Solar eclipse of September 23, 2090
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| Total eclipse | |
 Map | |
| Gamma | 0.9157 |
|---|---|
| Magnitude | 1.0562 |
| Maximum eclipse | |
| Duration | 216 s (3 min 36 s) |
| Coordinates | 60°42′N 40°30′W / 60.7°N 40.5°W |
| Max. width of band | 463 km (288 mi) |
| Times (UTC) | |
| Greatest eclipse | 16:56:36 |
| References | |
| Saros | 155 (10 of 71) |
| Catalog # (SE5000) | 9711 |
A total solar eclipse will occur at the Moon's ascending node of orbit on Saturday, September 23, 2090,[1] 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.[2]
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.
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.[3]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 2090 September 23 at 14:50:25.0 UTC |
| First Umbral External Contact | 2090 September 23 at 16:12:55.8 UTC |
| First Central Line | 2090 September 23 at 16:16:08.2 UTC |
| First Umbral Internal Contact | 2090 September 23 at 16:19:34.4 UTC |
| Equatorial Conjunction | 2090 September 23 at 16:26:17.0 UTC |
| Greatest Eclipse | 2090 September 23 at 16:56:36.3 UTC |
| Greatest Duration | 2090 September 23 at 16:56:43.3 UTC |
| Ecliptic Conjunction | 2090 September 23 at 17:05:47.3 UTC |
| Last Umbral Internal Contact | 2090 September 23 at 17:34:01.1 UTC |
| Last Central Line | 2090 September 23 at 17:37:26.6 UTC |
| Last Umbral External Contact | 2090 September 23 at 17:40:38.4 UTC |
| Last Penumbral External Contact | 2090 September 23 at 19:03:02.8 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 1.05615 |
| Eclipse Obscuration | 1.11546 |
| Gamma | 0.91569 |
| Sun Right Ascension | 12h04m19.6s |
| Sun Declination | -00°28'06.5" |
| Sun Semi-Diameter | 15'56.2" |
| Sun Equatorial Horizontal Parallax | 08.8" |
| Moon Right Ascension | 12h05m28.3s |
| Moon Declination | +00°25'15.5" |
| Moon Semi-Diameter | 16'43.4" |
| Moon Equatorial Horizontal Parallax | 1°01'22.6" |
| ΔT | 114.8 s |
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.
| September 8 Descending node (full moon) | September 23 Ascending node (new moon) |
|---|---|
 | |
| Total lunar eclipse Lunar Saros 129 | Total solar eclipse Solar Saros 155 |
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