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Solar eclipse of June 10, 2021

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Annular solar eclipse

Solar eclipse of June 10, 2021
Annular eclipse
Partial fromHalifax, Canada
Map
Gamma0.9152
Magnitude0.9435
Maximum eclipse
Duration231 s (3 min 51 s)
Coordinates80°48′N66°48′W / 80.8°N 66.8°W /80.8; -66.8
Max. width of band527 km (327 mi)
Times (UTC)
Greatest eclipse10:43:07
References
Saros147 (23 of 80)
Catalog # (SE5000)9555

An annularsolar eclipse occurred at the Moon’sascending node of orbit on Thursday, June 10, 2021,[1][2][3][4] with amagnitude of 0.9435. Asolar eclipse occurs when theMoon passes betweenEarth and theSun, thereby totally or partly obscuring the Sun for a viewer on Earth. An annular solar eclipse occurs when the Moon'sapparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like anannulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. Occurring about 2.3 days afterapogee (on June 8, 2021, at 3:30 UTC), the Moon's apparent diameter was smaller.[5]

The annular eclipse was visible from parts of northeasternCanada (particularlyOntario andNunavut),Greenland, theArctic Ocean (passing over theNorth Pole),[6] and theRussian Far East. A partial eclipse was visible for parts of northernNorth America,Europe, andNorth Asia.[7]

Path

[edit]
Animated image showing the path of the eclipse shadows.

The annular eclipse started at 09:55UTC for 3 minutes 37 seconds along the northern shore ofLake Superior inOntario,Canada. The path of the antumbral shadow then headed acrossHudson Bay through northwesternQuebec and theHudson Strait toBaffin Island inNunavut, where the town ofIqaluit saw 3 minutes and 5 seconds of annularity. After this, it then travelled acrossBaffin Bay and along the northwestern coast ofGreenland, where the point of greatest eclipse occurred at 10:41 UTC inNares Strait for 3 minutes 51 seconds. The shadow then crossedEllesmere Island and theArctic Ocean, passing over theNorth Pole (which was located away from the central line of the eclipse but saw 2 minutes and 36 seconds of annularity), before heading south towards northeasternSiberia, where the city ofSrednekolymsk saw 3 minutes and 35 seconds of annularity at 11:27 UTC. Shortly afterwards, the central line of the annular eclipse ended at 11:29 UTC.[8][9]

Eclipse timing

[edit]

Places experiencing annular eclipse

[edit]
Solar Eclipse of June 10, 2021
(Local Times)
Country or territoryCity or placeStart of partial eclipseStart of annular eclipseMaximum eclipseEnd of annular eclipseEnd of partial eclipseDuration of annularity (min:s)Duration of eclipse (hr:min)Maximum coverage
 CanadaNipigon05:48:58 (sunrise)05:51:0605:52:5905:54:1706:50:173:111:0188.01%
 CanadaPickle Lake04:44:16 (sunrise)04:55:2704:57:0704:58:4605:54:553:191:1188.07%
 CanadaSanikiluaq05:00:3605:56:5105:58:4206:00:3207:00:093:412:0088.47%
 CanadaInukjuak05:02:3205:59:3006:01:2006:03:1007:03:303:402:0188.56%
 CanadaSalluit05:06:3906:05:0806:06:5506:08:4107:10:273:332:0488.72%
 CanadaIqaluit05:06:0606:06:3106:08:0306:09:3507:13:323:042:0788.89%
 CanadaKinngait05:10:0706:09:2206:10:4506:12:0807:14:302:462:0488.75%
 CanadaPangnirtung05:09:1306:10:5706:12:1506:13:3207:18:432:352:1088.99%
 CanadaQikiqtarjuaq05:11:1406:13:4706:14:5206:15:5707:21:522:102:1189.05%
 CanadaClyde River05:17:3506:19:1006:21:0406:22:5807:27:263:482:1089.02%
 GreenlandSavissivik07:27:0308:30:1108:32:0508:34:0009:39:213:492:1289.14%
 GreenlandPituffik06:28:3307:31:2307:33:1507:35:0608:40:013:432:1189.11%
 GreenlandQaanaaq07:30:2208:33:2008:35:1008:37:0009:41:553:402:1289.11%
 CanadaAlert05:39:2706:43:4306:45:3206:47:2107:52:513:382:1389.19%
 RussiaChokurdakh21:26:4722:25:0122:26:4922:28:3723:25:193:361:5988.45%
 RussiaSrednekolymsk21:28:4522:25:2122:27:0822:28:5523:24:043:341:5588.27%
 RussiaBelaya Gora21:30:2122:28:2822:29:5422:31:2023:27:472:521:5788.39%
 RussiaZyryanka21:32:1022:28:3822:30:1722:31:5723:26:493:191:5588.22%
References:[1]

