Solar eclipse of January 4, 1973

Last updated
Solar eclipse of January 4, 1973
SE1973Jan04A.png
Map
Type of eclipse
NatureAnnular
Gamma -0.2644
Magnitude 0.9303
Maximum eclipse
Duration469 sec (7 m 49 s)
Coordinates 37°54′S51°12′W / 37.9°S 51.2°W / -37.9; -51.2
Max. width of band271 km (168 mi)
Times (UTC)
Greatest eclipse15:46:21
References
Saros 131 (48 of 70)
Catalog # (SE5000) 9449

An annular solar eclipse occurred on Thursday, January 4, 1973, with an eclipse magnitude of 0.9303. 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. Annularity was visible from Chile and Argentina.

Contents

Eclipses in 1973

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]

Note: Partial solar eclipses on February 25, 1971 and August 20, 1971 occur in the next lunar year set.

Solar eclipse series sets from 1971–1974
Descending node Ascending node
SarosMapGammaSarosMapGamma
116 SE1971Jul22P.png
1971 July 22
Partial
1.51298121 SE1972Jan16A.png
1972 January 16
Annular
-0.93651
126 SE1972Jul10T.png
1972 July 10
Total
0.68719131 SE1973Jan04A.png
1973 January 4
Annular
-0.26441
136 SE1973Jun30T.png
1973 June 30
Total
-0.07853141 SE1973Dec24A.png
1973 December 24
Annular
0.41710
146 SE1974Jun20T.png
1974 June 20
Total
-0.82388151 SE1974Dec13P.png
1974 December 13
Partial
1.07974

Saros 131

It is a part of Saros cycle 131, repeating every 18 years, 11 days, containing 70 events. The series started with partial solar eclipse on August 1, 1125. It contains total eclipses from March 27, 1522 through May 30, 1612 and hybrid eclipses from June 10, 1630 through July 24, 1702, and annular eclipses from August 4, 1720 through June 18, 2243. The series ends at member 70 as a partial eclipse on September 2, 2369. The longest duration of totality was only 58 seconds on May 30, 1612. All eclipses in this series occurs at the Moon’s ascending node.

Series members 33–70 occur between 1702 and 2369
333435
SE1702Jul24H.png
July 24, 1702
SE1720Aug04A.png
August 4, 1720
SE1738Aug15A.png
August 15, 1738
363738
SE1756Aug25A.png
August 25, 1756
SE1774Sep06A.png
September 6, 1774
SE1792Sep16A.png
September 16, 1792
394041
SE1810Sep28A.png
September 28, 1810
SE1828Oct09A.png
October 9, 1828
SE1846Oct20A.png
October 20, 1846
424344
SE1864Oct30A.png
October 30, 1864
SE1882Nov10A.png
November 10, 1882
SE1900Nov22A.png
November 22, 1900
454647
SE1918Dec03A.png
December 3, 1918
SE1936Dec13A.png
December 13, 1936
SE1954Dec25A.png
December 25, 1954
484950
SE1973Jan04A.png
January 4, 1973
SE1991Jan15A.png
January 15, 1991
SE2009Jan26A.png
January 26, 2009
515253
SE2027Feb06A.png
February 6, 2027
SE2045Feb16A.png
February 16, 2045
SE2063Feb28A.png
February 28, 2063
545556
SE2081Mar10A.png
March 10, 2081
SE2099Mar21A.png
March 21, 2099
SE2117Apr02A.png
April 2, 2117
575859
SE2135Apr13A.png
April 13, 2135
SE2153Apr23A.png
April 23, 2153
SE2171May05A.png
May 5, 2171
606162
SE2189May15A.png
May 15, 2189
SE2207May27A.png
May 27, 2207
SE2225Jun06A.png
June 6, 2225
636465
SE2243Jun18A.png
June 18, 2243
SE2261Jun28P.png
June 28, 2261
SE2279Jul09P.png
July 9, 2279
666768
SE2297Jul20P.png
July 20, 2297
SE2315Aug01P.png
August 1, 2315
SE2333Aug11P.png
August 11, 2333
6970
SE2351Aug22P.png
August 22, 2351
SE2369Sep02P.png
September 2, 2369

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 January 5, 1935 and August 11, 2018
January 4-5October 23-24August 10-12May 30-31March 18-19
111113115117119
SE1935Jan05P.png
January 5, 1935
SE1942Aug12P.png
August 12, 1942
SE1946May30P.png
May 30, 1946
SE1950Mar18A.png
March 18, 1950
121123125127129
SE1954Jan05A.png
January 5, 1954
SE1957Oct23T.png
October 23, 1957
SE1961Aug11A.png
August 11, 1961
SE1965May30T.png
May 30, 1965
SE1969Mar18A.png
March 18, 1969
131133135137139
SE1973Jan04A.png
January 4, 1973
SE1976Oct23T.png
October 23, 1976
SE1980Aug10A.png
August 10, 1980
SE1984May30A.png
May 30, 1984
SE1988Mar18T.png
March 18, 1988
141143145147149
SE1992Jan04A.png
January 4, 1992
SE1995Oct24T.png
October 24, 1995
SE1999Aug11T.png
August 11, 1999
SE2003May31A.png
May 31, 2003
SE2007Mar19P.png
March 19, 2007
151153155
SE2011Jan04P.png
January 4, 2011
SE2014Oct23P.png
October 23, 2014
SE2018Aug11P.png
August 11, 2018

Notess

  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.

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References