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April 1967 lunar eclipse

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Total Lunar Eclipse
April 24, 1967

Moon, as observed by Surveyor 3.


The moon passes west to east (right to left) across the Earth's umbral shadow, shown in hourly intervals.
Series 121 (53 of 82)
Gamma 0.2972
Magnitude 1.3356
Duration (hr:mn:sc)
Totality 77 minutes, 56 seconds
Partial 202 minutes, 48 seconds
Penumbral 313 minutes, 24 seconds
Contacts UTC
P1 09:29:45
U1 10:25:02
U2 11:27:28
Greatest 12:06:26
U3 12:45:24
U4 13:47:50
P4 14:43:09

A total lunar eclipse took place on Monday, April 24, 1967, the first of two total lunar eclipses in 1967, the second being on October 18, 1967.[1]

This lunar eclipse is first of a tetrad, four total lunar eclipses in series. The following tetrad is in 1985 and 1986, starting with a May 1985 lunar eclipse.

The Surveyor 3 probe landed on the moon during this eclipse.[2]

More details

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Date = 24 April 1967

Penumbral Magnitude = 2.28924

Umbral Magnitude = 1.33559

Gamma = 0.29722

Greatest Eclipse = 24 April 1967 at 12:06:26.3 UTC

Ecliptic Opposition = 24 April 1967 at 12:03:24.0 UTC

Equatorial Opposition = 24 April 1967 at 11:51:47.1 UTC

Sun position

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Right ascension: 2.09

Declination: 12.7

Moon position

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Right ascension: 14.1

Declination: -12.5

Visibility

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It was visible from Asia, Australia, Pacific Ocean, North America, South America and Antarctica.

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Lunar year series

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Lunar eclipse series sets from 1966–1969
Descending node   Ascending node
Saros Date
Viewing
Type
Chart
Gamma Saros Date
Viewing
Type
Chart
Gamma
111 1966 May 4
Penumbral
1.05536 116 1966 Oct 29
Penumbral
−1.05999
121 1967 Apr 24
Total
0.29722 126 1967 Oct 18
Total
−0.36529
131 1968 Apr 13
Total
−0.41732 136 1968 Oct 6
Total
0.36054
141 1969 Apr 2
Penumbral
−1.17648 146 1969 Sep 25
Penumbral
1.06558
Last set 1965 Jun 14 Last set 1965 Dec 8
Next set 1970 Feb 21 Next set 1969 Aug 27

Tritos series

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The tritos series repeats 31 days short of 11 years at alternating nodes. Sequential events have incremental Saros cycle indices.

This series produces 20 total eclipses between April 24, 1967 and August 11, 2185, only being partial on November 19, 2021.

Tritos eclipse series (subset 1901–2087)
Descending node   Ascending node
Saros Date
Viewing
Type
chart
Saros Date
Viewing
Type
chart
115 1901 Oct 27
Partial
116 1912 Sep 26
Partial
117 1923 Aug 26
Partial
118 1934 Jul 26
Partial
119 1945 Jun 25
Partial
120 1956 May 24
Partial
121 1967 Apr 24
Total
122 1978 Mar 24
Total
123 1989 Feb 20
Total
124 2000 Jan 21
Total
125 2010 Dec 21
Total
126 2021 Nov 19
Partial
127 2032 Oct 18
Total
128 2043 Sep 19
Total
129 2054 Aug 18
Total
130 2065 Jul 17
Total
131 2076 Jun 17
Total
132 2087 May 17
Total
133 2098 Apr 15
Total

Tzolkinex

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Saros series

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It was part of Saros series 121.

Metonic series

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This eclipse is the third of four Metonic cycle lunar eclipses on the same date, April 23–24, each separated by 19 years:

The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the Earth's shadow will in nearly the same location relative to the background stars.

Metonic lunar eclipse sets 1948–2005
Descending node   Ascending node
Saros Date Type Saros Date Type
111 1948 Apr 23 Partial 116 1948 Oct 18 Penumbral
121 1967 Apr 24 Total 126 1967 Oct 18 Total
131 1986 Apr 24 Total 136 1986 Oct 17 Total
141 2005 Apr 24 Penumbral 146 2005 Oct 17 Partial

Half-Saros cycle

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A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[3] This lunar eclipse is related to two annular solar eclipses of Solar Saros 128.

April 19, 1958 April 29, 1976

See also

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Notes

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  1. ^ Hermit Eclipse: Saros cycle 121
  2. ^ A Solar Eclipse from the Moon APOD 2014 April 7
  3. ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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