Places experiencing partial eclipse

[edit]
Solar Eclipse of June 10, 2021
(Local Times)
Country or territoryCity or placeStart of partial eclipseMaximum eclipseEnd of partial eclipseDuration of eclipse (hr:min)Maximum coverage
 BermudaHamilton06:11:49 (sunrise)06:16:1707:11:581:0051.35%
 United StatesNew York City05:24:33 (sunrise)05:32:4906:30:531:0672.55%
 Saint Pierre and MiquelonSaint-Pierre06:35:1407:34:2808:38:492:0467.08%
 CanadaMontreal05:05:27 (sunrise)05:39:1306:39:011:3478.90%
 CanadaToronto05:35:48 (sunrise)05:40:0106:37:591:0280.16%
 United StatesWashington, D.C.05:42:24 (sunrise)05:47:5106:29:150:4755.10%
 GreenlandNuuk07:02:3108:07:4809:17:192:1581.70%
 IrelandDublin10:01:1811:08:4312:21:402:2028.56%
 FranceParis11:12:4712:11:5713:15:232:0313.17%
 Isle of ManDouglas10:04:3111:12:3412:25:522:2128.62%
 United KingdomLondon10:08:4911:13:1812:22:342:1419.98%
 IcelandReykjavík09:06:1610:17:1011:32:412:2660.53%
 BelgiumBrussels11:17:0512:19:1613:25:242:0815.43%
 NetherlandsAmsterdam11:18:2212:22:5713:31:222:1318.04%
 Faroe IslandsTórshavn10:12:2011:24:5112:41:332:2945.94%
 NorwayOslo11:30:3512:42:5013:57:082:2730.98%
 SwedenStockholm11:41:5512:53:2114:05:252:2426.61%
 Svalbard and Jan MayenLongyearbyen11:46:2412:58:4414:11:142:2571.03%
 EstoniaTallinn12:52:5814:03:5415:14:092:2125.06%
 FinlandHelsinki12:52:4014:04:1715:15:082:2226.79%
 FinlandRovaniemi12:50:3914:05:1415:19:052:2842.35%
 RussiaPevek22:18:3723:16:1600:13:03[a]1:5485.59%
 RussiaMoscow13:22:2314:26:2615:27:352:0515.66%
 RussiaTiksi19:30:0120:32:3621:33:052:0385.00%
 RussiaVerkhoyansk20:36:0121:36:5022:35:281:5984.26%
 RussiaYakutsk19:46:0820:45:4121:42:401:5777.39%
 ChinaMohe19:03:4820:00:3820:14:01 (sunset)1:1060.72%
 ChinaHulunbuir19:11:2920:00:5820:05:03 (sunset)0:5451.05%
 RussiaIrkutsk19:11:5520:09:5221:04:031:5245.22%
 MongoliaUlaanbaatar19:20:0920:14:5420:50:25 (sunset)1:3039.76%
References:[1]

Gallery

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Eclipse details

[edit]

Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the Moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.[10]

June 10, 2021 Solar Eclipse Times
EventTime (UTC)
First Penumbral External Contact2021 June 10 at 08:13:30.6 UTC
First Umbral External Contact2021 June 10 at 09:50:58.1 UTC
First Central Line2021 June 10 at 09:56:08.7 UTC
First Umbral Internal Contact2021 June 10 at 10:01:51.4 UTC
Greatest Eclipse2021 June 10 at 10:43:06.7 UTC
Greatest Duration2021 June 10 at 10:43:07.8 UTC
Ecliptic Conjunction2021 June 10 at 10:53:48.1 UTC
Equatorial Conjunction2021 June 10 at 11:02:14.3 UTC
Last Umbral Internal Contact2021 June 10 at 11:24:10.3 UTC
Last Central Line2021 June 10 at 11:29:51.9 UTC
Last Umbral External Contact2021 June 10 at 11:35:01.3 UTC
Last Penumbral External Contact2021 June 10 at 13:12:31.9 UTC
June 10, 2021 Solar Eclipse Parameters
ParameterValue
Eclipse Magnitude0.94350
Eclipse Obscuration0.89019
Gamma0.91516
Sun Right Ascension05h15m31.4s
Sun Declination+23°02'37.1"
Sun Semi-Diameter15'45.2"
Sun Equatorial Horizontal Parallax08.7"
Moon Right Ascension05h14m53.6s
Moon Declination+23°51'21.6"
Moon Semi-Diameter14'46.8"
Moon Equatorial Horizontal Parallax0°54'14.5"
ΔT70.4 s

