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Related eclipses

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{{short description|Astronomical event}}
{{Infobox lunar eclipse
| type = total
| image = Lunar eclipse chart close-1986Apr24.png
| caption = The Moon's hourly motion shown right to left
| date = April 24, 1986
| gamma = −0.3683
| magnitude = 1.2022
| saros_ser = 131
| saros_no = 32 of 72
| totality = 63 minutes, 35 seconds
| partiality = 198 minutes, 45 seconds
| penumbral = 312 minutes, 37 seconds
| p1 = 10:06:16
| u1 = 11:03:13
| u2 = 12:10:48
| greatest = 12:42:35
| u3 = 13:14:23
| u4 = 14:21:58
| p4 = 15:18:53
| previous = October 1985
| next = October 1986
}}
A total [[lunar eclipse]] occurred at the Moon’s [[Lunar node|descending node]] of orbit on Thursday, April 24, 1986,<ref>{{cite web|title=April 24–25, 1986 Total Lunar Eclipse (Blood Moon)|url=https://www.timeanddate.com/eclipse/lunar/1986-april-24|publisher=timeanddate|access-date=6 January 2025}}</ref> with an umbral [[Magnitude of eclipse|magnitude]] of 1.2022. A lunar eclipse occurs when the [[Moon]] moves into the [[Earth's shadow]], causing the Moon to be darkened. A total lunar eclipse occurs when the Moon's near side entirely passes into the Earth's umbral shadow. Unlike a [[solar eclipse]], which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the [[night]] side of Earth. A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's [[Umbra, penumbra and antumbra|shadow]] is smaller. Occurring about 1.25 days before [[Apsis|perigee]] (on April 25, 1986, at 18:40 UTC), the Moon's apparent diameter was larger.<ref>{{cite web|title=Moon Distances for London, United Kingdom, England|url=https://www.timeanddate.com/astronomy/moon/distance.html?year=1986&n=136|publisher=timeanddate|access-date=6 January 2025}}</ref>

This lunar eclipse was the third of a [[Tetrad (astronomy)|tetrad]], with four total lunar eclipses in series, the others being on [[May 1985 lunar eclipse|May 4, 1985]]; [[October 1985 lunar eclipse|October 28, 1985]]; and [[October 1986 lunar eclipse|October 17, 1986]].

== Visibility ==
The eclipse was completely visible over [[Australia]], [[east Asia|east]] and [[northeast Asia]], [[Antarctica]], and the western and central [[Pacific Ocean]], seen rising over much of [[Asia]] and setting over [[North America]] and western [[South America]].<ref>{{cite web|title=Total Lunar Eclipse of 1986 Apr 24|url=https://eclipse.gsfc.nasa.gov/LEplot/LEplot1951/LE1986Apr24T.pdf|publisher=NASA|access-date=6 January 2025}}</ref>

{| class=wikitable
|[[File:Lunar eclipse from moon-1986Apr24.png|300px]] [[File:Lunar eclipse chart close-1986Apr24.png|300px]]
|}

== Eclipse details ==
Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.<ref>{{cite web|title=Total Lunar Eclipse of 1986 Apr 24|url=https://eclipsewise.com/lunar/LEprime/1901-2000/LE1986Apr24Tprime.html|publisher=EclipseWise.com|access-date=6 January 2025}}</ref>

{|class="wikitable" align="{{{align|left}}}" style="margin:{{#ifeq:{{{align}}}|right|0 0 0.5em 1em|0 1em 0.5em 0}}"
|+April 24, 1986 Lunar Eclipse Parameters
! Parameter
! Value
|-
| Penumbral Magnitude
| 2.16203
|-
| Umbral Magnitude
| 1.20217
|-
| Gamma
| −0.36826
|-
| Sun Right Ascension
| 02h07m09.8s
|-
| Sun Declination
| +12°52'05.8"
|-
| Sun Semi-Diameter
| 15'54.1"
|-
| Sun Equatorial Horizontal Parallax
| 08.7"
|-
| Moon Right Ascension
| 14h06m30.3s
|-
| Moon Declination
| -13°12'18.9"
|-
| Moon Semi-Diameter
| 16'34.0"
|-
| Moon Equatorial Horizontal Parallax
| 1°00'48.0"
|-
| ΔT
| 55.0 s
|}
{{clear}}

== Eclipse season ==
{{See also|Eclipse cycle}}
This eclipse is part of an [[eclipse season]], a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a [[fortnight]].

