Solar eclipse of January 14, 1945

Last updated
Solar eclipse of January 14, 1945
SE1945Jan14A.png
Map
Type of eclipse
NatureAnnular
Gamma −0.4937
Magnitude 0.997
Maximum eclipse
Duration15 s (0 min 15 s)
Coordinates 51°06′S110°18′E / 51.1°S 110.3°E / -51.1; 110.3
Max. width of band12 km (7.5 mi)
Times (UTC)
Greatest eclipse5:01:43
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]

Contents

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.

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. [3]

January 14, 1945 Solar Eclipse Times
EventTime (UTC)
First Penumbral External Contact1945 January 14 at 02:22:25.7 UTC
First Umbral External Contact1945 January 14 at 03:26:59.2 UTC
First Central Line1945 January 14 at 03:27:37.2 UTC
Greatest Duration1945 January 14 at 03:27:37.2 UTC
First Umbral Internal Contact1945 January 14 at 03:28:15.1 UTC
Equatorial Conjunction1945 January 14 at 04:57:46.0 UTC
Greatest Eclipse1945 January 14 at 05:01:43.2 UTC
Ecliptic Conjunction1945 January 14 at 05:07:00.6 UTC
Last Umbral Internal Contact1945 January 14 at 06:35:16.2 UTC
Last Central Line1945 January 14 at 06:35:51.4 UTC
Last Umbral External Contact1945 January 14 at 06:36:26.6 UTC
Last Penumbral External Contact1945 January 14 at 07:40:56.5 UTC
January 14, 1945 Solar Eclipse Parameters
ParameterValue
Eclipse Magnitude0.99704
Eclipse Obscuration0.99409
Gamma−0.49366
Sun Right Ascension19h42m12.3s
Sun Declination-21°22'08.0"
Sun Semi-Diameter16'15.6"
Sun Equatorial Horizontal Parallax08.9"
Moon Right Ascension19h42m21.5s
Moon Declination-21°50'56.3"
Moon Semi-Diameter15'59.0"
Moon Equatorial Horizontal Parallax0°58'39.7"
ΔT26.8 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.

Eclipse season of December 1944–January 1945
December 29
Ascending node (full moon)
January 14
Descending node (new moon)
Lunar eclipse chart close-1944Dec29.png SE1945Jan14A.png
Penumbral lunar eclipse
Lunar Saros 114
Annular solar eclipse
Solar Saros 140

Eclipses in 1945

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 140

Inex

Triad

Solar eclipses of 1942–1946

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
SarosMapGammaSarosMapGamma
115 August 12, 1942
SE1942Aug12P.png
Partial
−1.5244120 February 4, 1943
SE1943Feb04T.png
Total
0.8734
125 August 1, 1943
SE1943Aug01A.png
Annular
−0.8041130 January 25, 1944
SE1944Jan25T.png
Total
0.2025
135 July 20, 1944
SE1944Jul20A.png
Annular
−0.0314140 January 14, 1945
SE1945Jan14A.png
Annular
−0.4937
145 July 9, 1945
1945Jul09T.png
Total
0.7356150 January 3, 1946
SE1946Jan03P.png
Partial
−1.2392
155 June 29, 1946
SE1946Jun29P.png
Partial
1.4361

Saros 140

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:
181920
SE1818Oct29T.png
October 29, 1818
SE1836Nov09T.png
November 9, 1836
SE1854Nov20H.png
November 20, 1854
212223
SE1872Nov30H.png
November 30, 1872
SE1890Dec12H.png
December 12, 1890
SE1908Dec23H.png
December 23, 1908
242526
SE1927Jan03A.png
January 3, 1927
SE1945Jan14A.png
January 14, 1945
SE1963Jan25A.png
January 25, 1963
272829
SE1981Feb04A.png
February 4, 1981
SE1999Feb16A.png
February 16, 1999
SE2017Feb26A.png
February 26, 2017
303132
SE2035Mar09A.png
March 9, 2035
SE2053Mar20A.png
March 20, 2053
SE2071Mar31A.png
March 31, 2071
333435
SE2089Apr10A.png
April 10, 2089
SE2107Apr23A.png
April 23, 2107
SE2125May03A.png
May 3, 2125
363738
SE2143May14A.png
May 14, 2143
SE2161May25A.png
May 25, 2161
SE2179Jun05A.png
June 5, 2179
39
SE2197Jun15A.png
June 15, 2197