Eclipse season

[edit]
See also:Eclipse cycle

This eclipse is part of aneclipse 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 afortnight.

Eclipse season of May–June 2021
May 26
Descending node (full moon)
June 10
Ascending node (new moon)
Total lunar eclipse
Lunar Saros 121		Annular solar eclipse
Solar Saros 147

Related eclipses

[edit]

Eclipses in 2021

[edit]

Metonic

[edit]

Tzolkinex

[edit]

Half-Saros

[edit]

Tritos

[edit]

Solar Saros 147

[edit]

Inex

[edit]

Triad

[edit]

Solar eclipses of 2018–2021

[edit]

This eclipse is a member of asemester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternatingnodes of the Moon's orbit.[11]

The partial solar eclipses onFebruary 15, 2018 andAugust 11, 2018 occur in the previous lunar year eclipse set.

Solar eclipse series sets from 2018 to 2021
Ascending node Descending node
SarosMapGammaSarosMapGamma
117

Partial inMelbourne,Australia		July 13, 2018

Partial		−1.35423122

Partial inNakhodka,Russia		January 6, 2019

Partial		1.14174
127

Totality inLa Serena,Chile		July 2, 2019

Total		−0.64656132

Annularity inJaffna,Sri Lanka		December 26, 2019

Annular		0.41351
137

Annularity inBeigang, Yunlin,Taiwan		June 21, 2020

Annular		0.12090142

Totality inGorbea,Chile		December 14, 2020

Total		−0.29394
147

Partial inHalifax, Canada		June 10, 2021

Annular		0.91516152

From HMS Protector offSouth Georgia		December 4, 2021

Total		−0.95261

Saros 147

[edit]

This eclipse is a part ofSaros series 147, repeating every 18 years, 11 days, and containing 80 events. The series started with a partial solar eclipse on October 12, 1624. It contains annular eclipses fromMay 31, 2003 through July 31, 2706. There are no hybrid or total eclipses in this set. The series ends at member 80 as a partial eclipse on February 24, 3049. Its eclipses are tabulated in three columns; every third eclipse in the same column is oneexeligmos apart, so they all cast shadows over approximately the same parts of the Earth.

The longest duration of annularity will be produced by member 38 at 9 minutes, 41 seconds on November 21, 2291. All eclipses in this series occur at the Moon’sascending node of orbit.[12]

Series members 11–32 occur between 1801 and 2200:
111213

January 30, 1805
February 11, 1823
February 21, 1841
141516

March 4, 1859
March 15, 1877
March 26, 1895
171819

April 6, 1913
April 18, 1931
April 28, 1949
202122

May 9, 1967
May 19, 1985
May 31, 2003
232425

June 10, 2021
June 21, 2039
July 1, 2057
262728

July 13, 2075
July 23, 2093
August 4, 2111
293031

August 15, 2129
August 26, 2147
September 5, 2165
32

September 16, 2183

Metonic series

[edit]

Themetonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days). All eclipses in this table occur at the Moon's ascending node.

20 eclipse events between June 10, 1964 and August 21, 2036
June 10–11March 28–29January 14–16November 3August 21–22
117119121123125

June 10, 1964
March 28, 1968
January 16, 1972
November 3, 1975
August 22, 1979
127129131133135

June 11, 1983
March 29, 1987
January 15, 1991
November 3, 1994
August 22, 1998
137139141143145

June 10, 2002
March 29, 2006
January 15, 2010
November 3, 2013
August 21, 2017
147149151153155

June 10, 2021
March 29, 2025
January 14, 2029
November 3, 2032
August 21, 2036

Tritos series

[edit]

This eclipse is a part of atritos cycle, repeating at alternating nodes every 135synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with theanomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.

