Solar eclipse of December 13, 1974

Solar eclipse of December 13, 1974
Solar eclipse of December 13, 1974
	Map
Type of eclipse
Nature	Partial
Gamma	1.0797
Magnitude	0.8266
Maximum eclipse
Coordinates	66°48′N 69°24′W / 66.8°N 69.4°W
Times (UTC)
Greatest eclipse	16:13:13
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.

Related eclipses[edit]

Solar eclipses of 1971–1974[edit]

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 to 1974
Descending node			Ascending node
Saros	Map	Gamma	Saros	Map	Gamma
116	1971 July 22 Partial	1.51298	121	1972 January 16 Annular	−0.93651
126	1972 July 10 Total	0.68719	131	1973 January 4 Annular	−0.26441
136	1973 June 30 Total	−0.07853	141	1973 December 24 Annular	0.41710
146	1974 June 20 Total	−0.82388	151	1974 December 13 Partial	1.07974

Saros 151[edit]

It is a part of Saros cycle 151, repeating every 18 years, 11 days, containing 72 events. The series started with 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. The longest duration of totality will be 5 minutes, 41 seconds on May 22, 2840.

Series members 8-24 occur between 1901 and 2200:
8	9	10
October 31, 1902	November 10, 1920	November 21, 1938
11	12	13
December 2, 1956	December 13, 1974	December 24, 1992
14	15	16
January 4, 2011	January 14, 2029	January 26, 2047
17	18	19
February 5, 2065	February 16, 2083	February 28, 2101
20	21	22
March 11, 2119	March 21, 2137	April 2, 2155
23	24
April 12, 2173	April 23, 2191

Metonic series[edit]

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).

22 eclipse events between December 13, 1898 and July 20, 1982
December 13–14	October 1–2	July 20–21	May 9	February 24–25
111	113	115	117	119
December 13, 1898		July 21, 1906	May 9, 1910	February 25, 1914
121	123	125	127	129
December 14, 1917	October 1, 1921	July 20, 1925	May 9, 1929	February 24, 1933
131	133	135	137	139
December 13, 1936	October 1, 1940	July 20, 1944	May 9, 1948	February 25, 1952
141	143	145	147	149
December 14, 1955	October 2, 1959	July 20, 1963	May 9, 1967	February 25, 1971
151	153	155
December 13, 1974	October 2, 1978	July 20, 1982