Solar eclipse of October 12, 1977

Solar eclipse of October 12, 1977
Solar eclipse of October 12, 1977
	Map
Type of eclipse
Nature	Total
Gamma	0.3836
Magnitude	1.0269
Maximum eclipse
Duration	157 s (2 min 37 s)
Coordinates	14°06′N 123°36′W / 14.1°N 123.6°W
Max. width of band	99 km (62 mi)
Times (UTC)
Greatest eclipse	20:27:27
References
Saros	143 (21 of 72)
Catalog # (SE5000)	9459

A total solar eclipse occurred on October 12, 1977. 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 total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide.

Related eclipses

Solar eclipses of 1975-1978

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

Solar eclipse series sets from 1975 to 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

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 24, 1916 and July 31, 2000
December 24–25	October 12–13	July 31-Aug 1	May 18–20	March 7–8
91	93	95	97	99
December 23, 1878	October 12, 1882	July 31, 1886	May 18, 1890	March 7, 1894
101	103	105	107	109
December 23, 1897	October 12, 1901	August 1, 1905	May 19, 1909	March 8, 1913
111	113	115	117	119
December 24, 1916	October 12, 1920	July 31, 1924	May 19, 1928	March 7, 1932
121	123	125	127	129
December 25, 1935	October 12, 1939	August 1, 1943	May 20, 1947	March 7, 1951
131	133	135	137	139
December 25, 1954	October 12, 1958	July 31, 1962	May 20, 1966	March 7, 1970
141	143	145	147	149
December 24, 1973	October 12, 1977	July 31, 1981	May 19, 1985	March 7, 1989
151	153	155	157	159
December 24, 1992	October 12, 1996	July 31, 2000	May 19, 2004	March 7, 2008
161	163	165	167	169
December 24, 2011	October 13, 2015	August 1, 2019	May 19, 2023	March 8, 2027