Solar eclipse of December 13, 1974

Last updated
Solar eclipse of December 13, 1974
SE1974Dec13P.png
Map
Type of eclipse
NaturePartial
Gamma 1.0797
Magnitude 0.8266
Maximum eclipse
Coordinates 66°48′N69°24′W / 66.8°N 69.4°W / 66.8; -69.4
Times (UTC)
Greatest eclipse16:13:13
References
Saros 151 (12 of 72)
Catalog # (SE5000) 9453

A partial solar eclipse occurred at the Moon's ascending node of orbit on Friday, December 13, 1974, with a magnitude of 0.8266. 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.

Contents

Eclipses in 1974

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 151

Inex

Triad

Solar eclipses of 1971–1974

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 February 25, 1971 and August 20, 1971 occur in the previous lunar year eclipse set.

Solar eclipse series sets from 1971 to 1974
Descending node Ascending node
SarosMapGammaSarosMapGamma
116 July 22, 1971
SE1971Jul22P.png
Partial		1.513121 January 16, 1972
SE1972Jan16A.png
Annular		−0.9365
126 July 10, 1972
SE1972Jul10T.png
Total		0.6872131 January 4, 1973
SE1973Jan04A.png
Annular		−0.2644
136 June 30, 1973
SE1973Jun30T.png
Total		−0.0785141 December 24, 1973
SE1973Dec24A.png
Annular		0.4171
146 June 20, 1974
SE1974Jun20T.png
Total		−0.8239151 December 13, 1974
SE1974Dec13P.png
Partial		1.0797

Saros 151

This eclipse is a part of Saros series 151, repeating every 18 years, 11 days, and containing 72 events. The series started with a partial solar eclipse on August 14, 1776. It contains annular eclipses from February 28, 2101 through April 23, 2191; a hybrid eclipse on May 5, 2209; and total eclipses from May 16, 2227 through July 6, 2912. The series ends at member 72 as a partial eclipse on October 1, 3056. 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 annularity will be produced by member 19 at 2 minutes, 44 seconds on February 28, 2101, and the longest duration of totality will be produced by member 60 at 5 minutes, 41 seconds on May 22, 2840. All eclipses in this series occur at the Moon’s ascending node of orbit. [2]

Series members 3–24 occur between 1801 and 2200:
345
SE1812Sep05P.gif
September 5, 1812		 SE1830Sep17P.gif
September 17, 1830		 SE1848Sep27P.gif
September 27, 1848
678
SE1866Oct08P.gif
October 8, 1866		 SE1884Oct19P.gif
October 19, 1884		 SE1902Oct31P.png
October 31, 1902
91011
SE1920Nov10P.png
November 10, 1920 		SE1938Nov21P.png
November 21, 1938 		SE1956Dec02P.png
December 2, 1956
121314
SE1974Dec13P.png
December 13, 1974 		SE1992Dec24P.png
December 24, 1992 		SE2011Jan04P.png
January 4, 2011
151617
SE2029Jan14P.png
January 14, 2029 		SE2047Jan26P.png
January 26, 2047 		SE2065Feb05P.png
February 5, 2065
181920
SE2083Feb16P.png
February 16, 2083 		SE2101Feb28A.png
February 28, 2101		 Saros151 20van72 SE2119Mar11A.jpg
March 11, 2119
212223
Saros151 21van72 SE2137Mar21A.jpg
March 21, 2137		 SE2155Apr02A.png
April 2, 2155		 Saros151 23van72 SE2173Apr12A.jpg
April 12, 2173
24
SE2191Apr23A.png
April 23, 2191

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 ascending node.

