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Solar eclipse of July 22, 2009

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Total eclipse
Solar eclipse of July 22, 2009
Total eclipse
Totality fromKurigram District, Bangladesh
Map
Gamma0.0698
Magnitude1.0799
Maximum eclipse
Duration399 s (6 min 39 s)
Coordinates24°12′N144°06′E / 24.2°N 144.1°E /24.2; 144.1
Max. width of band258 km (160 mi)
Times (UTC)
(P1) Partial begin23:58:18
(U1) Total begin0:51:16
Greatest eclipse2:36:25
(U4) Total end4:19:26
(P4) Partial end5:12:25
References
Saros136 (37 of 71)
Catalog # (SE5000)9528

A totalsolar eclipse occurred at the Moon'sdescending node of orbit on Wednesday, July 22, 2009,[1][2][3][4] with amagnitude of 1.07991. Asolar eclipse occurs when theMoon passes betweenEarth and theSun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon'sapparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. Occurring about 5.5 hours afterperigee (on July 21, 2009, at 21:10 UTC), the Moon's apparent diameter was larger.[5]

This was the longest total solar eclipse during the 21st century, with totality lasting a maximum of 6 minutes and 38.86 seconds off the coast of Southeast Asia,[6] causing tourist interest ineastern China,Pakistan,Japan,India,Nepal andBangladesh.

Visibility

[edit]
View from a boat inGanges

The total eclipse was visible from a narrow corridor through northernIndia, easternNepal, northernBangladesh,Bhutan, the northern tip ofMyanmar,central China and thePacific Ocean, including the northern part of theRyukyu Islands, the wholeVolcano Islands exceptSouth Iwo Jima,Marshall Islands, andKiribati.

Totality was visible in many large cities, includingDhaka andDinajpur, andChapai Nawabganj district in Bangladesh;Surat,Vadodara,Bhopal,Varanasi,Patna,Gaya,Siliguri,Tawang andGuwahati in India; andChengdu,Nanchong,Chongqing,Yichang,Jingzhou,Wuhan,Huanggang,Hefei,Hangzhou,Wuxi,Huzhou,Suzhou,Jiaxing,Ningbo,Shanghai as well as over theThree Gorges Dam in China. However, in Shanghai, the largest city in the eclipse's path, the view was obscured by heavy clouds.[7][8] According to NASA, the Japanese islandKitaio Jima was predicted to have the best viewing conditions[9][10] featuring both longer viewing time (being the closest point of land to the point of greatest eclipse) and lower cloud cover statistics than all of continental Asia.

Most of the path of totality was west of the 180th meridian, with onlyNikumaroro in Kiribati east of it. However, time zone of thePhoenix Islands including Nikumaroro was changed fromUTC−11 toUTC+13 in 1995, so total eclipse visible from land was completely on July 22.

A partial eclipse was seen within the broad path of the Moon'spenumbra, including most ofSoutheast Asia (all of Pakistan, India and China),East Asia, northernOceania, andHawaii. Most of these areas are west of the 180th meridian, seeing the eclipse on July 22, while a part of islands in the Pacific are east of the 180th meridian, seeing the eclipse on July 21.

The eclipse, and the reaction of thousands of observers at Varanasi was captured by theScience ChannelWonders of the Universe series hosted byBrian Cox.[11]

This eclipse may be the most-viewed total solar eclipse in history, with 30 million people in Shanghai and Hangzhou alone.[12]

Observations

[edit]
Crowds gather on the ghats ofGanges for the eclipse inVaranasi, India.

Thousands of pilgrims gathered on the banks of theGanges River inVaranasi, India to experience the eclipse as a religious or spiritual event. Some people expected that there would be a relationship, either positive or negative, between their health and the occurrence of the eclipse.[13]

Indian scientists observed the solar eclipse from anIndian Air Force plane.[14]

TheChinese government used the opportunity to providescientific education and to dispel any superstition. A flight byChina Eastern Airlines from Wuhan to Shanghai took a slight detour and followed the course of the eclipse to allow longer observation time for the scientists on board.

Observers in Japan were excited by the prospect of experiencing the first eclipse in 46 years, but found the experience dampened by cloudy skies obscuring the view.

