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{{Short description|Total lunar eclipse of 20 February 2008}}
{{Use dmy dates|date=July 2021}}
{{Infobox lunar eclipse
| type       = total
| image      = February 2008 total lunar eclipse John Buonomo.jpg
| caption    = Telescopic view, from North Billerica, Massachusetts at 3:25 UT, near greatest eclipse.
| date       = 21 February 2008
| gamma      = -0.39923
| magnitude  = 1.10618
| saros_ser  = 133
| saros_no   = 26 of 71
| totality   = 49 minutes, 46 seconds
| partiality = 205 minutes, 28 seconds
| penumbral  = 339 minutes, 3 seconds
| p1         = 00:36:34
| u1         = 01:43:17
| u2         = 03:01:09
| greatest   = 03:26:03
| u3         = 03:50:55
| u4         = 05:08:45
| p4         = 06:15:37
| previous   = August 2007
| next       = August 2008
}}

A total [[lunar eclipse]] occurred on February 20 and February 21, 2008. It was visible in the eastern evening sky on February 20 for all of [[North America|North]] and South America, and on February 21 in the predawn western sky from most of Africa and Europe. Greatest Eclipse occurring on Thursday, February 21, 2008, at 03:26:03 UTC, totality lasting 49 minutes and 45.6 seconds.

Occurring 7.1 days after perigee (Perigee on February 14, 2008) and 6.9 days before apogee (Apogee on February 28, 2008), the Moon's apparent diameter was near the average diameter.

The total lunar eclipse was the first of the two lunar eclipses in 2008, with the second, the [[August 2008 lunar eclipse|August 16, 2008]] event being partial.<ref>{{cite web |url=https://eclipse.gsfc.nasa.gov/LEplot/LEplot2001/LE2008Aug16P.pdf |title=Partial Lunar Eclipse of 16 Aug 2008 |website=eclipse.gsfc.nasa.gov}}</ref> The next total lunar eclipse occurred on [[December 2010 lunar eclipse|December 21, 2010]]. The tables below contain detailed predictions and additional information on the Total Lunar Eclipse of 21 February 2008.

The Moon's apparent diameter was 26.2 arcseconds larger than the [[August 2008 lunar eclipse|August 16, 2008 partial lunar eclipse]].

== Eclipse season ==

This is the second eclipse this [[eclipse season|season]].

First eclipse this season: [[Solar eclipse of February 7, 2008|7 February 2008 Annular Solar Eclipse]]

Date = 21 February 2008
*Penumbral Magnitude = 2.14507
*Umbral Magnitude = 1.10618
*Gamma: -0.39923
*Greatest Eclipse: 21 Feb 2008 03:26:03.3 UTC (03:27:08.8 TD)
*Ecliptic Opposition: 21 Feb 2008 03:30:30.8 UTC (03:31:36.3 TD)
*Equatorial Opposition: 21 Feb 2008 03:48:25.7 UTC (03:49:31.2 TD)
*Sun right ascension: 22 hours, 15 minutes, 30.0 seconds
*Moon right ascension: 10 hours, 14 minutes, 48.5 seconds
*Earth's shadow right ascension: 10 hours, 15 minutes, 30.0 seconds
*Sun declination: 10 degrees, 48 minutes, 31.3 seconds south of Celestial Equator
*Moon declination: 10 degrees, 28 minutes, 7.6 seconds north of Celestial Equator
*Earth's shadow declination: 10 degrees, 48 minutes, 31.3 seconds north of Celestial Equator
*Sun diameter: 1941.0 arcseconds
*Moon diameter: 1868.4 arcseconds
*Penumbra diameter: 2 degrees, 1684.08 arcseconds (8884.08 arcseconds)
*Umbra diameter: 1 degree, 1402.56 arcseconds (5002.56 arcseconds)
*Saros Series: 133rd (26 of 71)
*Node: Descending Node

