Solar eclipse of January 14, 1945 | |
---|---|
Type of eclipse | |
Nature | Annular |
Gamma | −0.4937 |
Magnitude | 0.997 |
Maximum eclipse | |
Duration | 15 s (0 min 15 s) |
Coordinates | 51°06′S110°18′E / 51.1°S 110.3°E |
Max. width of band | 12 km (7.5 mi) |
Times (UTC) | |
Greatest eclipse | 5:01:43 |
References | |
Saros | 140 (25 of 71) |
Catalog # (SE5000) | 9386 |
An annular solar eclipse occurred at the Moon's descending node of orbit on Sunday, January 14, 1945, [1] with a magnitude of 0.997. 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. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. The Moon's apparent diameter was near the average diameter because it occurred 8.3 days after apogee (on January 5, 1945, at 20:40 UTC) and 3.5 days before perigee (on January 17, 1945, at 17:50 UTC). [2]
Annularity was visible from Eastern Cape in South Africa, and northeastern Tasmania Island and Furneaux Group in Australia. A partial eclipse was visible for parts of Southern Africa, Antarctica, Australia, and Oceania.
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. [3]
Event | Time (UTC) |
---|---|
First Penumbral External Contact | 1945 January 14 at 02:22:25.7 UTC |
First Umbral External Contact | 1945 January 14 at 03:26:59.2 UTC |
First Central Line | 1945 January 14 at 03:27:37.2 UTC |
Greatest Duration | 1945 January 14 at 03:27:37.2 UTC |
First Umbral Internal Contact | 1945 January 14 at 03:28:15.1 UTC |
Equatorial Conjunction | 1945 January 14 at 04:57:46.0 UTC |
Greatest Eclipse | 1945 January 14 at 05:01:43.2 UTC |
Ecliptic Conjunction | 1945 January 14 at 05:07:00.6 UTC |
Last Umbral Internal Contact | 1945 January 14 at 06:35:16.2 UTC |
Last Central Line | 1945 January 14 at 06:35:51.4 UTC |
Last Umbral External Contact | 1945 January 14 at 06:36:26.6 UTC |
Last Penumbral External Contact | 1945 January 14 at 07:40:56.5 UTC |
Parameter | Value |
---|---|
Eclipse Magnitude | 0.99704 |
Eclipse Obscuration | 0.99409 |
Gamma | −0.49366 |
Sun Right Ascension | 19h42m12.3s |
Sun Declination | -21°22'08.0" |
Sun Semi-Diameter | 16'15.6" |
Sun Equatorial Horizontal Parallax | 08.9" |
Moon Right Ascension | 19h42m21.5s |
Moon Declination | -21°50'56.3" |
Moon Semi-Diameter | 15'59.0" |
Moon Equatorial Horizontal Parallax | 0°58'39.7" |
ΔT | 26.8 s |
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.
December 29 Ascending node (full moon) | January 14 Descending node (new moon) |
---|---|
Penumbral lunar eclipse Lunar Saros 114 | Annular solar eclipse Solar Saros 140 |
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. [4]
The partial solar eclipses on March 16, 1942 and September 10, 1942 occur in the previous lunar year eclipse set, and the partial solar eclipses on May 30, 1946 and November 23, 1946 occur in the next lunar year eclipse set.
