Solar eclipse of July 2, 2019
Totality viewed from La Serena, Chile
Map
Type of eclipse
NatureTotal
Gamma−0.6466
Magnitude1.0459
Maximum eclipse
Duration273 sec (4 m 33 s)
Coordinates17°24′S 109°00′W / 17.4°S 109°W / -17.4; -109
Max. width of band201 km (125 mi)
Times (UTC)
Greatest eclipse19:24:08
References
Saros127 (58 of 82)
Catalog # (SE5000)9551

A total solar eclipse occurred at the ascending node of the Moon's orbit on Tuesday, July 2, 2019,[1][2][3][4] with an eclipse magnitude of 1.0459. Totality was visible from the southern Pacific Ocean east of New Zealand to the Coquimbo Region in Chile and Central Argentina at sunset, with the maximum of 4 minutes 33 seconds visible from the Pacific Ocean. The Moon was only 2.4 days before perigee (Perigee on July 5, 2019), making it fairly large.

Another solar eclipse occurred one lunar year after this eclipse, on June 21, 2020. A total solar eclipse crossed this region of the Earth on December 14, 2020.

Images

Animated path
Geostationary satellite view of the eclipse by NOAA's GOES East. Hurricane Barbara can also be seen in the northern hemisphere.

Visibility

A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon's apparent 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.

Following the North American solar eclipse of August 21, 2017, Astronomers Without Borders collected eclipse glasses for redistribution to Latin America and Asia for the 2019 eclipses.[5]

Totality travelled over areas with low levels of humidity and light pollution, allowing for very good observations. Several major observatories experienced totality, including the European Southern Observatory.[6][7]

Oeno Island

The first land surface and the only Pacific island from which totality was visible is Oeno Island, an uninhabited atoll in the Pitcairn Islands.[7]

Chile

Totality was visible in a large portion of Coquimbo Region and small parts of Atacama Region. Cities in the path included La Serena and La Higuera. Approximately 300,000 people visited La Serena to view the event.[6] Tickets to view the eclipse from the European Southern Observatory were sold for US$2000 each.[7]

Argentina

Totality was visible in the provinces of San Juan, La Rioja, San Luis, Córdoba, Santa Fe, and Buenos Aires. Cities in the path included San Juan and Río Cuarto.[7] The path of totality finished at the Samborombon Bay, where the eclipsed sunset was observed from San Clemente del Tuyu.

Eclipses of 2019

Tzolkinex

Half-Saros cycle

Tritos

Solar Saros 127

Inex

Triad

Solar eclipses of 2018–2021

This eclipse is a member of a semester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[8]

Note: Partial solar eclipses on February 15, 2018, and August 11, 2018, occurred during the previous semester series.

Solar eclipse series sets from 2018–2021
Ascending node   Descending node
Saros Map Gamma Saros Map Gamma
117

Partial from Melbourne, Australia		 2018 July 13

Partial		 −1.35423 122

Partial from Nakhodka, Russia		 2019 January 6

Partial		 1.14174
127

La Serena, Chile		 2019 July 2

Total		 −0.64656 132

Jaffna, Sri Lanka		 2019 December 26

Annular		 0.41351
137

Beigang, Yunlin, Taiwan		 2020 June 21

Annular		 0.12090 142

Gorbea, Chile		 2020 December 14

Total		 −0.29394
147

Partial from Halifax, Canada		 2021 June 10

Annular		 0.91516 152

From HMS Protector off South Georgia		 2021 December 4

Total		 −0.95261

Saros 127

It is a part of Saros cycle 127, repeating every 18 years, 11 days, containing 82 events. The series started with partial solar eclipse on October 10, 991 AD. It contains total eclipses from May 14, 1352 through August 15, 2091. There are no annular eclipses in this series. The series ends at member 82 as a partial eclipse on March 21, 2452. The longest duration of totality was 5 minutes, 40 seconds on August 30, 1532. All eclipses in this series occurs at the Moon’s ascending node.[9]

Series members 52–68 occur between 1901 and 2200
52 53 54

April 28, 1911
May 9, 1929
May 20, 1947
55 56 57

May 30, 1965
June 11, 1983
June 21, 2001
58 59 60

July 2, 2019
July 13, 2037
July 24, 2055
61 62 63

August 3, 2073
August 15, 2091		 August 26, 2109 (Partial)
64 65 66
September 6, 2127 (Partial September 16, 2145 (Partial) September 28, 2163 (Partial)
67 68
October 8, 2181 (Partial) October 19, 2199 (Partial)

Inex series

This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic 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.

In the 19th century:

  • Solar Saros 120: Total Solar Eclipse of 1816 Nov 19
  • Solar Saros 121: Hybrid Solar Eclipse of 1845 Oct 30
  • Solar Saros 122: Annular Solar Eclipse of 1874 Oct 10

In the 22nd century:

  • Solar Saros 130: Total Solar Eclipse of 2106 May 3
  • Solar Saros 131: Annular Solar Eclipse of 2135 Apr 13
  • Solar Saros 132: Hybrid Solar Eclipse of 2164 Mar 23
  • Solar Saros 133: Total Solar Eclipse of 2193 Mar 03

Metonic series

The metonic 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.

21 eclipse events, progressing from south to north between July 1, 2000 and July 1, 2076
July 1–2 April 19–20 February 5–7 November 24–25 September 12–13
117 119 121 123 125

July 1, 2000
April 19, 2004
February 7, 2008
November 25, 2011
September 13, 2015
127 129 131 133 135

July 2, 2019
April 20, 2023
February 6, 2027
November 25, 2030
September 12, 2034
137 139 141 143 145

July 2, 2038
April 20, 2042
February 5, 2046
November 25, 2049
September 12, 2053
147 149 151 153 155

July 1, 2057
April 20, 2061
February 5, 2065
November 24, 2068
September 12, 2072
157 159 161 163 165

July 1, 2076

References

  1. ↑ "Chileans, Argentines see total solar eclipse". Albany Democrat-Herald. 2019-07-03. p. B7. Retrieved 2023-10-27 – via Newspapers.com.
  2. ↑ McFall-Johnsen, Morgan. "A NASA satellite caught yesterday's solar eclipse and a Category 4 hurricane at the same time — here's the video". Business Insider.
  3. ↑ Waters, Michael. "Photos Capture the Great South American Eclipse". Smithsonian Magazine.
  4. ↑ Strickland, Ashley; Picheta, Rob (July 2, 2019). "Stunning photos of the solar eclipse over South America". CNN.
  5. ↑ Cooper, Gael (2017-08-22). "Wait! Dig those eclipse glasses out of the garbage Here comes the sun. Astronomers Without Borders will be collecting the protective eyewear for use in future eclipses worldwide". Retrieved 2017-08-27.
  6. 1 2 "Total solar eclipse: thousands in Chile and Argentina marvel at 'something supreme'". The Guardian. 2019-07-02. ISSN 0261-3077. Retrieved 2019-07-02.
  7. 1 2 3 4 "Total solar eclipse hits South America". BBC News. 2019-07-02. Retrieved 2019-07-02.
  8. ↑ van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.
  9. ↑ "Solar Saros series 127". NASA Goddard Space Flight Center. NASA. Retrieved 2 November 2017.

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