== Viewing ==
[[File:2008-02-21 Lunar Eclipse Sketch.png|thumb|right|NASA chart of the eclipse]]
The eclipse was visible in the eastern evening sky on February 20 for all of North and South America, and on February 21 in the predawn western sky from most of Africa and Europe.
{{Lunarsaros133_db|LunarEclipse visibility|200802}}

The penumbral eclipse began at 00:35 [[UTC]] (February 21), and ended at 6:17. A partial eclipse existed from 1:43 until 3:00, followed by 51 minutes of totality (3:00 - 3:51), and then partial again from 3:51 until 5:09. (For local times, see [[#Timing|Timing]].)

It is possible to mistake the appearance of partial eclipse as the Moon being in a different [[Lunar phase|phase]], but the shadow from the eclipse changes much more rapidly.<ref>{{cite web |url=https://www.spaceweather.com/eclipses/20feb08e/John-Doukoumopoulos2.jpg |title=John-Doukoumopoulos2}}</ref>

The bright star [[Regulus]] of [[Leo (constellation)|Leo]] and the planet [[Saturn]] were prominent very near the Moon during the total eclipse portion. Shortly before the eclipse began, Regulus was [[Occultation|occulted]] by the Moon in parts of the far Southern Atlantic Ocean and Antarctica.

===Map===
[[File:Visibility Lunar Eclipse 2008-02-21.png|480px]]

==Relation to other lunar eclipses==
=== Eclipses of 2008 ===
* [[Solar eclipse of February 7, 2008|An annular solar eclipse on February 7]].
* A total lunar eclipse on February 21.
* [[Solar eclipse of August 1, 2008|A total solar eclipse on August 1]].
* [[August 2008 lunar eclipse|A partial lunar eclipse on August 16]].

=== Lunar year series ===
{{Lunar eclipse set 2006-2009}}

=== Saros series ===

This lunar eclipse is part of series 133 of the [[Saros cycle]], which repeats every 18 years and 11 days. Series 133 runs from the year 1557 until 2819. The previous eclipse of this series occurred on February 9, 1990, and the next will occur on March 3, 2026.

It is the 6th of 21 total lunar eclipses in series 133. The first was on December 28, 1917. The last (21st) will be on August 3, 2278. The longest two occurrences of this series (14th and 15th) will last for a total of 1 hour and 42 minutes on May 18, 2152, and May 30, 2170. [[Solar Saros 140|Solar saros 140]] interleaves with this lunar saros with an event occurring every 9 years 5 days alternating between each saros series.

{{Lunar Saros 133 summary}}

=== Metonic cycle (19 years) ===

This is the fourth of five Metonic lunar eclipses.

{{Metonic lunar eclipse 1951-2027}}

=== 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 140]].

{| class=wikitable
![[Solar eclipse of February 16, 1999|February 16, 1999]]
![[Solar eclipse of February 26, 2017|February 26, 2017]]
|-
|[[File:SE1999Feb16A.png|240px]]
|[[File:SE2017Feb26A.png|240px]]
|}

==Timing==
The Moon entered the [[penumbra|penumbral shadow]] at 0:36 [[UTC]], and the [[umbra|umbral shadow]] at 1:43. Totality lasted for 50 minutes, between 3:01 and 3:51. The Moon left the umbra shadow at 5:09 and left the penumbra shadow at 6:16.<ref>{{cite web|url=https://eclipse.gsfc.nasa.gov/LEplot/LEplot2001/LE2008Feb21T.pdf|title=Total lunar eclipse of 2008 Feb 21|date=2008-02-21|publisher=[[NASA]]}} Eclipse Predictions by Fred Espenak, NASA's GSFC</ref>