In Bangladesh, where the eclipse lasted approximately 3 minutes and 44 seconds, thousands of people were able to witness the eclipse despite rain and overcast skies.

Duration

[edit]
These identically scaled photos compare theapparent diameter of the full moon (near apogee) to the nearly new moon (visible byearthshine) on the day before the solar eclipse near lunar perigee.

This solar eclipse was the longest total solar eclipse to occur in the 21st century, and will not be surpassed in duration until13 June 2132 (Saros 139, ascending node) which will last for 6 minutes and 55 seconds. Totality lasted for up to 6 minutes and 38.86 seconds (0.14 seconds shorter than 6 minutes and 39 seconds), with the maximum eclipse occurring in the ocean at 02:35:21UTC about 100 km south of theBonin Islands, southeast ofJapan. The uninhabitedNorth Iwo Jima island was the landmass with totality time closest to maximum, while the closest inhabited point wasAkusekijima, where the eclipse lasted 6 minutes and 26 seconds.[15]

The cruise shipCosta Classica was chartered specifically to view this eclipse and by viewing the eclipse at the point of maximum duration and cruising along the centerline during the event, duration was extended to 6 minutes, 42 seconds.

The eclipse was part ofSaros series 136, descending node, as was thesolar eclipse of July 11, 1991, which was slightly longer, lasting up to 6 minutes 53.08 seconds (previous eclipses of the same saros series on June 30, 1973, and June 20, 1955, were longer, lasting 7 min 03.55 and 7 min 07.74, respectively). The next event from this series will be on August 2, 2027 (6 minutes and 22.64 seconds).[16] The exceptional duration was a result of theMoon being nearperigee, with the apparent diameter of the Moon 7.991% larger than theSun (magnitude 1.07991) and the Earth being nearaphelion[17] where the Sun appeared slightly smaller.

In contrast theannularsolar eclipse of January 26, 2009 (Saros 131, ascending node) occurred 3.3 days after lunarapogee and 7.175% smaller apparent diameter to the Sun. And the nextsolar eclipse of January 15, 2010 (Saros 141, ascending node) was also annular, 1.8 days before lunar apogee, with the Moon 8.097% smaller than the Sun.

Eclipse timing

[edit]

Places experiencing total eclipse

[edit]
Solar eclipse of July 22, 2009
(local times)
Country or territoryCity or placeStart of partial eclipseStart of total eclipseMaximum eclipseEnd of total eclipseEnd of partial eclipseDuration of totality (min:s)Duration of eclipse (hr:min)Maximum magnitude
 IndiaSurat06:08:26 (sunrise)06:21:1706:22:5406:24:3207:19:493:151:111.0306
 IndiaVadodara06:04:56 (sunrise)06:22:4506:23:2006:23:5507:20:241:101:151.0025
 IndiaIndore05:53:29 (sunrise)06:21:5606:23:2806:25:0107:21:473:051:281.0194
 IndiaBhopal05:46:24 (sunrise)06:22:1306:23:4706:25:2207:22:493:091:361.0196
 IndiaJabalpur05:36:24 (sunrise)06:22:3206:24:0206:25:3307:24:193:011:481.0154
 IndiaDamoh05:34:53 (sunrise)06:23:2106:24:3506:25:5007:24:442:291:501.0097
 IndiaVaranasi05:30:0406:24:1306:25:4406:27:1407:27:323:011:571.0143
 IndiaPatna05:29:5806:24:3906:26:3106:28:2307:29:283:442:001.027
 NepalBiratnagar05:45:1806:40:5806:42:4606:44:3507:46:513:372:021.0208
 NepalDharan05:45:3006:41:3906:42:5806:44:1807:47:002:392:021.0093
 BangladeshSaidpur06:59:5807:56:4207:58:0907:59:3609:03:122:542:031.0107
 IndiaJalpaiguri05:30:1306:26:1506:28:1306:30:1307:33:003:582:031.0317
 IndiaSiliguri05:30:2606:26:3206:28:2506:30:1807:33:083:462:031.0236
 BhutanPhuntsholing06:00:3306:57:0006:58:5707:00:5608:04:133:562:041.0274
 BhutanParo06:00:5206:57:5506:59:1707:00:4008:04:302:452:041.0095
 BhutanThimphu06:00:5406:57:5906:59:2507:00:5208:04:452:532:041.0106
 IndiaNalbari05:30:3006:28:2506:29:5106:31:1807:36:222:532:061.01
 BhutanSamdrup Jongkhar06:00:4506:58:1907:00:1407:02:1008:06:523:512:061.0218
 ChinaLeshan08:06:1509:09:3409:11:5509:14:1710:25:384:432:191.0286
 ChinaChengdu08:07:0609:11:1009:12:4609:14:2410:26:203:142:191.0096
 ChinaChongqing08:07:5809:13:1309:15:1609:17:1910:30:454:062:231.0157
 ChinaWuhan08:14:5409:23:5809:26:4009:29:2310:46:145:252:311.0315
 ChinaHefei08:18:3909:30:5109:31:4609:32:4110:52:031:502:331.0024
 ChinaWuhu08:19:3809:31:0909:33:3709:36:0510:54:414:562:351.0192
 ChinaChangzhou08:21:4509:35:3809:36:2809:37:1810:57:521:402:361.0019
 ChinaHangzhou08:21:2409:34:0909:36:5109:39:3310:59:155:242:381.0236
 ChinaSuzhou08:22:2109:35:1309:37:4009:40:0710:59:374:542:371.0177
 ChinaShaoxing08:21:5209:35:2209:37:4009:39:5911:00:234:372:391.0147
 ChinaShanghai08:23:2609:36:4609:39:1709:41:4811:01:355:022:381.0188
 ChinaNingbo08:23:0709:37:2109:39:3309:41:4611:02:414:252:401.0129
References:[1]

