May_1985_lunar_eclipse

May 1985 lunar eclipse

May 1985 lunar eclipse

Astronomical event

A total lunar eclipse took place on Saturday, May 4, 1985, the first of two total lunar eclipses in 1985, the second being on October 28, 1985.[1]

Quick Facts Date, Gamma ...

This lunar eclipse is the 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.

Visibility

It is seen rising over the whole of Africa, Middle East, Europe and Asia. The eclipse was sighted over the Philippines at night. The second also followed on October 28, 1985.

Eclipses of 1985

Lunar year series

More information Lunar eclipse series sets from 1984–1987, Descending node ...

Metonic series

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.

More information Metonic events: May 4 and October 28, Descending node ...

Saros series

It is a member of Saros cycle 121.

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[2] This lunar eclipse is related to two annular solar eclipses of Solar Saros 128.

More information April 29, 1976 ...

See also

Notes

  1. [1]
    Hermit Eclipse: Saros cycle 121
  2. [2]
    Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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