Solar eclipse of September 1, 1951
Template:Short description Script error: No such module "Solar eclipse". An annular solar eclipse occurred at the Moon's descending node of orbit on Saturday, September 1, 1951,[1] with a magnitude of 0.9747. 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. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. Occurring 5.4 days after apogee (on August 27, 1951, at 3:50 UTC), the Moon's apparent diameter was smaller.[2]
Annularity was visible from Tennessee, North Carolina, and Virginia in the United States, Spanish Sahara (today's West Sahara), French West Africa (the parts now belonging to Mauritania, Mali, Burkina Faso and Ivory Coast), British Gold Coast (today's Ghana), southern tip of French Equatorial Africa (the part now belonging to R. Congo), Belgian Congo (today's DR Congo), Northern Rhodesia (today's Zambia), Portuguese Mozambique (today's Mozambique), Nyasaland (today's Malawi), and French Madagascar (the part now belonging to Madagascar). A partial eclipse was visible for parts of eastern North America, the Caribbean, northern South America, Europe, and Africa.
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.[3]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 1951 September 1 at 09:54:58.5 UTC |
| First Umbral External Contact | 1951 September 1 at 10:57:51.5 UTC |
| First Central Line | 1951 September 1 at 10:59:13.3 UTC |
| First Umbral Internal Contact | 1951 September 1 at 11:00:35.1 UTC |
| Greatest Duration | 1951 September 1 at 11:26:30.5 UTC |
| First Penumbral Internal Contact | 1951 September 1 at 12:04:50.8 UTC |
| Equatorial Conjunction | 1951 September 1 at 12:42:32.1 UTC |
| Ecliptic Conjunction | 1951 September 1 at 12:50:04.3 UTC |
| Greatest Eclipse | 1951 September 1 at 12:51:51.1 UTC |
| Last Penumbral Internal Contact | 1951 September 1 at 13:39:05.6 UTC |
| Last Umbral Internal Contact | 1951 September 1 at 14:43:15.0 UTC |
| Last Central Line | 1951 September 1 at 14:44:34.0 UTC |
| Last Umbral External Contact | 1951 September 1 at 14:45:53.0 UTC |
| Last Penumbral External Contact | 1951 September 1 at 15:48:41.5 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 0.97473 |
| Eclipse Obscuration | 0.95011 |
| Gamma | 0.15570 |
| Sun Right Ascension | 10h39m41.0s |
| Sun Declination | +08°28'11.5" |
| Sun Semi-Diameter | 15'50.9" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 10h39m57.2s |
| Moon Declination | +08°35'52.2" |
| Moon Semi-Diameter | 15'12.7" |
| Moon Equatorial Horizontal Parallax | 0°55'49.8" |
| ΔT | 29.8 s |
Eclipse season
Script error: No such module "Labelled list hatnote". 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. The first and last eclipse in this sequence is separated by one synodic month.
| August 17 Ascending node (full moon) |
September 1 Descending node (new moon) |
September 15 Ascending node (full moon) |
|---|---|---|
| File:Lunar eclipse chart close-1951Aug17.png | File:SE1951Sep01A.png | File:Lunar eclipse chart close-1951Sep15.png |
| Penumbral lunar eclipse Lunar Saros 108 |
Annular solar eclipse Solar Saros 134 |
Penumbral lunar eclipse Lunar Saros 146 |
Related eclipses
Eclipses in 1951
- A penumbral lunar eclipse on February 21.
- An annular solar eclipse on March 7.
- A penumbral lunar eclipse on March 23.
- A penumbral lunar eclipse on August 17.
- An annular solar eclipse on September 1.
- A penumbral lunar eclipse on September 15.