Places experiencing partial eclipse

[edit]
Solar eclipse of July 22, 2009
(local times)
Country or territoryCity or placeStart of partial eclipseMaximum eclipseEnd of partial eclipseDuration of eclipse (hr:min)Maximum coverage
 IndiaNew Delhi05:36:56 (sunrise)06:26:3507:24:341:4883.00%
 PakistanKarachi06:54:55 (sunrise)06:57:2707:49:070:5482.45%
 NepalKathmandu05:46:1106:42:4407:45:301:5996.57%
 BangladeshDhaka06:59:1807:57:5709:03:472:0492.75%
 PakistanLahore06:12:25 (sunrise)06:58:2007:53:281:4168.03%
 MyanmarYangon06:31:3707:29:4708:35:382:0458.22%
 PakistanIslamabad06:12:41 (sunrise)06:59:4807:53:011:4058.77%
 MyanmarNaypyidaw06:30:3807:30:2808:38:132:0870.28%
 ChinaLhasa08:02:2909:01:3010:07:152:0595.49%
 VietnamHanoi07:06:3008:11:4909:26:032:2067.60%
 Hong KongHong Kong08:14:3109:25:4710:45:562:3169.80%
 ChinaBeijing08:25:1209:32:1710:44:292:1967.49%
 TaiwanTaipei08:23:1709:40:2911:05:002:4282.53%
 North KoreaPyongyang09:34:4110:46:1312:01:352:2768.96%
 South KoreaSeoul09:34:5510:48:2612:05:442:3174.45%
 JapanTokyo09:55:2611:12:4812:30:072:3569.84%
 Northern Mariana IslandsSaipan11:24:3812:53:0514:15:042:5077.13%
 GuamHagåtña11:25:4912:53:3114:14:532:4968.57%
 United States Minor Outlying IslandsWake Island14:08:4315:24:3216:32:262:2470.01%
 Federated States of MicronesiaPalikir13:09:1314:31:5415:44:542:3680.85%
 Marshall IslandsMajuro14:34:1015:48:5816:54:562:2196.47%
 NauruYaren14:39:0515:54:0417:00:072:2179.04%
 KiribatiTarawa14:44:5115:57:4417:02:012:1799.78%
 United States Minor Outlying IslandsBaker Island[a]15:00:2216:06:0917:04:522:0591.24%
 TuvaluFunafuti15:05:3216:11:2417:10:142:0580.31%
 Cook IslandsRarotonga[a]17:26:0018:13:5918:16:24 (sunset)0:5066.75%
 TokelauFakaofo16:13:4017:15:3018:11:161:5896.40%
 SamoaApia16:17:1917:17:3818:12:151:5978.70%
 American SamoaPago Pago[a]16:18:1217:18:0118:11:22 (sunset)1:5378.96%
 NiueAlofi[a]16:22:5417:19:3618:00:36 (sunset)1:3862.14%
References:[1]