{| class="wikitable"
|+ Total Lunar Eclipse<ref>{{cite web|title=NASA - Total Lunar Eclipse: February 20, 2008 |url=http://sunearth.gsfc.nasa.gov/eclipse/LEmono/TLE2008Feb21/TLE2008Feb21.html |access-date=2008-02-21 |date=2008 |archive-url=https://web.archive.org/web/20080221075120/http://sunearth.gsfc.nasa.gov/eclipse/LEmono/TLE2008Feb21/TLE2008Feb21.html |archive-date=2008-02-21 |url-status=dead }}</ref>
|-
! colspan=2 rowspan=3| Event
!  COLSPAN=6 | North and South America
!  COLSPAN=3 | Europe and Africa
|-
!  COLSPAN=6 | Evening of February 20th
|  COLSPAN=3 align=center BGCOLOR="#e0e0f0"|'''Morning of February 21st'''
|-
! AKST<br />(-9<sub>h</sub>)
! PST<br />(-8<sub>h</sub>)
! MST<br />(-7<sub>h</sub>)
! CST<br />(-6<sub>h</sub>)
! EST<br />(-5<sub>h</sub>)
! AST<br />(-4<sub>h</sub>)
! GMT<br />(0<sub>h</sub>)
! [[Central European Time|CET]]<br />(+1<sub>h</sub>)
! [[Eastern European Time|EET]]<br />(+2<sub>h</sub>)
|- align=center
!P1
! Penumbral began
| Under Horizon
| Under Horizon
| Under Horizon
| 18:36
| 19:36
| 20:36
|BGCOLOR="#e0e0f0"| 0:36
|BGCOLOR="#e0e0f0"| 1:36
|BGCOLOR="#e0e0f0"| 2:36
|- align=center
!U1
! Partial began
| Under Horizon
| Under Horizon
| 18:43
| 19:43
| 20:43
| 21:43
|BGCOLOR="#e0e0f0"| 1:43
|BGCOLOR="#e0e0f0"| 2:43
|BGCOLOR="#e0e0f0"| 3:43
|- align=center
!U2
! Total began
| Under Horizon
| 19:01
| 20:01
| 21:01
| 22:01
| 23:01
|BGCOLOR="#e0e0f0"| 3:01
|BGCOLOR="#e0e0f0"| 4:01
|BGCOLOR="#e0e0f0"| 5:01
|- align=center
!
! Mid-eclipse
| 18:26
| 19:26
| 20:26
| 21:26
| 22:26
| 23:26
|BGCOLOR="#e0e0f0"| 3:26
|BGCOLOR="#e0e0f0"| 4:26
|BGCOLOR="#e0e0f0"| 5:26
|- align=center
!U3
! Total ended
| 18:51
| 19:51
| 20:51
| 21:51
| 22:51
| 23:51
|BGCOLOR="#e0e0f0"| 3:51
|BGCOLOR="#e0e0f0"| 4:51
|Set
|- align=center
!U4
! Partial ended
| 20:09
| 21:09
| 22:09
| 23:09
|BGCOLOR="#e0e0f0"| 0:09
|BGCOLOR="#e0e0f0"| 1:09
|BGCOLOR="#e0e0f0"| 5:09
|Set
|Set
|}

==Photo gallery==
<!-- Please make all times standardised to UTC/GMT for continuities sake -->

=== Composites ===

{| class="wikitable" style="margin:1em auto;" width=640
| valign=top align=center|[[Image:Composicao.jpg|220px]]<br />Eclipse observed from [[Sandim]], Portugal. {{coord|41|02|22|N|8|30|50|W}}.
| valign=top align=center|[[Image:Feb 20 2008 Lunar Eclipse Collage.jpg|220px]]<br />Eclipse observed from [[Regina, Saskatchewan]]. Each image is roughly taken 5 minutes apart.
|-
| valign=top align=center|[[Image:Lunar Eclipse 02-20-08.jpg|220px]]<br />Images taken in 3-5 minute Intervals - from [[Bradley, Illinois]].
| valign=top align=center|[[Image:Lunareclipse21feb08.jpg|220px]]<br />Eclipse observed from [[Halton Hills, Ontario]]. From 01:47 to 03:15 UTC, each image is roughly taken 5min apart.
|-
| colspan=2 align=center|<br />Eclipse observed from [[Winnipeg, Manitoba]]
|-
| colspan=2 align=center|<br />Lunar eclipse observed from [[Burlington, Ontario]]
|-
| colspan=2 align=center|[[Image:Feb 20 08 Eclipse Merge.jpg|640px]]<br />Observed from [[Baltimore, Maryland]], from 2:30 to 3:01 UTC. Lunar north is near left.
|}

