| Partial eclipse | |
 Map | |
| Gamma | 1.0624 |
|---|---|
| Magnitude | 0.8992 |
| Maximum eclipse | |
| Coordinates | 71°00′N101°18′W / 71°N 101.3°W /71; -101.3 |
| Times (UTC) | |
| Greatest eclipse | 10:11:09 |
| References | |
| Saros | 120 (64 of 71) |
| Catalog # (SE5000) | 9663 |
A partialsolar eclipse will occur at the Moon'sdescending node of orbit on Sunday, April 21, 2069,[1] with amagnitude of 0.8992. Asolar eclipse occurs when theMoon passes betweenEarth and theSun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.
The partial solar eclipse will be visible for parts of easternCanada,Greenland,Europe, andNorth Asia.
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.[2]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 2069 April 21 at 08:17:35.0 UTC |
| Ecliptic Conjunction | 2069 April 21 at 10:00:35.3 UTC |
| Greatest Eclipse | 2069 April 21 at 10:11:08.9 UTC |
| Equatorial Conjunction | 2069 April 21 at 10:39:45.2 UTC |
| Last Penumbral External Contact | 2069 April 21 at 12:04:30.0 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 0.89916 |
| Eclipse Obscuration | 0.88412 |
| Gamma | 1.06241 |
| Sun Right Ascension | 01h58m57.2s |
| Sun Declination | +12°07'52.1" |
| Sun Semi-Diameter | 15'55.0" |
| Sun Equatorial Horizontal Parallax | 08.8" |
| Moon Right Ascension | 01h57m49.5s |
| Moon Declination | +13°10'46.5" |
| Moon Semi-Diameter | 16'43.2" |
| Moon Equatorial Horizontal Parallax | 1°01'21.7" |
| ΔT | 97.0 s |
This eclipse is part of aneclipse 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 afortnight. The first and last eclipse in this sequence is separated by onesynodic month.
| April 21 Descending node (new moon) | May 6 Ascending node (full moon) | May 20 Descending node (new moon) |
|---|---|---|
|  |  |
| Partial solar eclipse Solar Saros 120 | Total lunar eclipse Lunar Saros 132 | Partial solar eclipse Solar Saros 158 |
This eclipse is a member of asemester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternatingnodes of the Moon's orbit.[3]
The partial solar eclipse onMay 20, 2069 occurs in the previous lunar year eclipse set.
| Solar eclipse series sets from 2069 to 2072 | ||||||
|---|---|---|---|---|---|---|
| Descending node | Ascending node | |||||
| Saros | Map | Gamma | Saros | Map | Gamma | |
| 120 | April 21, 2069 Partial | 1.0624 | 125 | October 15, 2069 Partial | −1.2524 | |
| 130 | April 11, 2070 Total | 0.3652 | 135 | October 4, 2070 Annular | −0.495 | |
| 140 | March 31, 2071 Annular | −0.3739 | 145 | September 23, 2071 Total | 0.262 | |
| 150 | March 19, 2072 Partial | −1.1405 | 155 | September 12, 2072 Total | 0.9655 | |
This eclipse is a part ofSaros series 120, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on May 27, 933 AD. It contains annular eclipses from August 11, 1059 through April 26, 1492; hybrid eclipses from May 8, 1510 through June 8, 1564; and total eclipses from June 20, 1582 throughMarch 30, 2033. The series ends at member 71 as a partial eclipse on July 7, 2195. Its eclipses are tabulated in three columns; every third eclipse in the same column is oneexeligmos apart, so they all cast shadows over approximately the same parts of the Earth.
The longest duration of annularity was produced by member 11 at 6 minutes, 24 seconds on September 11, 1113, and the longest duration of totality was produced by member 60 at 2 minutes, 50 seconds onMarch 9, 1997. All eclipses in this series occur at the Moon’sdescending node of orbit.[4]
| Series members 50–71 occur between 1801 and 2195: | ||
|---|---|---|
| 50 | 51 | 52 |
 November 19, 1816 |  November 30, 1834 |  December 11, 1852 |
| 53 | 54 | 55 |
 December 22, 1870 |  January 1, 1889 |  January 14, 1907 |
| 56 | 57 | 58 |
 January 24, 1925 |  February 4, 1943 |  February 15, 1961 |
| 59 | 60 | 61 |
 February 26, 1979 |  March 9, 1997 |  March 20, 2015 |
| 62 | 63 | 64 |
 March 30, 2033 |  April 11, 2051 | April 21, 2069 |
| 65 | 66 | 67 |
 May 2, 2087 |  May 14, 2105 |  May 25, 2123 |
| 68 | 69 | 70 |
 June 4, 2141 |  June 16, 2159 |  June 26, 2177 |
| 71 | ||
 July 7, 2195 | ||
Themetonic 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 descending node.
| 22 eclipse events between July 3, 2065 and November 26, 2152 | ||||
|---|---|---|---|---|
| July 3–4 | April 21–23 | February 7–8 | November 26–27 | September 13–15 |
| 118 | 120 | 122 | 124 | 126 |
 July 3, 2065 | April 21, 2069 |  February 7, 2073 |  November 26, 2076 |  September 13, 2080 |
| 128 | 130 | 132 | 134 | 136 |
 July 3, 2084 |  April 21, 2088 |  February 7, 2092 |  November 27, 2095 |  September 14, 2099 |
| 138 | 140 | 142 | 144 | 146 |
 July 4, 2103 |  April 23, 2107 |  February 8, 2111 |  November 27, 2114 |  September 15, 2118 |
| 148 | 150 | 152 | 154 | 156 |
 July 4, 2122 |  April 22, 2126 |  February 8, 2130 |  November 26, 2133 |  September 15, 2137 |
| 158 | 160 | 162 | 164 | |
 July 3, 2141 |  November 26, 2152 | |||
This eclipse is a part of atritos cycle, repeating at alternating nodes every 135synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with theanomalistic 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.
| Series members between 2036 and 2200 | ||||
|---|---|---|---|---|
 July 23, 2036 (Saros 117) |  June 23, 2047 (Saros 118) |  May 22, 2058 (Saros 119) | April 21, 2069 (Saros 120) |  March 21, 2080 (Saros 121) |
 February 18, 2091 (Saros 122) |  January 19, 2102 (Saros 123) |  December 19, 2112 (Saros 124) |  November 18, 2123 (Saros 125) |  October 17, 2134 (Saros 126) |
 September 16, 2145 (Saros 127) |  August 16, 2156 (Saros 128) |  July 16, 2167 (Saros 129) |  June 16, 2178 (Saros 130) |  May 15, 2189 (Saros 131) |
 April 14, 2200 (Saros 132) | ||||
This eclipse is a part of the long periodinex cycle, repeating at alternating nodes, every 358synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with theanomalistic 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.
| Series members between 1801 and 2200 | ||
|---|---|---|
 October 19, 1808 (Saros 111) | ||
 August 20, 1895 (Saros 114) |  July 31, 1924 (Saros 115) |  July 11, 1953 (Saros 116) |
 June 21, 1982 (Saros 117) |  June 1, 2011 (Saros 118) |  May 11, 2040 (Saros 119) |
April 21, 2069 (Saros 120) |  April 1, 2098 (Saros 121) |  March 13, 2127 (Saros 122) |
 February 21, 2156 (Saros 123) |  January 31, 2185 (Saros 124) | |
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