Series members between 1801 and 2200

February 21, 1803
(Saros 127)
January 21, 1814
(Saros 128)
December 20, 1824
(Saros 129)
November 20, 1835
(Saros 130)
October 20, 1846
(Saros 131)

September 18, 1857
(Saros 132)
August 18, 1868
(Saros 133)
July 19, 1879
(Saros 134)
June 17, 1890
(Saros 135)
May 18, 1901
(Saros 136)

April 17, 1912
(Saros 137)
March 17, 1923
(Saros 138)
February 14, 1934
(Saros 139)
January 14, 1945
(Saros 140)
December 14, 1955
(Saros 141)

November 12, 1966
(Saros 142)
October 12, 1977
(Saros 143)
September 11, 1988
(Saros 144)
August 11, 1999
(Saros 145)
July 11, 2010
(Saros 146)

June 10, 2021
(Saros 147)
May 9, 2032
(Saros 148)
April 9, 2043
(Saros 149)
March 9, 2054
(Saros 150)
February 5, 2065
(Saros 151)

January 6, 2076
(Saros 152)
December 6, 2086
(Saros 153)
November 4, 2097
(Saros 154)
October 5, 2108
(Saros 155)
September 5, 2119
(Saros 156)

August 4, 2130
(Saros 157)
July 3, 2141
(Saros 158)
June 3, 2152
(Saros 159)
April 1, 2174
(Saros 161)

Inex series

[edit]

This eclipse is a part of the long periodinex cycle, repeating at alternating nodes, every 358synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with theanomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.

Series members between 1801 and 2200

October 29, 1818
(Saros 140)
October 9, 1847
(Saros 141)
September 17, 1876
(Saros 142)

August 30, 1905
(Saros 143)
August 10, 1934
(Saros 144)
July 20, 1963
(Saros 145)

June 30, 1992
(Saros 146)
June 10, 2021
(Saros 147)
May 20, 2050
(Saros 148)

May 1, 2079
(Saros 149)
April 11, 2108
(Saros 150)
March 21, 2137
(Saros 151)

March 2, 2166
(Saros 152)
February 10, 2195
(Saros 153)

Notes

[edit]
  1. ^The time listed here for this location occurs on June 11, 2021, local time.

References

[edit]
  1. ^abc"June 10, 2021 Annular Solar Eclipse". timeanddate. RetrievedAugust 13, 2024.
  2. ^"Spectacular Photos of Thursday's Solar Eclipse".The Weather Channel.
  3. ^"Highlights From the 'Ring of Fire' Solar Eclipse at Sunrise". June 10, 2021 – via NYTimes.com.
  4. ^Guenot, Marianne."Stunning images show the rare solar eclipse that just partially obscured the sun across the Northern Hemisphere".Business Insider.
  5. ^"Moon Distances for London, United Kingdom, England". timeanddate. RetrievedAugust 13, 2024.
  6. ^JavaScript Solar Eclipse Explorer - Europe (Latitude: 90° 00' 00" N. Longitude: 0° 00' 00" W).NASA
  7. ^"NASA - Annular Solar Eclipse of 2021 June 10".eclipse.gsfc.nasa.gov. RetrievedJune 10, 2021.
  8. ^"EclipseWise - Eclipses During 2021".www.eclipsewise.com. RetrievedJune 10, 2021.
  9. ^"Кольцеобразное солнечное затмение 10 июня 2021 года | Календарь наблюдателя | Meteoweb.ru".meteoweb.ru. RetrievedJune 10, 2021.
  10. ^"Annular Solar Eclipse of 2021 Jun 10". EclipseWise.com. RetrievedAugust 13, 2024.
  11. ^van Gent, R.H."Solar- and Lunar-Eclipse Predictions from Antiquity to the Present".A Catalogue of Eclipse Cycles. Utrecht University. RetrievedOctober 6, 2018.
  12. ^"NASA - Catalog of Solar Eclipses of Saros 147".eclipse.gsfc.nasa.gov.

External links

[edit]
Wikimedia Commons has media related toSolar eclipse of 2021 June 10.
Features
Lists of eclipses
By era
Saros series (list)
Visibility
Historical
21 August 2017 total solar eclipse
Total/hybrid eclipses
→ next total/hybrid
10 May 2013 annular eclipse
Annular eclipses
→ next annular
23 October 2014 partial eclipse
Partial eclipses
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