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{{Short description|Total lunar eclipse 6 July 1982}}
{{Use dmy dates|date=January 2019}}
{{Infobox lunar eclipse
| type = total
| image = Lunar eclipse chart close-1982Jul06.png
| caption = The Moon's hourly motion shown right to left
| date = July 6, 1982
| gamma = −0.0579
| magnitude = 1.7180
| saros_ser = 129
| saros_no = 36 of 71
| totality = 105 minutes, 44 seconds
| partiality = 235 minutes, 35 seconds
| penumbral = 373 minutes, 51 seconds
| p1 = 4:23:58
| u1 = 5:33:07
| u2 = 6:38:03
| greatest = 7:30:55
| u3 = 8:23:47
| u4 = 9:28:42
| p4 = 10:37:49
| previous = January 1982
| next = December 1982
}}
A total [[lunar eclipse]] occurred at the Moon’s [[Lunar node|descending node]] of orbit on Tuesday, July 6, 1982,<ref>{{cite web|title=July 5–6, 1982 Total Lunar Eclipse (Blood Moon)|url=https://www.timeanddate.com/eclipse/lunar/1982-july-6|publisher=timeanddate|access-date=6 January 2025}}</ref> with an umbral [[Magnitude of eclipse|magnitude]] of 1.7180. It was a [[List of central lunar eclipses|central lunar eclipse]], in which part of the [[Moon]] passed through the [[antisolar point|center]] of the [[Earth's shadow]]. 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 1.2 days after [[Apsis|apogee]] (on July 5, 1982, at 2:30 UTC), the Moon's apparent diameter was smaller.<ref>{{cite web|title=Moon Distances for London, United Kingdom, England|url=https://www.timeanddate.com/astronomy/moon/distance.html?year=1982&n=136|publisher=timeanddate|access-date=6 January 2025}}</ref> It was the longest total lunar eclipse since [[August 1859 lunar eclipse|the 1859 eclipse]].<ref name="Mus2002">{{cite book |date=2002 |first=Jan |last=Meeus |title=More Mathematical Astronomy Morsels |isbn=0943396743 |url=https://falakmu.id/khgt/dokumen/More%20mathematical%20astronomy%20morsels%20(Jean%20Meeus)%20(Z-Library).pdf}}</ref>{{rp|145}}

== Visibility ==
The eclipse was completely visible over western and central [[North America]], western [[South America]], and [[Antarctica]], seen rising over northwestern North America, [[Australia]], and the western [[Pacific Ocean]] and setting over northeastern North America, eastern South America, and [[west Africa|west]] and [[southern Africa]].<ref>{{cite web|title=Total Lunar Eclipse of 1982 Jul 06|url=https://eclipse.gsfc.nasa.gov/LEplot/LEplot1951/LE1982Jul06T.pdf|publisher=NASA|access-date=6 January 2025}}</ref>

{| class=wikitable
|[[File:Lunar eclipse from moon-1982Jul06.png|300px]] [[File:Lunar eclipse chart close-1982Jul06.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 1982 Jul 06|url=https://eclipsewise.com/lunar/LEprime/1901-2000/LE1982Jul06Tprime.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}}"
|+July 6, 1982 Lunar Eclipse Parameters
! Parameter
! Value
|-
| Penumbral Magnitude
| 2.78600
|-
| Umbral Magnitude
| 1.71795
|-
| Gamma
| −0.05792
|-
| Sun Right Ascension
| 07h00m26.1s
|-
| Sun Declination
| +22°42'50.6"
|-
| Sun Semi-Diameter
| 15'43.9"
|-
| Sun Equatorial Horizontal Parallax
| 08.6"
|-
| Moon Right Ascension
| 19h00m26.1s
|-
| Moon Declination
| -22°45'58.4"
|-
| Moon Semi-Diameter
| 14'43.7"
|-
| Moon Equatorial Horizontal Parallax
| 0°54'03.4"
|-
| ΔT
| 52.6 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]]. The first and last eclipse in this sequence is separated by one [[month#Synodic month|synodic month]].

