October 1986 Lunar Eclipse
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A total
lunar eclipse A lunar eclipse occurs when the Moon moves into the Earth's shadow. Such alignment occurs during an eclipse season, approximately every six months, during the full moon phase, when the Moon's orbital plane is closest to the plane of the Earth ...
took place on Friday, October 17, 1986, the second of two total lunar eclipses in 1986, the first being on April 24, 1986. The Moon was plunged into darkness for 1 hour, 13 minutes and 41 seconds, in a deep total eclipse which saw the Moon 24.545% of its diameter inside the Earth's umbral shadow. The visual effect of this depends on the state of the Earth's atmosphere, but the Moon may have been stained a deep red colour. The partial eclipse lasted for 3 hours, 36 minutes and 49.5 seconds in total. The Moon was 5.4 days before apogee (Apogee on Thursday, October 23, 1986), making it 3.3% smaller than average.


Visibility

It was completely visible over Europe, Africa, Asia and Australia, seen rising over Europe, Africa on the evening of Friday, October 17, 1986, and setting over Asia, Australia on the morning of Saturday, October 18, 1986.


Related eclipses


Eclipses of 1986

* A partial solar eclipse on April 9. * A total lunar eclipse on April 24. * A hybrid solar eclipse on October 3. * A total lunar eclipse on October 17.


Lunar year series


Metonic series

This eclipse is the third of four
Metonic cycle The Metonic cycle or enneadecaeteris (from grc, ἐννεακαιδεκαετηρίς, from ἐννεακαίδεκα, "nineteen") is a period of almost exactly 19 years after which the lunar phases recur at the same time of the year. The recu ...
lunar eclipses on the same date, October 17–18, each separated by 19 years:


Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, ''The half-saros'' This lunar eclipse is related to two total solar eclipses of
Solar Saros 143 Saros cycle The saros () is a period of exactly 223 synodic months, approximately 6585.3211 days, or 18 years, 10, 11, or 12 days (depending on the number of leap years), and 8 hours, that can be used to predict eclipses of the Sun and Moon. ...
.


See also

*
List of lunar eclipses There are several lists of lunar eclipses On the Moon, by the Earth ; Type * List of central lunar eclipses * Total penumbral lunar eclipse ; Classification * List of saros series for lunar eclipses * Tetrad (astronomy) contains lists of tetrads ...
*
List of 20th-century lunar eclipses A total of 229 lunar eclipses took place in the 20th century: 83 penumbral, 65 partial and 81 total. See also: Lists of lunar eclipses, List of 19th-century lunar eclipses and List of 21st-century lunar eclipses List Eclipses from 2001 to 200 ...


Notes


External links

* 1986-10 1986 in science October 1986 events {{lunar-eclipse-stub