- Source: Solar eclipse of November 23, 1946
A partial solar eclipse occurred at the Moon's descending node of orbit on Saturday, November 23, 1946, with a magnitude of 0.7758. 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.
This was the last of four partial solar eclipses in 1946, with the others occurring on January 3, May 30, and June 29.
A partial eclipse was visible for parts of Canada, the United States, the Caribbean, and northern South America.
Eclipse details
Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.
Eclipse season
This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.
Related eclipses
= Eclipses in 1946
=A partial solar eclipse on January 3.
A partial solar eclipse on May 30.
A total lunar eclipse on June 14.
A partial solar eclipse on June 29.
A partial solar eclipse on November 23.
A total lunar eclipse on December 8.
= Metonic
=Preceded by: Solar eclipse of February 4, 1943
Followed by: Solar eclipse of September 12, 1950
= Tzolkinex
=Preceded by: Solar eclipse of October 12, 1939
Followed by: Solar eclipse of January 5, 1954
= Half-Saros
=Preceded by: Lunar eclipse of November 18, 1937
Followed by: Lunar eclipse of November 29, 1955
= Tritos
=Preceded by: Solar eclipse of December 25, 1935
Followed by: Solar eclipse of October 23, 1957
= Solar Saros 122
=Preceded by: Solar eclipse of November 12, 1928
Followed by: Solar eclipse of December 4, 1964
= Inex
=Preceded by: Solar eclipse of December 14, 1917
Followed by: Solar eclipse of November 3, 1975
= Triad
=Preceded by: Solar eclipse of January 23, 1860
Followed by: Solar eclipse of September 23, 2033
= 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.
The partial solar eclipses on January 3, 1946 and June 29, 1946 occur in the previous lunar year eclipse set.
= Saros 122
=This eclipse is a part of Saros series 122, repeating every 18 years, 11 days, and containing 70 events. The series started with a partial solar eclipse on April 17, 991 AD. It contains total eclipses from July 12, 1135 through August 3, 1171; hybrid eclipses on August 13, 1189 and August 25, 1207; and annular eclipses from September 4, 1225 through October 10, 1874. The series ends at member 70 as a partial eclipse on May 17, 2235. 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 was produced by member 9 at 1 minutes, 25 seconds on July 12, 1135, and the longest duration of annularity was produced by member 50 at 6 minutes, 28 seconds on October 10, 1874. All eclipses in this series occur at the Moon’s descending node of orbit.
= 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.
= Tritos series
=This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.
= Inex series
=This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.
References
External links
Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
Besselian elements
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- Solar eclipse of November 23, 1946
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