Solar eclipse series sets from 1942 to 1946 | ||||||
---|---|---|---|---|---|---|
Ascending node | Descending node | |||||
Saros | Map | Gamma | Saros | Map | Gamma | |
115 | August 12, 1942 Partial | −1.5244 | 120 | February 4, 1943 Total | 0.8734 | |
125 | August 1, 1943 Annular | −0.8041 | 130 | January 25, 1944 Total | 0.2025 | |
135 | July 20, 1944 Annular | −0.0314 | 140 | January 14, 1945 Annular | −0.4937 | |
145 | July 9, 1945 Total | 0.7356 | 150 | January 3, 1946 Partial | −1.2392 | |
155 | June 29, 1946 Partial | 1.4361 |
This eclipse is a part of Saros series 140, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on April 16, 1512. It contains total eclipses from July 21, 1656 through November 9, 1836; hybrid eclipses from November 20, 1854 through December 23, 1908; and annular eclipses from January 3, 1927 through December 7, 2485. The series ends at member 71 as a partial eclipse on June 1, 2774. 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 11 at 4 minutes, 10 seconds on August 12, 1692, and the longest duration of annularity will be produced by member 53 at 7 minutes, 35 seconds on November 15, 2449. All eclipses in this series occur at the Moon’s descending node of orbit. [5]
Series members 18–39 occur between 1801 and 2200: | ||
---|---|---|
18 | 19 | 20 |
October 29, 1818 | November 9, 1836 | November 20, 1854 |
21 | 22 | 23 |
November 30, 1872 | December 12, 1890 | December 23, 1908 |
24 | 25 | 26 |
January 3, 1927 | January 14, 1945 | January 25, 1963 |
27 | 28 | 29 |
February 4, 1981 | February 16, 1999 | February 26, 2017 |
30 | 31 | 32 |
March 9, 2035 | March 20, 2053 | March 31, 2071 |
33 | 34 | 35 |
April 10, 2089 | April 23, 2107 | May 3, 2125 |
36 | 37 | 38 |
May 14, 2143 | May 25, 2161 | June 5, 2179 |
39 | ||
June 15, 2197 |
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 March 27, 1884 and August 20, 1971 | ||||
---|---|---|---|---|
March 27–29 | January 14 | November 1–2 | August 20–21 | June 8 |
108 | 110 | 112 | 114 | 116 |
March 27, 1884 | August 20, 1895 | June 8, 1899 | ||
118 | 120 | 122 | 124 | 126 |
March 29, 1903 | January 14, 1907 | November 2, 1910 | August 21, 1914 | June 8, 1918 |
128 | 130 | 132 | 134 | 136 |
March 28, 1922 | January 14, 1926 | November 1, 1929 | August 21, 1933 | June 8, 1937 |
138 | 140 | 142 | 144 | 146 |
March 27, 1941 | January 14, 1945 | November 1, 1948 | August 20, 1952 | June 8, 1956 |
148 | 150 | 152 | 154 | |
March 27, 1960 | January 14, 1964 | November 2, 1967 | August 20, 1971 |
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 | ||||
---|---|---|---|---|
February 21, 1803 (Saros 127) | January 21, 1814 (Saros 128) | December 20, 1824 (Saros 129) | November 20, 1835 (Saros 130) | October 20, 1846 (Saros 131) |
September 18, 1857 (Saros 132) | August 18, 1868 (Saros 133) | July 19, 1879 (Saros 134) | June 17, 1890 (Saros 135) | May 18, 1901 (Saros 136) |
April 17, 1912 (Saros 137) | March 17, 1923 (Saros 138) | February 14, 1934 (Saros 139) | January 14, 1945 (Saros 140) | December 14, 1955 (Saros 141) |
November 12, 1966 (Saros 142) | October 12, 1977 (Saros 143) | September 11, 1988 (Saros 144) | August 11, 1999 (Saros 145) | July 11, 2010 (Saros 146) |
June 10, 2021 (Saros 147) | May 9, 2032 (Saros 148) | April 9, 2043 (Saros 149) | March 9, 2054 (Saros 150) | February 5, 2065 (Saros 151) |
January 6, 2076 (Saros 152) | December 6, 2086 (Saros 153) | November 4, 2097 (Saros 154) | October 5, 2108 (Saros 155) | September 5, 2119 (Saros 156) |
August 4, 2130 (Saros 157) | July 3, 2141 (Saros 158) | June 3, 2152 (Saros 159) | April 1, 2174 (Saros 161) |
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 | ||
---|---|---|
April 3, 1829 (Saros 136) | March 15, 1858 (Saros 137) | February 22, 1887 (Saros 138) |
February 3, 1916 (Saros 139) | January 14, 1945 (Saros 140) | December 24, 1973 (Saros 141) |
December 4, 2002 (Saros 142) | November 14, 2031 (Saros 143) | October 24, 2060 (Saros 144) |
October 4, 2089 (Saros 145) | September 15, 2118 (Saros 146) | August 26, 2147 (Saros 147) |
August 4, 2176 (Saros 148) |
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