Solar eclipse of December 4, 2021 | |
---|---|
Type of eclipse | |
Nature | Total |
Gamma | −0.9526 |
Magnitude | 1.0367 |
Maximum eclipse | |
Duration | 114 sec (1 m 54 s) |
Coordinates | 76°48′S46°12′W / 76.8°S 46.2°W |
Max. width of band | 419 km (260 mi) |
Times (UTC) | |
Greatest eclipse | 7:34:38 |
References | |
Saros | 152 (13 of 70) |
Catalog # (SE5000) | 9556 |
A total solar eclipse took place on Saturday, December 4, 2021, when the Moon passed between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. [1] [2] [3] This eclipse was unusual as the path of the total eclipse moved from east to west across West Antarctica, while most eclipse paths move from west to east. This reversal is only possible in polar regions. Its path across Antarctica crossed near Berkner Island, traversed an arc over the continent and passed over Shepard Island. [4] [5]
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. [7]
Note: Partial solar eclipses on February 15, 2018, and August 11, 2018, occurred during the previous semester series.
Ascending node | Descending node | |||||
---|---|---|---|---|---|---|
Saros | Map | Gamma | Saros | Map | Gamma | |
117 Partial from Melbourne, Australia | 2018 July 13 Partial | −1.35423 | 122 Partial from Nakhodka, Russia | 2019 January 6 Partial | 1.14174 | |
127 La Serena, Chile | 2019 July 2 Total | −0.64656 | 132 Jaffna, Sri Lanka | 2019 December 26 Annular | 0.41351 | |
137 Beigang, Yunlin, Taiwan | 2020 June 21 Annular | 0.12090 | 142 Gorbea, Chile | 2020 December 14 Total | −0.29394 | |
147 Partial from Halifax, Canada | 2021 June 10 Annular | 0.91516 | 152 From HMS Protector off South Georgia | 2021 December 4 Total | −0.95261 |
Solar saros 152, repeating every about 18 years and 11 days, contains 70 events. The series started with a partial solar eclipse on July 26, 1805. It has total eclipses from November 2, 1967, to September 14, 2490; hybrid eclipses from September 26, 2508, to October 17, 2544; and annular eclipses from October 29, 2562, to June 16, 2941. The series ends at member 70 as a partial eclipse on August 20, 3049. The longest total eclipse will occur on June 9, 2328, at 5 minutes and 15 seconds; the longest annular eclipse will occur on February 16, 2743, at 5 minutes and 20 seconds. [8]
Series members 7–17 occur between 1901 and 2100: | ||
---|---|---|
7 | 8 | 9 |
September 30, 1913 | October 11, 1931 | October 21, 1949 |
10 | 11 | 12 |
November 2, 1967 | November 12, 1985 | November 23, 2003 |
13 | 14 | 15 |
December 4, 2021 | December 15, 2039 | December 26, 2057 |
16 | 17 | |
January 6, 2076 | January 16, 2094 |
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 descending node.
21 eclipse events, progressing from north to south between July 11, 1953 and July 11, 2029 | ||||
---|---|---|---|---|
July 10–12 | April 29–30 | February 15–16 | December 4–5 | September 21–23 |
116 | 118 | 120 | 122 | 124 |
July 11, 1953 | April 30, 1957 | February 15, 1961 | December 4, 1964 | September 22, 1968 |
126 | 128 | 130 | 132 | 134 |
July 10, 1972 | April 29, 1976 | February 16, 1980 | December 4, 1983 | September 23, 1987 |
136 | 138 | 140 | 142 | 144 |
July 11, 1991 | April 29, 1995 | February 16, 1999 | December 4, 2002 | September 22, 2006 |
146 | 148 | 150 | 152 | 154 |
July 11, 2010 | April 29, 2014 | February 15, 2018 | December 4, 2021 | September 21, 2025 |
156 | 158 | 160 | 162 | 164 |
July 11, 2029 |
A total solar eclipse took place on November 23, 2003, with a magnitude of 1.0379. 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. It was visible from a corridor in the Antarctic region. A partial eclipse was seen from the much broader path of the Moon's penumbra, including the southern tip of South America and most of Australia.
An annular solar eclipse occurred at the Moon's descending node of the orbit on October 3, 2005, with a magnitude of 0.958. 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 only 4.8 days after apogee, the Moon's apparent diameter was smaller. It was visible from a narrow corridor through the Iberian peninsula and Africa and Brazil. A partial eclipse was seen from the much broader path of the Moon's penumbra, including all of Europe, Africa and southwestern Asia. The Sun was 96% covered in a moderate annular eclipse, lasting 4 minutes and 32 seconds and covering a broad path up to 162 km wide. The next solar eclipse in Africa occurred just 6 months later.
An annular solar eclipse occurred at the Moon's ascending node of the orbit on Monday, January 26, 2009. 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. It had a magnitude of 0.9282 and was visible from a narrow corridor beginning in the south Atlantic Ocean and sweeping eastward 900 km south of Africa, slowly curving northeast through the Indian Ocean. Its first landfall was in the Cocos Islands followed by southern Sumatra and western Java. It continued somewhat more easterly across central Borneo, across the northwestern edge of Celebes, then ending just before Mindanao, Philippines. The duration of annularity at greatest eclipse lasted 7 minutes, 53.58 seconds, but at greatest duration lasted 7 minutes, 56.05 seconds.
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An annular solar eclipse occurred at the Moon's ascending node of the orbit on February 7, 2008. 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 7 days after apogee and 6.9 days before perigee, the Moon's apparent diameter was near the average diameter.
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