Gallery

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Totality

[edit]

Partial

[edit]

View from space

[edit]
Animation of eclipse path

The Terrain Mapping Camera in theChandrayaan-1 lunar mission was used to image the Earth during the eclipse.[18]

It was also observed by the Japanese geostationary satelliteMTSAT:[19]


12:30 UT (pre-eclipse)
1:30 UT
Close up at 1:30 UT

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.[20]

July 22, 2009 solar eclipse times
EventTime (UTC)
First penumbral external contact2009 July 21 at 23:59:22.1 UTC
First umbral external contact2009 July 22 at 00:52:20.3 UTC
First central line2009 July 22 at 00:53:57.4 UTC
First umbral internal contact2009 July 22 at 00:55:34.5 UTC
First penumbral internal contact2009 July 22 at 01:48:45.6 UTC
Greatest duration2009 July 22 at 02:30:22.6 UTC
Equatorial conjunction2009 July 22 at 02:34:07.5 UTC
Ecliptic conjunction2009 July 22 at 02:35:42.1 UTC
Greatest eclipse2009 July 22 at 02:36:24.6 UTC
Last penumbral internal contact2009 July 22 at 03:24:06.5 UTC
Last umbral internal contact2009 July 22 at 04:17:16.6 UTC
Last central line2009 July 22 at 04:18:53.3 UTC
Last umbral external contact2009 July 22 at 04:20:30.0 UTC
Last penumbral external contact2009 July 22 at 05:13:28.7 UTC
July 22, 2009 solar eclipse parameters
ParameterValue
Eclipse magnitude1.07991
Eclipse obscuration1.16620
Gamma0.06977
Sun right ascension08h06m24.1s
Sun declination+20°16'03.0"
Sun semi-diameter15'44.5"
Sun equatorial horizontal parallax08.7"
Moon right ascension08h06m29.6s
Moon declination+20°20'07.0"
Moon semi-diameter16'42.7"
Moon equatorial horizontal parallax1°01'19.8"
ΔT65.9 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. The first and last eclipse in this sequence is separated by onesynodic month.[6][21][22]

Eclipse season of July–August 2009
July 7
Ascending node (full moon)
July 22
Descending node (new moon)
August 6
Ascending node (full moon)
Penumbral lunar eclipse
Lunar Saros 110		Total solar eclipse
Solar Saros 136		Penumbral lunar eclipse
Lunar Saros 148

Related eclipses

[edit]

Eclipses in 2009

[edit]

Metonic

[edit]

Tzolkinex

[edit]

Half-Saros

[edit]

Tritos

[edit]

Solar Saros 136

[edit]

Inex

[edit]

Triad

[edit]

Solar eclipses of 2008–2011

[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.[23]

The partial solar eclipses onJune 1, 2011 andNovember 25, 2011 occur in the next lunar year eclipse set.

Solar eclipse series sets from 2008 to 2011
Ascending node Descending node
SarosMapGammaSarosMapGamma
121

Partial inChristchurch,New Zealand		February 7, 2008

Annular		−0.95701126

Totality inKumul,Xinjiang,China		August 1, 2008

Total		0.83070
131

Annularity inPalangka Raya,Indonesia		January 26, 2009

Annular		−0.28197136

Totality inKurigram District,Bangladesh		July 22, 2009

Total		0.06977
141

Annularity inJinan,Shandong,China		January 15, 2010

Annular		0.40016146

Totality inHao,French Polynesia		July 11, 2010

Total		−0.67877
151

Partial inPoland		January 4, 2011

Partial		1.06265156July 1, 2011

Partial		−1.49171

Saros 136

[edit]

