• Source: Solar eclipse of September 23, 2090

A total solar eclipse will occur at the Moon's ascending node of orbit on Saturday, September 23, 2090, with a magnitude of 1.0562. 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. Occurring about 4 hours after perigee (on September 23, 2090, at 12:40 UTC), the Moon's apparent diameter will be larger.
The path of totality will be visible from parts of northern Canada, Greenland, southern Ireland, the southern United Kingdom, France, and Belgium. A partial solar eclipse will also be visible for parts of North America, Western Europe, and West Africa.
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, Isle of Wight, northern France (including Paris and Rennes) and south Belgium and a partially eclipsed sun will be visible in Birmingham, London, Exeter, Cardiff, Belfast, Dublin, Weston Super Mare, Bristol and Oxford.




Eclipse details


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.




Eclipse season



This eclipse is part of an eclipse 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 a fortnight.




Related eclipses






= Eclipses in 2090

=
A total lunar eclipse on March 15.
A partial solar eclipse on March 31.
A total lunar eclipse on September 8.
A total solar eclipse on September 23.




= Metonic

=
Preceded by: Solar eclipse of December 6, 2086
Followed by: Solar eclipse of July 12, 2094




= Tzolkinex

=
Preceded by: Solar eclipse of August 13, 2083
Followed by: Solar eclipse of November 4, 2097




= Half-Saros

=
Preceded by: Lunar eclipse of September 18, 2081
Followed by: Lunar eclipse of September 29, 2099




= Tritos

=
Preceded by: Solar eclipse of October 24, 2079
Followed by: Solar eclipse of August 24, 2101




= Solar Saros 155

=
Preceded by: Solar eclipse of September 12, 2072
Followed by: Solar eclipse of October 4, 2108




= Inex

=
Preceded by: Solar eclipse of October 13, 2061
Followed by: Solar eclipse of September 5, 2119




= Triad

=
Preceded by: Solar eclipse of November 23, 2003
Followed by: Solar eclipse of July 25, 2177




= Solar eclipses of 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.
The partial solar eclipse on June 1, 2087 occurs in the previous lunar year eclipse set.




= Saros 155

=
This eclipse is a part of Saros series 155, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on June 17, 1928. It contains total eclipses from September 12, 2072 through August 30, 2649; hybrid eclipses from September 10, 2667 through October 2, 2703; and annular eclipses from October 13, 2721 through May 8, 3064. The series ends at member 71 as a partial eclipse on July 24, 3190. 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 14 at 4 minutes, 5 seconds on November 6, 2162, and the longest duration of annularity will be produced by member 63 at 5 minutes, 31 seconds on April 28, 3046. All eclipses in this series occur at the Moon’s ascending node of orbit.




= 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.




= 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.
The partial solar eclipses on December 18, 2188 (part of Saros 164) and November 18, 2199 (part of Saros 165) are also a part of this series but are not included in the table below.




= 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.




Notes






References


Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
Google interactive map
Besselian elements

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