Solar eclipse of September 23, 2090

A total solar eclipse will occur on Saturday, September 23, 2090. 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. This solar eclipse will be the first total solar eclipse visible from Great Britain since August 11, 1999, and the first visible from Ireland since May 22, 1724. The totality will be visible in southern Greenland, Valentia, West Cork, Poole, Newquay, Plymouth, Southampton and the Isle of Wight, and a partially eclipsed sun will be visible in Birmingham, London, Exeter, Cardiff, Belfast, Dublin, Weston Super Mare, Bristol and Oxford.

Solar eclipse of September 23, 2090
Map
Type of eclipse
NatureTotal
Gamma0.9157
Magnitude1.0562
Maximum eclipse
Duration216 sec (3 m 36 s)
Coordinates60.7°N 40.5°W / 60.7; -40.5
Max. width of band463 km (288 mi)
Times (UTC)
Greatest eclipse16:56:36
References
Saros155 (10 of 71)
Catalog # (SE5000)9711

Solar eclipses 2087–2090

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]

120May 2, 2087

Partial		 125October 26, 2087

Partial
130April 21, 2088

Total		 135October 14, 2088

Annular
140April 10, 2089

Annular		 145October 4, 2089

Total
150March 31, 2090

Partial		 155September 23, 2090

Total

Tritos series

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

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
  1. 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.
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References
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