This eclipse is a part ofSaros series 136, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on June 14, 1360. It contains annular eclipses from September 8, 1504 through November 12, 1594; hybrid eclipses from November 22, 1612 through January 17, 1703; and total eclipses from January 27, 1721 through May 13, 2496. The series ends at member 71 as a partial eclipse on July 30, 2622. 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 was produced by member 9 at 32 seconds on September 8, 1504, and the longest duration of totality was produced by member 34 at 7 minutes, 7.74 seconds onJune 20, 1955. All eclipses in this series occur at the Moon’sdescending node of orbit.[24]

Series members 26–47 occur between 1801 and 2200:
262728

March 24, 1811
April 3, 1829
April 15, 1847
293031

April 25, 1865
May 6, 1883
May 18, 1901
323334

May 29, 1919
June 8, 1937
June 20, 1955
353637

June 30, 1973
July 11, 1991
July 22, 2009
383940

August 2, 2027
August 12, 2045
August 24, 2063
414243

September 3, 2081
September 14, 2099
September 26, 2117
444546

October 7, 2135
October 17, 2153
October 29, 2171
47

November 8, 2189

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 descending node.

21 eclipse events between July 22, 1971 and July 22, 2047
July 22May 9–11February 26–27December 14–15October 2–3
116118120122124

July 22, 1971
May 11, 1975
February 26, 1979
December 15, 1982
October 3, 1986
126128130132134

July 22, 1990
May 10, 1994
February 26, 1998
December 14, 2001
October 3, 2005
136138140142144

July 22, 2009
May 10, 2013
February 26, 2017
December 14, 2020
October 2, 2024
146148150152154

July 22, 2028
May 9, 2032
February 27, 2036
December 15, 2039
October 3, 2043
156

July 22, 2047

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

March 4, 1802
(Saros 117)
February 1, 1813
(Saros 118)
January 1, 1824
(Saros 119)
November 30, 1834
(Saros 120)
October 30, 1845
(Saros 121)

September 29, 1856
(Saros 122)
August 29, 1867
(Saros 123)
July 29, 1878
(Saros 124)
June 28, 1889
(Saros 125)
May 28, 1900
(Saros 126)

April 28, 1911
(Saros 127)
March 28, 1922
(Saros 128)
February 24, 1933
(Saros 129)
January 25, 1944
(Saros 130)
December 25, 1954
(Saros 131)

November 23, 1965
(Saros 132)
October 23, 1976
(Saros 133)
September 23, 1987
(Saros 134)
August 22, 1998
(Saros 135)
July 22, 2009
(Saros 136)

June 21, 2020
(Saros 137)
May 21, 2031
(Saros 138)
April 20, 2042
(Saros 139)
March 20, 2053
(Saros 140)
February 17, 2064
(Saros 141)

January 16, 2075
(Saros 142)
December 16, 2085
(Saros 143)
November 15, 2096
(Saros 144)
October 16, 2107
(Saros 145)
September 15, 2118
(Saros 146)

August 15, 2129
(Saros 147)
July 14, 2140
(Saros 148)
June 14, 2151
(Saros 149)
May 14, 2162
(Saros 150)
April 12, 2173
(Saros 151)

March 12, 2184
(Saros 152)
February 10, 2195
(Saros 153)

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

December 10, 1806
(Saros 129)
November 20, 1835
(Saros 130)
October 30, 1864
(Saros 131)

October 9, 1893
(Saros 132)
September 21, 1922
(Saros 133)
September 1, 1951
(Saros 134)

August 10, 1980
(Saros 135)
July 22, 2009
(Saros 136)
July 2, 2038
(Saros 137)

June 11, 2067
(Saros 138)
May 22, 2096
(Saros 139)
May 3, 2125
(Saros 140)

April 12, 2154
(Saros 141)
March 23, 2183
(Saros 142)

Notes

[edit]
  1. ^abcdThe times listed for this location occur on July 21, 2009, local time.

