Solar eclipse of October 23, 1957

Solar eclipse of October 23, 1957
	Map
Type of eclipse
Nature	Total
Gamma	1.0022
Magnitude	1.0013
Maximum eclipse
Duration	-
Coordinates	71°12′S 23°06′W / 71.2°S 23.1°W
Max. width of band	- km
Times (UTC)
Greatest eclipse	4:54:02
References
Saros	123 (50 of 70)
Catalog # (SE5000)	9415

A total solar eclipse occurred on October 23, 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. 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.

Related eclipses

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
Saros	Map	Saros	Map
118	April 30, 1957 Annular	123	October 23, 1957 Total
128	April 19, 1958 Annular	133	October 12, 1958 Total
138	April 8, 1959 Annular	143	October 2, 1959 Total
148	March 27, 1960 Partial	153	September 20, 1960 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).

21 eclipse events between August 12, 1942 and August 11, 2018
August 10-12	May 30	March 18	January 4-5	October 23-24
115	117	119	121	123
August 12, 1942	May 30, 1946	March 18, 1950	January 5, 1954	October 23, 1957
125	127	129	131	133
August 11, 1961	May 30, 1965	March 18, 1969	January 4, 1973	October 23, 1976
135	137	139	141	143
August 10, 1980	May 30, 1984	March 18, 1988	January 4, 1992	October 24, 1995
145	147	149	151	153
August 11, 1999	May 31, 2003	March 19, 2007	January 4, 2011	October 23, 2014
155
August 11, 2018

Notes

↑ 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.

References

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

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[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.