Solar eclipse of February 25, 1952

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]

Solar eclipse series sets from 1950–1953
Ascending node			Descending node
Saros	Map		Saros	Map
119	March 18, 1950 Annular (non-central)		124	September 12, 1950 Total
129	March 7, 1951 Annular		134	September 1, 1951 Annular
139	February 25, 1952 Total		144	August 20, 1952 Annular
149	February 14, 1953 Partial		154	August 9, 1953 Partial
Solar eclipse of July 11, 1953 belongs to the next lunar year set

It is a part of saros series 139, repeating every 18 years, 11 days, 8 hours, containing 71 events. The series started with partial solar eclipse on May 17, 1501. It contains hybrid eclipses on August 11, 1627 through December 9, 1825 and total eclipses from December 21, 1843 through March 26, 2601. The series ends at member 71 as a partial eclipse on July 3, 2763. Members in the same column are one exeligmos apart and thus occur in the same geographic area.

The solar eclipse of June 13, 2132 will be the longest total solar eclipse since July 11, 1991 at 6 minutes, 55.02 seconds.

The longest duration of totality will be produced by member 39 at 7 minutes, 29.22 seconds on July 16, 2186.[2] This is the longest solar eclipse computed between 4000BC and 6000AD.[3]

After 16 July 2186, totality duration will decrease. All eclipses in this series occurs at the Moon’s ascending node.

Series members 24–45 occur between 1901 and 2300
24	25	26
February 3, 1916	February 14, 1934	February 25, 1952
27	28	29
March 7, 1970	March 18, 1988	March 29, 2006
30	31	32
April 8, 2024	April 20, 2042	April 30, 2060
33	34	35
May 11, 2078	May 22, 2096	June 3, 2114
36	37	38
June 13, 2132	June 25, 2150	July 5, 2168
39	40	41
July 16, 2186	July 27, 2204	August 8, 2222
42	43	44
August 18, 2240	August 29, 2258	September 9, 2276
45
September 20, 2294

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).

21 eclipse events between July 21, 1906 and July 20, 1982
July 20–21	May 9	February 24–25	December 13–14	October 1–2
105	107	109	111	113
			December 13, 1898
115	117	119	121	123
July 21, 1906	May 9, 1910	February 25, 1914	December 14, 1917	October 1, 1921
125	127	129	131	133
July 20, 1925	May 9, 1929	February 24, 1933	December 13, 1936	October 1, 1940
135	137	139	141	143
July 20, 1944	May 9, 1948	February 25, 1952	December 14, 1955	October 2, 1959
145	147	149	151	153
July 20, 1963	May 9, 1967	February 25, 1971	December 13, 1974	October 2, 1978
155
July 20, 1982