Solar eclipse of October 1, 1940

Last updated
Solar eclipse of October 1, 1940
SE1940Oct01T.png
Map
Type of eclipse
NatureTotal
Gamma -0.2573
Magnitude 1.0645
Maximum eclipse
Duration335 sec (5 m 35 s)
Coordinates 17°30′S18°12′W / 17.5°S 18.2°W / -17.5; -18.2
Max. width of band218 km (135 mi)
Times (UTC)
Greatest eclipse12:44:06
References
Saros 133 (41 of 72)
Catalog # (SE5000) 9376

A total solar eclipse occurred on Tuesday, October 1, 1940. 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's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. Totality was visible from Colombia, Brazil, Venezuela and South Africa.

Contents

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 133

Solar Saros 133, repeating every 18 years, 11 days, contains 72 events. The series started with a partial solar eclipse on July 13, 1219. It contains annular eclipses from November 20, 1435, through January 13, 1526, with a hybrid eclipse on January 24, 1544. It has total eclipses from February 3, 1562, through June 21, 2373. The series ends at member 72 as a partial eclipse on September 5, 2499. The longest duration of totality was 6 minutes, 49.97 seconds on August 7, 1850. [2] The total eclipses of this saros series are getting shorter and farther south with each iteration. All eclipses in this series occurs at the Moon’s ascending node.

Series members 30–56 occur between 1742 and 2211
303132
June 3, 1742 June 13, 1760 SE1778Jun24T.png
June 24, 1778
333435
July 4, 1796 July 17, 1814 July 27, 1832
363738
August 7, 1850 SE1868Aug18T.png
August 18, 1868
SE1886Aug29T.png
August 29, 1886
394041
SE1904Sep09T.png
September 9, 1904
SE1922Sep21T.png
September 21, 1922
SE1940Oct01T.png
October 1, 1940
424344
SE1958Oct12T.png
October 12, 1958
SE1976Oct23T.png
October 23, 1976
SE1994Nov03T.png
November 3, 1994
454647
SE2012Nov13T.png
November 13, 2012
SE2030Nov25T.png
November 25, 2030
SE2048Dec05T.png
December 5, 2048
484950
SE2066Dec17T.png
December 17, 2066
SE2084Dec27T.png
December 27, 2084
SE2103Jan08T.png
January 8, 2103
515253
SE2121Jan19T.png
January 19, 2121
SE2139Jan30T.png
January 30, 2139
SE2157Feb09T.png
February 9, 2157
545556
SE2175Feb21T.png
February 21, 2175
SE2193Mar03T.png
March 3, 2193
SE2211Mar15T.png
March 15, 2211

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).

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.
  2. http://eclipse.gsfc.nasa.gov/SEsaros/SEsaros133.html

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References