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{{short description|20th-century partial solar eclipse}}
{{short description|20th-century partial solar eclipse}}
{{Infobox solar eclipse|1949Oct21}}
{{Infobox solar eclipse|1949Oct21}}
A partial [[solar eclipse]] occurred on Friday, October 21, 1949. 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 partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.
A partial [[solar eclipse]] occurred at the Moon's [[Lunar node|descending node]] of orbit on Friday, October 21, 1949, with a [[Magnitude of eclipse|magnitude]] of 0.9638. 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 partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.


== Related eclipses ==
== Related eclipses ==
=== Eclipses in 1949 ===
* [[April 1949 lunar eclipse|A total lunar eclipse on April 13, 1949]].
* [[Solar eclipse of April 28, 1949|A partial solar eclipse on April 28, 1949]].
* [[October 1949 lunar eclipse|A total lunar eclipse on October 7, 1949]].
* '''A partial solar eclipse on October 21, 1949.'''


===Solar eclipses 1946–1949===
=== Metonic ===
* Preceded by: [[Solar eclipse of January 3, 1946]]
* Followed by: [[Solar eclipse of August 9, 1953]]

=== Tzolkinex ===
* Preceded by: [[Solar eclipse of September 10, 1942]]
* Followed by: [[Solar eclipse of December 2, 1956]]

=== Half-Saros ===
* Preceded by: [[October 1940 lunar eclipse|Lunar eclipse of October 16, 1940]]
* Followed by: [[October 1958 lunar eclipse|Lunar eclipse of October 27, 1958]]

=== Tritos ===
* Preceded by: [[Solar eclipse of November 21, 1938]]
* Followed by: [[Solar eclipse of September 20, 1960]]

=== Solar Saros 152 ===
* Preceded by: [[Solar eclipse of October 11, 1931]]
* Followed by: [[Solar eclipse of November 2, 1967]]

=== Inex ===
* Preceded by: [[Solar eclipse of November 10, 1920]]
* Followed by: [[Solar eclipse of October 2, 1978]]

=== Triad ===
* Preceded by: [[Solar eclipse of December 21, 1862]]
* Followed by: [[Solar eclipse of August 21, 2036]]

=== Solar eclipses of 1946–1949 ===
{{Solar eclipse set 1946–1949}}
{{Solar eclipse set 1946–1949}}

=== Saros 152 ===
{{Solar Saros series 152}}


==References==
==References==

Revision as of 01:08, 9 July 2024

Solar eclipse of October 21, 1949
Map
Type of eclipse
NaturePartial
Gamma−1.027
Magnitude0.9638
Maximum eclipse
Coordinates61°30′S 107°30′E / 61.5°S 107.5°E / -61.5; 107.5
Times (UTC)
Greatest eclipse21:13:01
References
Saros152 (9 of 70)
Catalog # (SE5000)9397

A partial solar eclipse occurred at the Moon's descending node of orbit on Friday, October 21, 1949, with a magnitude of 0.9638. 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 partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.

Eclipses in 1949

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 152

Inex

Triad

Solar eclipses of 1946–1949

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]

The partial solar eclipses on January 3, 1946 and June 29, 1946 occur in the previous lunar year eclipse set.

Solar eclipse series sets from 1946 to 1949
Ascending node   Descending node
Saros Map Gamma Saros Map Gamma
117 May 30, 1946

Partial 		−1.0711 122 November 23, 1946

Partial 		1.105
127 May 20, 1947

Total 		−0.3528 132 November 12, 1947

Annular 		0.3743
137 May 9, 1948

Annular 		0.4133 142 November 1, 1948

Total 		−0.3517
147 April 28, 1949

Partial 		1.2068 152 October 21, 1949

Partial 		−1.027

Saros 152

This eclipse is a part of Saros series 152, repeating every 18 years, 11 days, and containing 70 events. The series started with a partial solar eclipse on July 26, 1805. It contains total eclipses from November 2, 1967 through September 14, 2490; hybrid eclipses from September 26, 2508 through October 17, 2544; and annular eclipses from October 29, 2562 through June 16, 2941. The series ends at member 70 as a partial eclipse on August 20, 3049. Its eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.

The longest duration of totality will be produced by member 30 at 5 minutes, 16 seconds on June 9, 2328, and the longest duration of annularity will be produced by member 53 at 5 minutes, 20 seconds on February 16, 2743. All eclipses in this series occur at the Moon’s descending node of orbit.[2]

Series members 1–22 occur between 1805 and 2200:
1 2 3

July 26, 1805
August 6, 1823
August 16, 1841
4 5 6

August 28, 1859
September 7, 1877
September 18, 1895
7 8 9

September 30, 1913
October 11, 1931
October 21, 1949
10 11 12

November 2, 1967
November 12, 1985
November 23, 2003
13 14 15

December 4, 2021
December 15, 2039
December 26, 2057
16 17 18

January 6, 2076
January 16, 2094
January 29, 2112
19 20 21

February 8, 2130
February 19, 2148
March 2, 2166
22

March 12, 2184

References

  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. ^ "NASA - Catalog of Solar Eclipses of Saros 152". eclipse.gsfc.nasa.gov.


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