An annular solar eclipse occurred on March 18, 1950. 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.
While it was an annular solar eclipse, it was a non-central solar eclipse (when the gamma is 0.9972 or larger).
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Related eclipses
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.[1]
| Solar eclipse series sets from 1950–1953 | ||||||
|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||
| Saros | Map | Saros | Map | |||
| 119 |  1950 March 18 Annular (non-central) |
124 |  1950 September 12 Total | |||
| 129 |  1951 March 7 Annular |
134 |  1951 September 1 Annular | |||
| 139 |  1952 February 25 Total |
144 |  1952 August 20 Annular | |||
| 149 |  1953 February 14 Partial |
154 |  1953 August 9 Partial | |||
| Solar eclipse of July 11, 1953 belongs to the next lunar year set | ||||||
Saros 119
It is a part of Saros cycle 119, repeating every 18 years, 11 days, containing 71 events. The series started with partial solar eclipse on May 15, 850 AD. It contains total eclipses on August 9, 994 AD and August 20, 1012, with a hybrid eclipse on August 31, 1030. It has annular eclipses from September 10, 1048, through March 18, 1950. The series ends at member 71 as a partial eclipse on June 24, 2112. The longest duration of totality was only 32 seconds on August 20, 1012. The longest duration of annularity was 7 minutes, 37 seconds on September 1, 1625. The longest duration of hybridity was only 18 seconds on August 31, 1030.
| Series members 54–70 occur between 1801 and 2100: | ||
|---|---|---|
| 54 | 55 | 56 |
 December 21, 1805 |
 January 1, 1824 |
 January 11, 1842 |
| 57 | 58 | 59 |
 January 23, 1860 |
 February 2, 1878 |
February 13, 1896 |
| 60 | 61 | 62 |
 February 25, 1914 |
 March 7, 1932 |
March 18, 1950 |
| 63 | 64 | 65 |
 March 28, 1968 |
 April 9, 1986 |
 April 19, 2004 |
| 66 | 67 | 68 |
 April 30, 2022 |
 May 11, 2040 |
 May 22, 2058 |
| 69 | 70 | |
 June 1, 2076 |
 June 13, 2094 | |
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.
| 22 eclipse events between January 5, 1935 and August 11, 2018 | ||||
|---|---|---|---|---|
| January 4-5 | October 23-24 | August 10-12 | May 30-31 | March 18-19 |
| 111 | 113 | 115 | 117 | 119 |
 January 5, 1935 |
 August 12, 1942 |
 May 30, 1946 |
March 18, 1950 | |
| 121 | 123 | 125 | 127 | 129 |
 January 5, 1954 |
 October 23, 1957 |
 August 11, 1961 |
 May 30, 1965 |
 March 18, 1969 |
| 131 | 133 | 135 | 137 | 139 |
 January 4, 1973 |
 October 23, 1976 |
 August 10, 1980 |
 May 30, 1984 |
 March 18, 1988 |
| 141 | 143 | 145 | 147 | 149 |
 January 4, 1992 |
 October 24, 1995 |
 August 11, 1999 |
 May 31, 2003 |
 March 19, 2007 |
| 151 | 153 | 155 | ||
 January 4, 2011 |
 October 23, 2014 |
 August 11, 2018 |
||
Notes
- ^ 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.
References
- Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
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This page was last edited on 4 December 2023, at 12:42