22 eclipse events between December 13, 1898 and July 20, 1982
December 13–14October 1–2July 20–21May 9February 24–25
111113115117119
SE1898Dec13P.gif
December 13, 1898		 SE1906Jul21P.png
July 21, 1906 		SE1910May09T.png
May 9, 1910 		SE1914Feb25A.png
February 25, 1914
121123125127129
SE1917Dec14A.png
December 14, 1917 		SE1921Oct01T.png
October 1, 1921 		SE1925Jul20A.png
July 20, 1925 		SE1929May09T.png
May 9, 1929 		SE1933Feb24A.png
February 24, 1933
131133135137139
SE1936Dec13A.png
December 13, 1936 		SE1940Oct01T.png
October 1, 1940 		SE1944Jul20A.png
July 20, 1944 		SE1948May09A.png
May 9, 1948 		SE1952Feb25T.png
February 25, 1952
141143145147149
SE1955Dec14A.png
December 14, 1955 		SE1959Oct02T.png
October 2, 1959 		SE1963Jul20T.png
July 20, 1963 		SE1967May09P.png
May 9, 1967 		SE1971Feb25P.png
February 25, 1971
151153155
SE1974Dec13P.png
December 13, 1974 		SE1978Oct02P.png
October 2, 1978 		SE1982Jul20P.png
July 20, 1982

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.

The partial solar eclipse on November 4, 2116 (part of Saros 164) is also a part of this series but is not included in the table below.

Series members between 1801 and 2029
SE1811Mar24T.gif
March 24, 1811
(Saros 136)		 SE1822Feb21A.gif
February 21, 1822
(Saros 137)		 SE1833Jan20A.gif
January 20, 1833
(Saros 138)		 SE1843Dec21T.gif
December 21, 1843
(Saros 139)		 SE1854Nov20H.png
November 20, 1854
(Saros 140)
SE1865Oct19A.png
October 19, 1865
(Saros 141)		 SE1876Sep17T.gif
September 17, 1876
(Saros 142)		 SE1887Aug19T.png
August 19, 1887
(Saros 143)		 SE1898Jul18A.gif
July 18, 1898
(Saros 144)		 SE1909Jun17H.png
June 17, 1909
(Saros 145)
SE1920May18P.png
May 18, 1920
(Saros 146)		 SE1931Apr18P.png
April 18, 1931
(Saros 147)		 SE1942Mar16P.png
March 16, 1942
(Saros 148)		 SE1953Feb14P.png
February 14, 1953
(Saros 149)		 SE1964Jan14P.png
January 14, 1964
(Saros 150)
SE1974Dec13P.png
December 13, 1974
(Saros 151)		 SE1985Nov12T.png
November 12, 1985
(Saros 152)		 SE1996Oct12P.png
October 12, 1996
(Saros 153)		 SE2007Sep11P.png
September 11, 2007
(Saros 154)		 SE2018Aug11P.png
August 11, 2018
(Saros 155)
SE2029Jul11P.png
July 11, 2029
(Saros 156)

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
SE1801Apr13P.png
April 13, 1801
(Saros 145)		 SE1830Mar24P.gif
March 24, 1830
(Saros 146)		 SE1859Mar04P.gif
March 4, 1859
(Saros 147)
SE1888Feb11P.gif
February 11, 1888
(Saros 148)		 SE1917Jan23P.png
January 23, 1917
(Saros 149)		 SE1946Jan03P.png
January 3, 1946
(Saros 150)
SE1974Dec13P.png
December 13, 1974
(Saros 151)		 SE2003Nov23T.png
November 23, 2003
(Saros 152)		 SE2032Nov03P.png
November 3, 2032
(Saros 153)
SE2061Oct13A.png
October 13, 2061
(Saros 154)		 SE2090Sep23T.png
September 23, 2090
(Saros 155)		 Saros156 07van69 SE2119Sep05P.jpg
September 5, 2119
(Saros 156)
Saros157 06van70 SE2148Aug14P.jpg
August 14, 2148
(Saros 157)		 Saros158 07van70 SE2177Jul25P.jpg
July 25, 2177
(Saros 158)

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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 151". eclipse.gsfc.nasa.gov.
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