April 1977 lunar eclipse
Contacts (UTC) | |
---|---|
P1 | 02:06:47.8 |
U1 | 03:30:56.7 |
Greatest | 04:18:15.7 |
U4 | 05:05:42.3 |
P4 | 06:29:45.5 |
A partial lunar eclipse took place on Monday, April 4, 1977, the first of two lunar eclipses in 1977. Lasting 1 hour and 34.76 minutes, 19.289% of the Moon was in shadow at maximum.[1]
Visibilility
It was completely visible over North America, South America, Europe and Asia, seen rising over the Pacific and setting over the Middle East.
Related lunar eclipses
Eclipses in 1977
- A partial lunar eclipse on Monday, 4 April 1977.
- An annular solar eclipse on Monday, 18 April 1977.
- A penumbral lunar eclipse on Tuesday, 27 September 1977.
- A total solar eclipse on Wednesday, 12 October 1977.
Lunar year series
Lunar eclipse series sets from 1977–1980 | ||||||||
---|---|---|---|---|---|---|---|---|
Ascending node | Descending node | |||||||
Saros | Date Viewing | Type Chart | Gamma | Saros | Date Viewing | Type Chart | Gamma | |
112 | 1977 Apr 04 | Partial | −0.91483 | 117 | 1977 Sep 27 | Penumbral | 1.07682 | |
122 | 1978 Mar 24 | Total | −0.21402 | 127 | 1978 Sep 16 | Total | 0.29510 | |
132 | 1979 Mar 13 | Partial | 0.52537 | 137 | 1979 Sep 06 | Total | −0.43050 | |
142 | 1980 Mar 01 | Penumbral | 1.22701 | 147 | 1980 Aug 26 | Penumbral | −1.16082 | |
Last set | 1976 May 13 | Last set | 1976 Nov 06 | |||||
Next set | 1981 Jan 20 | Next set | 1980 Jul 27 |
Saros series
Lunar Saros series 112, repeating every 18 years and 11 days, has a total of 72 lunar eclipse events including 15 total lunar eclipses.
Greatest | First | |||
---|---|---|---|---|
The greatest eclipse of the series occurred on 1490 Jun 02, lasting 100 minutes.[2] | 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 |
There are 11 series events between 1901 and 2100, grouped into threes (called an exeligmos), each column with approximately the same viewing longitude on Earth.
1905 Feb 19 | 1923 Mar 3 | 1941 Mar 13 | |||
1959 Mar 24 | 1977 Apr 04 | 1995 Apr 15 | |||
2013 Apr 25 | 2031 May 07 | 2049 May 17 | |||
2067 May 28 | 2085 Jun 08 | ||||
Half-Saros cycle
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 partial solar eclipses of Solar Saros 119.
March 28, 1968 | April 9, 1986 |
---|---|
See also
Notes
External links
- 1977 Apr 04 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
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by era
by saros series
Partial eclipses
- 1903 Apr
- 1914 Mar
- 1916 Jul
- 1952 Feb
- 1952 Aug
- 1954 Jul
- 1955 Nov
- 1956 May
- 1958 May
- 1959 Mar
- 1961 Mar
- 1961 Aug
- 1963 Jul
- 1965 Jun
- 1970 Feb
- 1970 Aug
- 1972 Jul
- 1973 Dec
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- 1977 Apr
- 1979 Mar
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- 2017 Aug
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- 2021 Nov
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- → 2024 Sep
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- 2030 Jun
- 2034 Sep
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- 2039 Nov
- 2041 May
- 2041 Nov
- 2046 Jan
- 2046 Jul
- 2048 Jun
- 2052 Oct
- 2055 Aug
- 2075 Jun
- 2099 Apr
Total eclipses
- 1504 Mar
- 1910 May
- 1913 Sep
- 1920 May
- 1950 Apr
- 1950 Sep
- 1953 Jan
- 1953 Jul
- 1954 Jan
- 1956 Nov
- 1957 May
- 1957 Nov
- 1960 Mar
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- 1964 Dec
- 1967 Apr
- 1967 Oct
- 1968 Apr
- 1968 Oct
- 1971 Feb
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- 1972 Jan
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- 1975 Nov
- 1978 Mar
- 1978 Sep
- 1979 Sep
- 1982 Jan
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- 1982 Dec
- 1985 May
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- 1989 Feb
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- 2014 Apr
- 2014 Oct
- 2015 Apr
- 2015 Sep
- 2018 Jan
- 2018 Jul
- 2019 Jan
- 2021 May
- 2022 May
- 2022 Nov
- → 2025 Mar
- 2025 Sep
- 2026 Mar
- 2028 Dec
- 2029 Jun
- 2029 Dec
- 2032 Apr
- 2032 Oct
- 2033 Apr
- 2033 Oct
- 2036 Feb
- 2036 Aug
- 2037 Jan
- 2040 May
- 2040 Nov
- 2043 Mar
- 2043 Sep
- 2044 Mar
- 2044 Sep
- 2047 Jan
- 2047 Jul
- 2048 Jan
- 2050 May
- 2050 Oct
- 2051 Apr
- 2051 Oct
- 2054 Feb
- 2054 Aug
- 2055 Feb
- 2058 Jun
- 2065 Jul
- 2069 May
- 2072 Aug
- 2076 Jun
- 2083 Jul
- 2084 Jan
- 2087 May
- 2090 Sep
- 2094 Jun
- 2123 Jun
- 2170 May
Penumbral eclipses
- Category
- → symbol denotes next eclipse in series
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