Metonic
- Preceded by: Solar eclipse of November 12, 1947
- Followed by: Solar eclipse of June 20, 1955
Tzolkinex
- Preceded by: Solar eclipse of July 20, 1944
- Followed by: Solar eclipse of October 12, 1958
Half-Saros
- Preceded by: Lunar eclipse of August 26, 1942
- Followed by: Lunar eclipse of September 5, 1960
Tritos
- Preceded by: Solar eclipse of October 1, 1940
- Followed by: Solar eclipse of July 31, 1962
Solar Saros 134
- Preceded by: Solar eclipse of August 21, 1933
- Followed by: Solar eclipse of September 11, 1969
Inex
- Preceded by: Solar eclipse of September 21, 1922
- Followed by: Solar eclipse of August 10, 1980
Triad
- Preceded by: Solar eclipse of October 30, 1864
- Followed by: Solar eclipse of July 2, 2038
Solar eclipses of 1950–1953
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.[4]
The partial solar eclipse on July 11, 1953 occurs in the next lunar year eclipse set.
| Solar eclipse series sets from 1950 to 1953 | ||||||
|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||
| Saros | Map | Gamma | Saros | Map | Gamma | |
| 119 | March 18, 1950 File:SE1950Mar18A.png Annular (non-central) |
0.9988 | 124 | September 12, 1950 File:SE1950Sep12T.png Total |
0.8903 | |
| 129 | March 7, 1951 File:SE1951Mar07A.png Annular |
−0.242 | 134 | September 1, 1951 File:SE1951Sep01A.png Annular |
0.1557 | |
| 139 | February 25, 1952 File:SE1952Feb25T.png Total |
0.4697 | 144 | August 20, 1952 File:SE1952Aug20A.png Annular |
−0.6102 | |
| 149 | February 14, 1953 File:SE1953Feb14P.png Partial |
1.1331 | 154 | August 9, 1953 File:SE1953Aug09P.png Partial |
−1.344 | |
Saros 134
This eclipse is a part of Saros series 134, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on June 22, 1248. It contains total eclipses from October 9, 1428 through December 24, 1554; hybrid eclipses from January 3, 1573 through June 27, 1843; and annular eclipses from July 8, 1861 through May 21, 2384. The series ends at member 72 as a partial eclipse on August 6, 2510. 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 was produced by member 11 at 1 minutes, 30 seconds on October 9, 1428, and the longest duration of annularity will be produced by member 52 at 10 minutes, 55 seconds on January 10, 2168. All eclipses in this series occur at the Moon’s descending node of orbit.[5]
| Series members 32–53 occur between 1801 and 2200: | ||
|---|---|---|
| 32 | 33 | 34 |
| File:SE1807Jun06H.png June 6, 1807 |
File:SE1825Jun16H.png June 16, 1825 |
File:SE1843Jun27H.png June 27, 1843 |
| 35 | 36 | 37 |
| File:SE1861Jul08A.png July 8, 1861 |
File:SE1879Jul19A.png July 19, 1879 |
File:SE1897Jul29A.png July 29, 1897 |
| 38 | 39 | 40 |
| File:SE1915Aug10A.png August 10, 1915 |
File:SE1933Aug21A.png August 21, 1933 |
File:SE1951Sep01A.png September 1, 1951 |
| 41 | 42 | 43 |
| File:SE1969Sep11A.png September 11, 1969 |
File:SE1987Sep23A.png September 23, 1987 |
File:SE2005Oct03A.png October 3, 2005 |
| 44 | 45 | 46 |
| File:SE2023Oct14A.png October 14, 2023 |
File:SE2041Oct25A.png October 25, 2041 |
File:SE2059Nov05A.png November 5, 2059 |
| 47 | 48 | 49 |
| File:SE2077Nov15A.png November 15, 2077 |
File:SE2095Nov27A.png November 27, 2095 |
File:SE2113Dec08A.png December 8, 2113 |
| 50 | 51 | 52 |
| File:SE2131Dec19A.png December 19, 2131 |
File:SE2149Dec30A.png December 30, 2149 |
File:SE2168Jan10A.png January 10, 2168 |
| 53 | ||
| File:SE2186Jan20A.png January 20, 2186 | ||
Metonic series
Template:Solar Metonic series 1902–1989
Tritos series
Template:Solar Tritos series 2006 March 29
Inex series
Template:Solar Inex series 2009 July 22
Notes
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References
- Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
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