References

[edit]
  1. ^abc"July 22, 2009 Total Solar Eclipse". timeanddate. Retrieved11 August 2024.
  2. ^"Full solar eclipse turns the day to night in Asia".The Bismarck Tribune. 2009-07-23. p. 7. Retrieved2023-10-25 – via Newspapers.com.
  3. ^"Celestial awe, fear".Leader-Telegram. 2009-07-23. p. C10. Retrieved2023-10-25 – via Newspapers.com.
  4. ^"Asia shrouded in daytime darkness in longest eclipse until 2132".The Star-Democrat. 2009-07-23. p. 4. Retrieved2023-10-25 – via Newspapers.com.
  5. ^"Moon Distances for London, United Kingdom, England". timeanddate. Retrieved11 August 2024.
  6. ^ab(AFP) – 6 days ago."AFP: Solar eclipse sparks tourism fever in China". Archived fromthe original on July 27, 2009. Retrieved2009-07-22.{{cite web}}: CS1 maint: numeric names: authors list (link)
  7. ^99.56% totality was observed in Kamat Maath, Binodpur, Chapai Nawabgan, the western part of Bangladesh.
    In Sichuan province, China, 150 km southwest of Chengdu many people ascendedMount Emei to view the eclipse. While viewing conditions were not ideal due to thick cloud cover, typical of this region and altitude, the effects were reported as impressive. The summit of Mount Emei contains numerous Buddhist temples and statues, as well as a large candle and incense lighting ceremony/area. During the eclipse day turned to night, leaving only the candles to cast a unique lighting on the adjacent Buddhist statues and buildings.
    "NASA – Total Solar Eclipse of 2009 July 22". NASA.gov. Retrieved2009-07-22.
  8. ^Weather conditions for cities in China during the July 22 eclipse(in Chinese)
  9. ^"NASA Map"(PDF).
  10. ^Espenak, Fred."Total Solar Eclipse of July 2009"(PDF).
  11. ^"The Solar Eclipse In Varanasi - Wonders of the Solar System - Series 1 Episode 1 Preview - BBC Two".YouTube.Archived from the original on 2021-12-13.
  12. ^"Solar Eclipse on July 22 May Be Most Viewed Ever".nationalgeographic.com. Archived fromthe original on July 23, 2009.
  13. ^"Indians enthralled by solar eclipse". Chinadaily.com.cn. 2009-07-22. Retrieved2009-07-22.
  14. ^"Khabrein.info". Khabrein.info. Archived from the original on July 28, 2009. Retrieved2009-07-22.
  15. ^"Island « Total Eclipse.Jp". Totaleclipse.jp. Archived fromthe original on 2009-04-18. Retrieved2009-07-22.
  16. ^"August 2, 2027 Total Solar Eclipse". Tierrayestrellas.com. Archived fromthe original on July 25, 2009. Retrieved2009-07-22.
  17. ^Nemiroff, R.; Bonnell, J., eds. (3 July 2009)."Perihelion and Aphelion".Astronomy Picture of the Day.NASA. Retrieved2009-07-22.
  18. ^"Chandrayaan-1". ISRO. Archived fromthe original on February 17, 2009. Retrieved2009-07-22.
  19. ^"Eclipse Shadows Southeastern China : Image of the Day".nasa.gov. 23 July 2009.
  20. ^"Total Solar Eclipse of 2009 Jul 22". EclipseWise.com. Retrieved11 August 2024.
  21. ^Wang, Hongjiang (2009-07-22)."Scientists: China the best place to observe longest solar eclipse in 2,000 years_English_Xinhua". News.xinhuanet.com. Archived fromthe original on 2009-05-21. Retrieved2009-07-22.
  22. ^"Indian students on solar eclipse 'odyssey' to China – Yahoo! India News". In.news.yahoo.com. Archived fromthe original on 2009-07-29. Retrieved2009-07-22.
  23. ^van Gent, R.H."Solar- and Lunar-Eclipse Predictions from Antiquity to the Present".A Catalogue of Eclipse Cycles. Utrecht University. Retrieved6 October 2018.
  24. ^"NASA - Catalog of Solar Eclipses of Saros 136".eclipse.gsfc.nasa.gov.

External links

[edit]
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