Solar eclipse of November 23, 1946
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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.
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 1946 November 23 at 15:24:47.5 UTC |
| Equatorial Conjunction | 1946 November 23 at 16:55:38.1 UTC |
| Ecliptic Conjunction | 1946 November 23 at 17:24:13.7 UTC |
| Greatest Eclipse | 1946 November 23 at 17:37:12.3 UTC |
| Last Penumbral External Contact | 1946 November 23 at 19:49:56.7 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 0.77586 |
| Eclipse Obscuration | 0.69076 |
| Gamma | 1.10500 |
| Sun Right Ascension | 15h54m45.3s |
| Sun Declination | -20°19'54.3" |
| Sun Semi-Diameter | 16'12.0" |
| Sun Equatorial Horizontal Parallax | 08.9" |
| Moon Right Ascension | 15h56m01.8s |
| Moon Declination | -19°22'58.6" |
| Moon Semi-Diameter | 14'45.7" |
| Moon Equatorial Horizontal Parallax | 0°54'10.6" |
| ΔT | 27.7 s |
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.
| November 23 Descending node (new moon) | December 8 Ascending node (full moon) |
|---|---|
| Partial solar eclipse Solar Saros 122 | Total lunar eclipse Lunar Saros 134 |
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.
| 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 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.
| Series members 46–68 occur between 1801 and 2200: | ||
|---|---|---|
| 46 | 47 | 48 |
| August 28, 1802 | September 7, 1820 | September 18, 1838 |
| 49 | 50 | 51 |
| September 29, 1856 | October 10, 1874 | October 20, 1892 |
| 52 | 53 | 54 |
| November 2, 1910 | November 12, 1928 | November 23, 1946 |
| 55 | 56 | 57 |
| December 4, 1964 | December 15, 1982 | December 25, 2000 |
| 58 | 59 | 60 |
| January 6, 2019 | January 16, 2037 | January 27, 2055 |
| 61 | 62 | 63 |
| February 7, 2073 | February 18, 2091 | March 1, 2109 |
| 64 | 65 | 66 |
| March 13, 2127 | March 23, 2145 | April 3, 2163 |
| 67 | 68 | |
| April 14, 2181 | April 25, 2199 |
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 11–12 | June 30–July 1 | April 17–19 | February 4–5 | November 22–23 |
| 114 | 116 | 118 | 120 | 122 |
| September 12, 1931 | June 30, 1935 | April 19, 1939 | February 4, 1943 | November 23, 1946 |
| 124 | 126 | 128 | 130 | 132 |
| September 12, 1950 | June 30, 1954 | April 19, 1958 | February 5, 1962 | November 23, 1965 |
| 134 | 136 | 138 | 140 | 142 |
| September 11, 1969 | June 30, 1973 | April 18, 1977 | February 4, 1981 | November 22, 1984 |
| 144 | 146 | 148 | 150 | 152 |
| September 11, 1988 | June 30, 1992 | April 17, 1996 | February 5, 2000 | November 23, 2003 |
| 154 | 156 | |||
| September 11, 2007 | July 1, 2011 |
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.
| Series members between 1801 and 2200 | ||||
|---|---|---|---|---|
| January 1, 1805 (Saros 109) | October 31, 1826 (Saros 111) | August 28, 1848 (Saros 113) | ||
| July 29, 1859 (Saros 114) | June 28, 1870 (Saros 115) | May 27, 1881 (Saros 116) | April 26, 1892 (Saros 117) | March 29, 1903 (Saros 118) |
| February 25, 1914 (Saros 119) | January 24, 1925 (Saros 120) | December 25, 1935 (Saros 121) | November 23, 1946 (Saros 122) | October 23, 1957 (Saros 123) |
| September 22, 1968 (Saros 124) | August 22, 1979 (Saros 125) | July 22, 1990 (Saros 126) | June 21, 2001 (Saros 127) | May 20, 2012 (Saros 128) |
| April 20, 2023 (Saros 129) | March 20, 2034 (Saros 130) | February 16, 2045 (Saros 131) | January 16, 2056 (Saros 132) | December 17, 2066 (Saros 133) |
| November 15, 2077 (Saros 134) | October 14, 2088 (Saros 135) | September 14, 2099 (Saros 136) | August 15, 2110 (Saros 137) | July 14, 2121 (Saros 138) |
| June 13, 2132 (Saros 139) | May 14, 2143 (Saros 140) | April 12, 2154 (Saros 141) | March 12, 2165 (Saros 142) | February 10, 2176 (Saros 143) |
| January 9, 2187 (Saros 144) | December 9, 2197 (Saros 145) |
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.
| Series members between 1801 and 2200 | ||
|---|---|---|
| March 4, 1802 (Saros 117) | February 12, 1831 (Saros 118) | January 23, 1860 (Saros 119) |
| January 1, 1889 (Saros 120) | December 14, 1917 (Saros 121) | November 23, 1946 (Saros 122) |
| November 3, 1975 (Saros 123) | October 14, 2004 (Saros 124) | September 23, 2033 (Saros 125) |
| September 3, 2062 (Saros 126) | August 15, 2091 (Saros 127) | July 25, 2120 (Saros 128) |
| July 5, 2149 (Saros 129) | June 16, 2178 (Saros 130) |
External links
- Eclipse Predictions by Fred Espenak, NASA/GSFC