eclipse is notable in that the path of annularity passed over the North Pole. Land covered in the path include part of Alaska, Canada, and Franz Josef Land, Ushakov Island and Vize Island in the Soviet Union (today's Russia). This was the umbral eclipse number 56 out of 57 of Solar Saros 118, this is the last central solar eclipse, and the penultimate umbral eclipse, with last (ultimate) in 1957.

Solar eclipses 1939–1942

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 1939–1942
Descending node Ascending node
SarosMapSarosMap
118 April 19, 1939
SE1939Apr19A.png
Annular
123 October 12, 1939
SE1939Oct12T.png
Total
128 April 7, 1940
SE1940Apr07A.png
Annular
133 October 1, 1940
SE1940Oct01T.png
Total
138 March 27, 1941
SE1941Mar27A.png
Annular
143 September 21, 1941
SE1941Sep21T.png
Total
148 March 16, 1942
SE1942Mar16P.png
Partial
153 September 10, 1942
SE1942Sep10P.png
Partial
The partial solar eclipse on August 12, 1942 occurs in the next lunar year eclipse set.

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.

22 eclipse events between September 12, 1931 and July 1, 2011.
September 11-12June 30-July 1April 17-19February 4-5November 22-23
114116118120122
SE1931Sep12P.png
September 12, 1931
SE1935Jun30P.png
June 30, 1935
SE1939Apr19A.png
April 19, 1939
SE1943Feb04T.png
February 4, 1943
SE1946Nov23P.png
November 23, 1946
124126128130132
SE1950Sep12T.png
September 12, 1950
SE1954Jun30T.png
June 30, 1954
SE1958Apr19A.png
April 19, 1958
SE1962Feb05T.png
February 5, 1962
SE1965Nov23A.png
November 23, 1965
134136138140142
SE1969Sep11A.png
September 11, 1969
SE1973Jun30T.png
June 30, 1973
SE1977Apr18A.png
April 18, 1977
SE1981Feb04A.png
February 4, 1981
SE1984Nov22T.png
November 22, 1984
144146148150152
SE1988Sep11A.png
September 11, 1988
SE1992Jun30T.png
June 30, 1992
SE1996Apr17P.png
April 17, 1996
SE2000Feb05P.png
February 5, 2000
SE2003Nov23T.png
November 23, 2003
154156
SE2007Sep11P.png
September 11, 2007
SE2011Jul01P.png
July 1, 2011

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