{| class="wikitable"
|+ Eclipse season of June–July 1982
! [[Solar eclipse of June 21, 1982|June 21]] Ascending node (new moon) || July 6 Descending node (full moon) !! [[Solar eclipse of July 20, 1982|July 20]] Ascending node (new moon) 
|-
| [[File:SE1982Jun21P.png|200px]] || [[File:Lunar eclipse chart close-1982Jul06.png|200px]] || [[File:SE1982Jul20P.png|200px]]
|- align=center
| [[Total eclipse#Types|Partial solar eclipse]] Solar Saros 117 || [[Lunar eclipse#Types of lunar eclipse|Total lunar eclipse]] Lunar Saros 129 || [[Total eclipse#Types|Partial solar eclipse]] Solar Saros 155
|}

== Related eclipses ==
=== Eclipses in 1982 ===
* [[January 1982 lunar eclipse|A total lunar eclipse on January 9]].
* [[Solar eclipse of January 25, 1982|A partial solar eclipse on January 25]].
* [[Solar eclipse of June 21, 1982|A partial solar eclipse on June 21]].
* '''A total lunar eclipse on July 6.'''
* [[Solar eclipse of July 20, 1982|A partial solar eclipse on July 20]].
* [[Solar eclipse of December 15, 1982|A partial solar eclipse on December 15]].
* [[December 1982 lunar eclipse|A total lunar eclipse on December 30]].

=== Metonic ===
* Preceded by: [[September 1978 lunar eclipse|Lunar eclipse of September 16, 1978]]
* Followed by: [[April 1986 lunar eclipse|Lunar eclipse of April 24, 1986]]

=== Tzolkinex ===
* Preceded by: [[May 1975 lunar eclipse|Lunar eclipse of May 25, 1975]]
* Followed by: [[August 1989 lunar eclipse|Lunar eclipse of August 17, 1989]]

=== Half-Saros ===
* Preceded by: [[Solar eclipse of June 30, 1973]]
* Followed by: [[Solar eclipse of July 11, 1991]]

=== Tritos ===
* Preceded by: [[August 1971 lunar eclipse|Lunar eclipse of August 6, 1971]]
* Followed by: [[June 1993 lunar eclipse|Lunar eclipse of June 4, 1993]]

=== Lunar Saros 129 ===
* Preceded by: [[June 1964 lunar eclipse|Lunar eclipse of June 25, 1964]]
* Followed by: [[July 2000 lunar eclipse|Lunar eclipse of July 16, 2000]]

=== Inex ===
* Preceded by: [[July 1953 lunar eclipse|Lunar eclipse of July 26, 1953]]
* Followed by: [[June 2011 lunar eclipse|Lunar eclipse of June 15, 2011]]

=== Triad ===
* Preceded by: [[September 1895 lunar eclipse|Lunar eclipse of September 4, 1895]]
* Followed by: [[May 2069 lunar eclipse|Lunar eclipse of May 6, 2069]]

=== Lunar eclipses of 1980–1984 ===
{{Lunar eclipse set 1980-1984}}

=== Saros 129 ===
{{Lunar Saros series 129}}

=== Tritos series ===
{{Lunar Tritos series May 2004}}

=== Inex series ===
{{Lunar Inex series June 2011}}

=== 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 total solar eclipses of [[Solar Saros 136]].
{| class=wikitable
![[Solar eclipse of June 30, 1973|June 30, 1973]]
![[Solar eclipse of July 11, 1991|July 11, 1991]]
|-
|[[File:SE1973Jun30T.png|240px]]
|[[File:SE1991Jul11T.png|240px]]
|}

== See also ==
*[[List of lunar eclipses]]
*[[List of 20th-century lunar eclipses]]

== Notes ==
{{reflist}}

== External links ==
* [http://eclipse.gsfc.nasa.gov/lunar.html NASA: Lunar Eclipses: Past and Future]
** {{LEplot1951 link|1982|Jul|06|T}}
** [http://eclipse.gsfc.nasa.gov/LEcat5/LEcatalog.html Index to Five Millennium Catalog of Lunar Eclipses, -1999 to +3000 (2000 BCE to 3000 CE)]
*** [http://eclipse.gsfc.nasa.gov/LEcat5/LE1901-2000.htmlLunar Eclipses: 1901 to 2000]{{dead link|date=January 2025|bot=medic}}{{cbignore|bot=medic}}
* [http://www.mreclipse.com/LEphoto/TLE1982Jul/TLE1982Jul.html Total Lunar Eclipse of 1982 July 06 Photo Gallery]
** [http://www.mreclipse.com/LEphoto/TLE1982Jul/image/TLE1982-205+6w.JPG Photo mideclipse]
* [http://www.astropix.com/HTML/G_MOON/LUNAR1.HTM Vulcan Eclipse End of Totality 6 July 1982, by Jerry Lodriguss]

== References ==
* Bao-Lin Liu, ''Canon of Lunar Eclipses 1500 B.C.-A.D. 3000'', 1992

{{Lunar eclipses}}

{{DEFAULTSORT:Lunar eclipse 1982-07}}
[[Category:20th-century lunar eclipses|1982-07]]
[[Category:Central total lunar eclipses|1982-07]]
[[Category:1982 in science]]
[[Category:July 1982]]

July 1982 lunar eclipse - Revision history

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