Solar eclipse of May 11, 1975

There were 8 solar eclipses (at 6 month intervals) between May 11, 1975 and October 2, 1978.

Solar eclipse series sets from 1975–1978
Descending node				Ascending node
Saros	Map	Gamma		Saros	Map	Gamma
118	1975 May 11 Partial	1.06472		123	1975 November 3 Partial	-1.02475
128	1976 April 29 Annular	0.33783		133	1976 October 23 Total	-0.32699
138	1977 April 18 Annular	-0.39903		143	1977 October 12 Total	0.38363
148	1978 April 7 Partial	-1.10812		153	1978 October 2 Partial	1.16164

It is a part of Saros cycle 118, repeating every 18 years, 11 days, containing 72 events. The series started with partial solar eclipse on May 24, 803 AD. It contains total eclipses from August 19, 947 AD through October 25, 1650, hybrid eclipses on November 4, 1668 and November 15, 1686, and annular eclipses from November 27, 1704 through April 30, 1957. The series ends at member 72 as a partial eclipse on July 15, 2083. The longest duration of total was 6 minutes, 59 seconds on May 16, 1398.

Series members 62–72 occur between 1901 and 2083:
62	63	64
Mar 29, 1903	Apr 8, 1921	Apr 19, 1939
65	66	67
Apr 30, 1957	May 11, 1975	May 21, 1993
68	69	70
Jun 1, 2011	Jun 12, 2029	Jun 23, 2047
71	72
Jul 3, 2065	Jul 15, 2083

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.

21 events between July 22, 1971 and July 22, 2047
July 21–22	May 9–11	February 26–27	December 14–15	October 2–3
106	108	110	112	114
July 21, 1952	May 10, 1956	February 26, 1960	December 16, 1963	October 3, 1967
116	118	120	122	124
July 22, 1971	May 11, 1975	February 26, 1979	December 15, 1982	October 3, 1986
126	128	130	132	134
July 22, 1990	May 10, 1994	February 26, 1998	December 14, 2001	October 3, 2005
136	138	140	142	144
July 22, 2009	May 10, 2013	February 26, 2017	December 14, 2020	October 2, 2024
146	148	150	152	154
July 22, 2028	May 9, 2032	February 27, 2036	December 15, 2039	October 3, 2043
156
July 22, 2047