May 1985 lunar eclipse
|Total Lunar Eclipse
May 4, 1985
The moon passes west to east (right to left) across the Earth's umbral shadow, shown in hourly intervals.
|Series||121 (54 of 84)|
This lunar eclipse is first of a tetrad, four total lunar eclipses in series. The last series was in 1967 and 1968, starting with an April 1967 lunar eclipse, while the next was in 2003 and 2004, starting with a May 2003 lunar eclipse.
Lunar year series
|Descending node||Ascending node|
|111||1984 May 15
||116||1984 Nov 08
|121||1985 May 04
||126||1985 Oct 28
|131||1986 Apr 24
||136||1986 Oct 17
|141||1987 Apr 14
||146||1987 Oct 07
|Last set||1984 Jun 13||Last set||1983 Dec 20|
|Next set||1988 Mar 03||Next set||1988 Aug 27|
This eclipse is the second of four Metonic cycle lunar eclipses on the same date, May 4–5, 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 events: May 4 and October 28|
|Ascending node||Descending node|
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