=== North America ===

==== Canada ====

<gallery widths="140px" heights="100px" style="margin:2px auto;" perrow="3">
Image:Lunar_Eclipse_Burlington_Ontario.jpg|Eclipse Observed from [[Burlington, Ontario]], at 2:00 UTC.

Image:Lunar Eclipse 200802210349.png|Eclipse observed from [[Victoria, British Columbia]], at 2:49 UTC. Lunar north is near top-left.

Image:Lunar Eclipse 200802210356.png|Eclipse observed from Victoria, British Columbia at 2:56 UTC, just prior to total. Lunar north is near top-left.

Image:Eclipse_2008_feb_20_sa_411utc.jpg|Eclipse observed from [[Salmon Arm]], Canada at 3:11 UTC. Lunar north is near top-left.

Image:EclipseCanada08 4.JPG|Eclipse observed from Burlington, Ontario at 4:05 UTC.
</gallery>

==== USA (west) ====
<gallery widths="140px" heights="100px" style="margin:2px auto;" perrow="4">
Image:Eclipse_2007.jpg|Eclipse observed from [[Salem, Oregon]]. Lunar north is near top-left.

Image:Eclipse08_Urbana.jpg|Observed from [[Urbana, Illinois]], at 3:06 UTC. Lunar north is near top-left.

Image:Lunar Eclipse 2008-02-20 Boulder.jpg|Observed from [[Boulder, Colorado]], at 4:17 UTC. Lunar north is near top-left. [[Mare Humorum]] appears at bottom, [[Tycho (crater)|Tycho's rays]] at bottom right.
</gallery>

==== USA (east) ====

<gallery widths="140px" heights="100px" style="margin:2px auto;" perrow="4">
Image:February 21, 2008 lunar eclipse, West Hartford, CT, 1-42 UTC.jpg|Moon observed from [[West Hartford, Connecticut]], at 1:42 UTC. Lunar north is left.

Image:21 Feb 2008 lunar eclipse totality.JPG|Eclipse observed from [[Philadelphia, Pennsylvania]], at 2:49 UTC.

Image:Lunar eclipse February 21, 2008, Millersville, PA.jpg|Eclipse observed from [[Millersville, Pennsylvania]], at 3:15 UTC. Lunar north is near left.

Image:Image-February 21, 2008 lunar eclipse and stars, West Hartford, CT, 3-17 UTC.jpg|Eclipse observed from [[West Hartford, Connecticut]], at 3:17 UTC. Lunar north is near top-left.

Image:February 21, 2008 lunar eclipse, West Hartford, CT, 3-18 UTC.jpg|Eclipse observed from [[West Hartford, Connecticut]], at 3:18 UTC. Lunar north is near top-left.

Image:Lunar eclipse 20 Feb 2008 totality 2.JPG|Eclipse observed from Philadelphia, Pennsylvania at 3:36 UTC. Lunar north is top-left.

