March 1959 lunar eclipse

March 1959 lunar eclipse
Partial eclipse
	The Moon's hourly motion shown right to left
Date	March 24, 1959
Gamma	−0.8757
Magnitude	0.2643
Saros cycle	112 (62 of 72)
Partiality	109 minutes, 32 seconds
Penumbral	268 minutes, 11 seconds
P1
Contacts (UTC)
P1	17:57:20
U1	19:16:42
Greatest	20:11:24
U4	21:06:14
P4	22:25:31
	← October 1958 September 1959 →

A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Tuesday, March 24, 1959,^[1] with an umbral magnitude of 0.2643. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring about 1.5 days before perigee (on March 26, 1959, at 9:25 UTC), the Moon's apparent diameter was larger.^[2]

Visibility

The eclipse was completely visible over much of Africa, Europe, and Asia, seen rising over eastern South America, west Africa, and western Europe and setting over northeast Asia and Australia.^[3]

Eclipse details

Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.^[4]

March 24, 1959 Lunar Eclipse Parameters
Parameter	Value
Penumbral Magnitude	1.23788
Umbral Magnitude	0.26428
Gamma	−0.87571
Sun Right Ascension	00h12m37.9s
Sun Declination	+01°22'05.8"
Sun Semi-Diameter	16'02.4"
Sun Equatorial Horizontal Parallax	08.8"
Moon Right Ascension	12h11m33.0s
Moon Declination	-02°12'30.0"
Moon Semi-Diameter	16'28.5"
Moon Equatorial Horizontal Parallax	1°00'27.8"
ΔT	32.8 s

Eclipse season

This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.

Eclipse season of March–April 1959
March 24 Ascending node (full moon)	April 8 Descending node (new moon)

Partial lunar eclipse Lunar Saros 112	Annular solar eclipse Solar Saros 138

Related eclipses

Lunar eclipses of 1958–1962

This eclipse is a member of a semester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.^[5]

The lunar eclipses on May 3, 1958 (partial) and October 28, 1958 (penumbral) occur in the previous lunar year eclipse set, and the penumbral lunar eclipse on July 17, 1962 occurs in the next lunar year eclipse set.

Lunar eclipse series sets from 1958 to 1962
Ascending node				Descending node
Saros	Date Viewing	Type Chart	Gamma	Saros	Date Viewing	Type Chart	Gamma
102	1958 Apr 04	Penumbral	−1.5381
112	1959 Mar 24	Partial	−0.8757	117	1959 Sep 17	Penumbral	1.0296
122	1960 Mar 13	Total	−0.1799	127	1960 Sep 05	Total	0.2422
132	1961 Mar 02	Partial	0.5541	137	1961 Aug 26	Partial	−0.4895
142	1962 Feb 19	Penumbral	1.2512	147	1962 Aug 15	Penumbral	−1.2210

Saros 112

This eclipse is a part of Saros series 112, repeating every 18 years, 11 days, and containing 72 events. The series started with a penumbral lunar eclipse on May 20, 859 AD. It contains partial eclipses from August 3, 985 AD through March 8, 1346; total eclipses from March 18, 1364 through August 27, 1616; and a second set of partial eclipses from September 7, 1634 through April 25, 2013. The series ends at member 72 as a penumbral eclipse on July 12, 2139.

The longest duration of totality was produced by member 36 at 99 minutes, 51 seconds on June 2, 1490. All eclipses in this series occur at the Moon’s ascending node of orbit.^[6]

Greatest	First
The greatest eclipse of the series occurred on 1490 Jun 02, lasting 99 minutes, 51 seconds.^[7]	Penumbral	Partial	Total	Central
	859 May 20	985 Aug 03	1364 Mar 18	1436 Apr 30
	Last
	Central	Total	Partial	Penumbral
	1562 Jul 16	1616 Aug 27	2013 Apr 25	2139 Jul 12

Eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.

Series members 54–72 occur between 1801 and 2139:
54	55	56
1814 Dec 26	1833 Jan 06	1851 Jan 17

57	58	59
1869 Jan 28	1887 Feb 08	1905 Feb 19

60	61	62
1923 Mar 03	1941 Mar 13	1959 Mar 24

63	64	65
1977 Apr 04	1995 Apr 15	2013 Apr 25

66	67	68
2031 May 07	2049 May 17	2067 May 28

69	70	71
2085 Jun 08	2103 Jun 20	2121 Jun 30

72
2139 Jul 12

Tritos series

This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.

Series members between 1817 and 2200
1817 May 01 (Saros 99)	1828 Mar 31 (Saros 100)	1839 Feb 28 (Saros 101)	1850 Jan 28 (Saros 102)	1860 Dec 28 (Saros 103)

		1893 Sep 25 (Saros 106)		1915 Jul 26 (Saros 108)

1926 Jun 25 (Saros 109)	1937 May 25 (Saros 110)	1948 Apr 23 (Saros 111)	1959 Mar 24 (Saros 112)	1970 Feb 21 (Saros 113)

1981 Jan 20 (Saros 114)	1991 Dec 21 (Saros 115)	2002 Nov 20 (Saros 116)	2013 Oct 18 (Saros 117)	2024 Sep 18 (Saros 118)

2035 Aug 19 (Saros 119)	2046 Jul 18 (Saros 120)	2057 Jun 17 (Saros 121)	2068 May 17 (Saros 122)	2079 Apr 16 (Saros 123)

2090 Mar 15 (Saros 124)	2101 Feb 14 (Saros 125)	2112 Jan 14 (Saros 126)	2122 Dec 13 (Saros 127)	2133 Nov 12 (Saros 128)

2144 Oct 11 (Saros 129)	2155 Sep 11 (Saros 130)	2166 Aug 11 (Saros 131)	2177 Jul 11 (Saros 132)	2188 Jun 09 (Saros 133)

2199 May 10 (Saros 134)

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).^[8] This lunar eclipse is related to two solar eclipses of Solar Saros 119.