{| class="wikitable"
|+ Eclipse season of April 1986
! [[Solar eclipse of April 9, 1986|April 9]] Ascending node (new moon) !! [[April 1986 lunar eclipse|April 24]] Descending node (full moon) 
|-
| [[File:SE1986Apr09P.png|200px]] || [[File:Lunar eclipse chart close-1986Apr24.png|200px]]
|- align=center
| [[Total eclipse#Types|Partial solar eclipse]] Solar Saros 119 || [[Lunar eclipse#Types of lunar eclipse|Total lunar eclipse]] Lunar Saros 131
|}

== Related eclipses ==
=== Eclipses in 1986 ===
* [[Solar eclipse of April 9, 1986|A partial solar eclipse on April 9]].
* '''A total lunar eclipse on April 24.'''
* [[Solar eclipse of October 3, 1986|A hybrid solar eclipse on October 3]].
* [[October 1986 lunar eclipse|A total lunar eclipse on October 17]].

=== Metonic ===
* Preceded by: [[July 1982 lunar eclipse|Lunar eclipse of July 6, 1982]]
* Followed by: [[February 1990 lunar eclipse|Lunar eclipse of February 9, 1990]]

=== Tzolkinex ===
* Preceded by: [[March 1979 lunar eclipse|Lunar eclipse of March 13, 1979]]
* Followed by: [[June 1993 lunar eclipse|Lunar eclipse of June 4, 1993]]

=== Half-Saros ===
* Preceded by: [[Solar eclipse of April 18, 1977]]
* Followed by: [[Solar eclipse of April 29, 1995]]

=== Tritos ===
* Preceded by: [[May 1975 lunar eclipse|Lunar eclipse of May 25, 1975]]
* Followed by: [[March 1997 lunar eclipse|Lunar eclipse of March 24, 1997]]

=== Lunar Saros 131 ===
* Preceded by: [[April 1968 lunar eclipse|Lunar eclipse of April 13, 1968]]
* Followed by: [[May 2004 lunar eclipse|Lunar eclipse of May 4, 2004]]

=== Inex ===
* Preceded by: [[May 1957 lunar eclipse|Lunar eclipse of May 13, 1957]]
* Followed by: [[April 2015 lunar eclipse|Lunar eclipse of April 4, 2015]]

=== Triad ===
* Preceded by: [[June 1899 lunar eclipse|Lunar eclipse of June 23, 1899]]
* Followed by: [[February 2073 lunar eclipse|Lunar eclipse of February 22, 2073]]

=== Lunar eclipses of 1984–1987 ===
{{Lunar eclipse set 1984-1987}}

=== Metonic series ===
{{Metonic lunar eclipse 1948-2005}}

=== Saros 131 ===
{{Lunar Saros series 131}}

=== Tritos series ===
{{Lunar Tritos series February 2008}}

=== Inex series ===
{{Lunar Inex series April 2015}}

=== Half-Saros cycle ===
A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a [[Saros_(astronomy)#Relationship_between_lunar_and_solar_saros_.28sar.29|half saros]]).<ref>Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, ''The half-saros''</ref> This lunar eclipse is related to two annular solar eclipses of [[Solar Saros 138]].
{| class=wikitable
![[Solar eclipse of April 18, 1977|April 18, 1977]]
![[Solar eclipse of April 29, 1995|April 29, 1995]]
|-
|[[File:SE1977Apr18A.png|240px]]
|[[File:SE1995Apr29A.png|240px]]
|}

== See also ==
*[[List of lunar eclipses]]
*[[List of 20th-century lunar eclipses]]
*[[Lunar eclipse#Blood moon|Blood Moon]]
*[[Orbit of the Moon]]

== Notes ==
{{reflist}}

==External links ==
* {{LEplot1951 link|1986|Apr|24|T}}

{{Lunar eclipses}}

{{DEFAULTSORT:Lunar eclipse 1986-04}}
[[Category:20th-century lunar eclipses|1986-04]]
[[Category:1986 in science]]
[[Category:April 1986]]

April 1986 lunar eclipse - Revision history

imported>Weatherman4064: /* Related eclipses */