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Solar eclipse of May 1, 2079

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Solar eclipse of May 1, 2079
Map
Type of eclipse
NatureTotal
Gamma0.9081
Magnitude1.0512
Maximum eclipse
Duration175 s (2 min 55 s)
Coordinates66°12′N 46°18′W / 66.2°N 46.3°W / 66.2; -46.3
Max. width of band406 km (252 mi)
Times (UTC)
Greatest eclipse10:50:13
References
Saros149 (24 of 71)
Catalog # (SE5000)9685

A total solar eclipse will occur at the Moon's ascending node of orbit on Monday, May 1, 2079, with a magnitude of 1.0512. 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. The eclipse will be visible in Greenland, parts of eastern Canada (including Newfoundland and Labrador, New Brunswick, Nova Scotia and Prince Edward Island) and parts of the northeastern United States (including Maine, New Hampshire, Vermont, Connecticut, Rhode Island, Massachusetts, New York, Pennsylvania and New Jersey).

This will be the first total eclipse visible from New York City since January 24, 1925, and unlike the previous eclipse will experience totality across the entire city limits.

Visible cities[edit]

The path of totality will start in eastern Pennsylvania. A total eclipse will be visible along the path of Philadelphia, New York City, Hartford, Boston, and Portland, Maine in the United States. Partial eclipses will be visible in Charlotte, Richmond, Cleveland, Detroit, Chicago, Washington, D.C., and Buffalo. In Canada, the total eclipse can be visible in Halifax, and Saint John, while the partial eclipse can be seen in Montreal, Toronto, Ottawa, and most of northern Canada. The path then passes directly through Nuuk, making it visible to most of Greenland. The path will end near the Bering Strait. A partial eclipse can be visible in a very small part of South America, Northern Africa, Europe and Northern Asia (Mostly Russia). The path of totality barely misses the North Pole by about 100 miles (160 km).

Details[edit]

  • Delta T: 1 minute, 47.3 seconds
  • Magnitude = 1.05116
  • Obscuration = 1.10494
  • Gamma = 0.90808
  • Greatest eclipse = 01 May 2079 10:48:25.6 UTC (10:50:12.8 AT)
  • Sun right ascension = 2 hours, 35 minutes, 18.8 seconds
  • Sun declination = 15 degrees, 12 minutes, 6.8 seconds north of the celestial equator
  • Moon right ascension = 2 hours, 33 minutes, 47.0 seconds
  • Moon declination = 16 degrees, 2 minutes, 36.5 seconds north of the celestial equator
  • Sun diameter = 1905.2 arcseconds
  • Moon diameter = 1989.4 arcseconds
  • Path width at greatest eclipse = 405.7 km (252.1 mi)
  • Path width at greatest duration = 404.8 km (251.5 mi)
  • Totality at greatest eclipse = 2 minutes, 54 seconds, 910 milliseconds
  • Totality at greatest duration = 2 minutes, 54 seconds, 920 milliseconds

Related eclipses[edit]

Eclipses in 2079[edit]

Metonic[edit]

Tzolkinex[edit]

Half-Saros[edit]

Tritos[edit]

Solar Saros 149[edit]

Inex[edit]

Triad[edit]

Solar eclipses of 2076–2079[edit]

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.[1]

The partial solar eclipses on January 6, 2076 and July 1, 2076 occur in the previous lunar year eclipse set.

Solar eclipse series sets from 2076 to 2079
Ascending node   Descending node
Saros Map Gamma Saros Map Gamma
119 June 1, 2076

Partial 		−1.3897 124 November 26, 2076

Partial 		1.1401
129 May 22, 2077

Total 		−0.5725 134 November 15, 2077

Annular 		0.4705
139 May 11, 2078

Total 		0.1838 144 November 4, 2078

Annular 		−0.2285
149 May 1, 2079

Total 		0.9081 154 October 24, 2079

Annular 		−0.9243

Saros 149[edit]

This eclipse is a part of Saros series 149, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on August 21, 1664. It contains total eclipses from April 9, 2043 through October 2, 2331; hybrid eclipses from October 13, 2349 through November 3, 2385; and annular eclipses from November 15, 2403 through July 13, 2800. The series ends at member 71 as a partial eclipse on September 28, 2926. Its eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.

The longest duration of totality will be produced by member 31 at 4 minutes, 10 seconds on July 17, 2205, and the longest duration of annularity will be produced by member 62 at 5 minutes, 6 seconds on June 21, 2764. All eclipses in this series occur at the Moon’s ascending node of orbit.[2]

Series members 9–30 occur between 1801 and 2200:
9 10 11

November 18, 1808
November 29, 1826
December 9, 1844
12 13 14

December 21, 1862
December 31, 1880
January 11, 1899
15 16 17

January 23, 1917
February 3, 1935
February 14, 1953
18 19 20

February 25, 1971
March 7, 1989
March 19, 2007
21 22 23

March 29, 2025
April 9, 2043
April 20, 2061
24 25 26

May 1, 2079
May 11, 2097
May 24, 2115
27 28 29

June 3, 2133
June 14, 2151
June 25, 2169
30

July 6, 2187

Inex series[edit]

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 140: total solar eclipse of October 29, 1818
  • Solar saros 141: annular solar eclipse of October 9, 1847
  • Solar saros 142: total solar eclipse of September 17, 1876

In the 22nd century:

  • Solar saros 150: partial solar eclipse of April 11, 2108
  • Solar saros 151: annular solar eclipse of March 21, 2137
  • Solar saros 152: total solar eclipse of March 2, 2166
  • Solar saros 153: annular solar eclipse of February 10, 2195

Tritos series[edit]

This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic 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.

Metonic series[edit]

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.

Notes[edit]

  1. ^ van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved October 6, 2018.
  2. ^ "NASA - Catalog of Solar Eclipses of Saros 149". eclipse.gsfc.nasa.gov.

References[edit]

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