Image:Eric_Kilby_-_1052_PM_-_totality_ends_(by-sa).jpg|Eclipse observed from [[Wellesley, Massachusetts]], at 3:52 UTC

Image:Lunar_Eclipse_Feb_20_2008_By_Andrew_Mussey2.jpg|Eclipse observed from [[Fredericksburg, Virginia]], at 3:57 UTC.
</gallery>

=== South America ===

<gallery widths="140px" heights="100px" style="margin:2px auto;" perrow="2">
<!-- Deleted image removed: Image:File_200722210241.jpg|Eclipse observed from [[Pichilemu]], Chile. Image taken at 2:23 UTC. -->

Image:Lunar_Eclipse_feb2008_in_Sao_Joaquim_-_Brazil.jpg|Eclipse observed from [[São Joaquim]], Brazil at 3:52 UTC.
</gallery>

=== Europe and Africa ===

<gallery widths="140px" heights="100px" style="margin:2px auto;" perrow="3">
Image:2008-02-21 Lunar Eclipse Rostock Germany.jpg|Eclipse observed from [[Rostock, Germany]], at 1:50 UTC. Lunar north is near top.

Image:Lunareclipse21022008.jpg|Eclipse observed from [[Sasolburg]], South Africa - around 2:55 UTC. Lunar north is right.

Image:Moon_eclipse,Praga,21.2.2008.png|Eclipse observed from [[Prague, Czech Republic]] at 3:41 UTC
</gallery>

==See also==
* [[List of lunar eclipses in the 21st century]]
* [[Lists of lunar eclipses]]
* [[Solar eclipse]]
* [[:File:2008-02-21 Lunar Eclipse Sketch.gif]] Chart

==Notes==
{{Reflist}}

==External links==
{{Commons category|Lunar eclipse of 2008 February 21}}
* [https://web.archive.org/web/20080221075120/http://sunearth.gsfc.nasa.gov/eclipse/LEmono/TLE2008Feb21/TLE2008Feb21.html NASA: Total Lunar Eclipse: February 20, 2008]
** [http://eclipse.gsfc.nasa.gov/LEsaros/LEsaros133.html NASA Saros series 133]
** {{LEplot2001 link|2008|Feb|21|T}}
* [http://www.hermit.org/Eclipse/2008-02-21 Hermit eclipse (Ian Cameron Smith) Total Lunar Eclipse: February 21, 2008]
* Photos
** [http://www.astronet.nl/maaneclips2008/leclips2008.html Astronet: Information and live webcasts of the February 20-21 total lunar eclipse from the Netherlands, Belgium, Germany, Spain and Argentina]
** NASA Astronomy Picture of the Day: [http://apod.nasa.gov/apod/ap080220.html February 20, 2008], [http://apod.nasa.gov/apod/ap080222.html February 22, 2008] [http://apod.nasa.gov/apod/ap080301.html March 1, 2008]
** [https://archive.today/20070527164418/http://www.skyandtelescope.com/observing/home/12886312.html Sky&Telescope, Eclipses of 2008]
** [http://www.1nikon.com/public/lunar_eclipse_feb_20_08/index.html Example Images from Dr. Eric S. Ackerman - Fort Lauderdale, Florida] {{Webarchive|url=https://web.archive.org/web/20080226020518/http://www.1nikon.com/public/lunar_eclipse_feb_20_08/index.html |date=26 February 2008 }}
** [http://www.astronight.com/022008/index.htm Various Animations of the Eclipse Astronight Observatory - Billerica MA]
** [http://www.spaceweather.com/eclipses/gallery_20feb08.htm SpaceWeather Lunar Eclipse Photo Gallery: February 20, 2008]
** [https://www.youtube.com/watch?v=IVkkCVh5t0E Philadelphia, PA: A timelapse of the total lunar eclipse on February 20th, 2008. Recorded with still images.]
** [http://www.wunderground.com/wximage/viewsingleimage.html?mode=singleimage&handle=Monarch&number=84 Feature No Longer Available | Weather Underground] [https://web.archive.org/web/20110718122644/http://icons-pe.wunderground.com/data/wximagenew/m/Monarch/84.jpg]
{{Lunar eclipses}}

{{DEFAULTSORT:Lunar eclipse 2008-02}}
[[Category:21st-century lunar eclipses|2008-02]]
[[Category:2008 in science]]
[[Category:February 2008 events]]
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