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 March 27, 1884 and August 20, 1971
March 27–29January 14November 1–2August 20–21June 8
108110112114116
SE1884Mar27P.gif
March 27, 1884
SE1895Aug20P.gif
August 20, 1895
SE1899Jun08P.gif
June 8, 1899
118120122124126
SE1903Mar29A.png
March 29, 1903
SE1907Jan14T.png
January 14, 1907
SE1910Nov02P.png
November 2, 1910
SE1914Aug21T.png
August 21, 1914
SE1918Jun08T.png
June 8, 1918
128130132134136
SE1922Mar28A.png
March 28, 1922
SE1926Jan14T.png
January 14, 1926
SE1929Nov01A.png
November 1, 1929
SE1933Aug21A.png
August 21, 1933
SE1918Jun08T.png
June 8, 1937
138140142144146
SE1941Mar27A.png
March 27, 1941
SE1945Jan14A.png
January 14, 1945
SE1948Nov01T.png
November 1, 1948
SE1952Aug20A.png
August 20, 1952
SE1956Jun08T.png
June 8, 1956
148150152154
SE1960Mar27P.png
March 27, 1960
SE1964Jan14P.png
January 14, 1964
SE1967Nov02T.png
November 2, 1967
SE1971Aug20P.png
August 20, 1971

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
SE1803Feb21T.png
February 21, 1803
(Saros 127)
SE1814Jan21A.gif
January 21, 1814
(Saros 128)
SE1824Dec20Am.gif
December 20, 1824
(Saros 129)
SE1835Nov20T.png
November 20, 1835
(Saros 130)
SE1846Oct20A.png
October 20, 1846
(Saros 131)
SE1857Sep18A.png
September 18, 1857
(Saros 132)
SE1868Aug18T.png
August 18, 1868
(Saros 133)
SE1879Jul19A.png
July 19, 1879
(Saros 134)
SE1890Jun17A.png
June 17, 1890
(Saros 135)
SE1901May18T.png
May 18, 1901
(Saros 136)
SE1912Apr17H.png
April 17, 1912
(Saros 137)
SE1923Mar17A.png
March 17, 1923
(Saros 138)
SE1934Feb14T.png
February 14, 1934
(Saros 139)
SE1945Jan14A.png
January 14, 1945
(Saros 140)
SE1955Dec14A.png
December 14, 1955
(Saros 141)
SE1966Nov12T.png
November 12, 1966
(Saros 142)
SE1977Oct12T.png
October 12, 1977
(Saros 143)
SE1988Sep11A.png
September 11, 1988
(Saros 144)
SE1999Aug11T.png
August 11, 1999
(Saros 145)
SE2010Jul11T.png
July 11, 2010
(Saros 146)
SE2021Jun10A.png
June 10, 2021
(Saros 147)
SE2032May09A.png
May 9, 2032
(Saros 148)
SE2043Apr09T.png
April 9, 2043
(Saros 149)
SE2054Mar09P.png
March 9, 2054
(Saros 150)
SE2065Feb05P.png
February 5, 2065
(Saros 151)
SE2076Jan06T.png
January 6, 2076
(Saros 152)
SE2086Dec06P.png
December 6, 2086
(Saros 153)
SE2097Nov04A.png
November 4, 2097
(Saros 154)
Saros155 11van71 SE2108Oct05T.jpg
October 5, 2108
(Saros 155)
Saros156 07van69 SE2119Sep05P.jpg
September 5, 2119
(Saros 156)
Saros157 05van70 SE2130Aug04P.jpg
August 4, 2130
(Saros 157)
Saros158 05van70 SE2141Jul03P.jpg
July 3, 2141
(Saros 158)
Saros159 02van70 SE2152Jun03P.jpg
June 3, 2152
(Saros 159)
Saros161 01van72 SE2174Apr01P.jpg
April 1, 2174
(Saros 161)

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
SE1829Apr03T.gif
April 3, 1829
(Saros 136)
SE1858Mar15A.gif
March 15, 1858
(Saros 137)
SE1887Feb22A.png
February 22, 1887
(Saros 138)
SE1916Feb03T.png
February 3, 1916
(Saros 139)
SE1945Jan14A.png
January 14, 1945
(Saros 140)
SE1973Dec24A.png
December 24, 1973
(Saros 141)
SE2002Dec04T.png
December 4, 2002
(Saros 142)
SE2031Nov14H.png
November 14, 2031
(Saros 143)
SE2060Oct24A.png
October 24, 2060
(Saros 144)
SE2089Oct04T.png
October 4, 2089
(Saros 145)
SE2118Sep15T.png
September 15, 2118
(Saros 146)
Saros147 30van80 SE2147Aug26A.jpg
August 26, 2147
(Saros 147)
Saros148 30van75 SE2176Aug04T.jpg
August 4, 2176
(Saros 148)

Notes

  1. "January 14, 1945 Annular Solar Eclipse". timeanddate. Retrieved 4 August 2024.
  2. "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 4 August 2024.
  3. "Annular Solar Eclipse of 1945 Jan 14". EclipseWise.com. Retrieved 4 August 2024.
  4. 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.
  5. "NASA - Catalog of Solar Eclipses of Saros 140". eclipse.gsfc.nasa.gov.

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References