Solar eclipse of February 4, 1981

Solar eclipse of February 4, 1981
Map
Type of eclipse
Nature	Annular
Gamma	-0.4838
Magnitude	0.9937
Maximum eclipse
Duration	33 sec (0 m 33 s)
Coordinates	44°24′S 140°48′W / 44.4°S 140.8°W / -44.4; -140.8
Max. width of band	25 km (16 mi)
Times (UTC)
Greatest eclipse	22:09:24
References
Saros	140 (27 of 71)
Catalog # (SE5000)	9466

An annular solar eclipse occurred on February 4–5, 1981. 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 was visible in Australia, crossing over Tasmania near sunrise on February 5th, and ended at sunset over western South America.

Related eclipses

Solar eclipses of 1979-1982

Each member 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.

Solar eclipse series sets from 1979 to 1982

Ascending node			Descending node
Saros	Map		Saros	Map
120	February 26, 1979 Total		125	August 22, 1979 Annular
130	February 16, 1980 Total		135	August 10, 1980 Annular
140	February 4, 1981 Annular		145	July 31, 1981 Total
150	January 25, 1982 Partial		155	July 20, 1982 Partial
Partial solar eclipses on June 21, 1982 and December 15, 1982 occur in the next lunar year eclipse set.

Notes

References

• Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
  • Google interactive map
  • Besselian elements
• Annular Solar Eclipse Observed for Solar Radius Determination Observed from Tasmania, by Fiala, A. D., Herald, D., & Dunham, D. W, Bulletin of the American Astronomical Society, Vol. 13, p. 552
• Correcting predictions of solar eclipse contact times for the effects of lunar limb irregularities Observations from Tasmania by Herald, D. Journal of the British Astronomical Association, vol.93, no.6, p. 241-246

Solar eclipses Lists of eclipses By century Antiquity 20th BC 19th BC 18th BC 17th BC 16th BC 15th BC 14th BC 13th BC 12th BC 11th BC 10th BC 9th BC 8th BC 7th BC 6th BC 5th BC 4th BC 3rd BC 2nd BC 1st BC 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th 15th 16th 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th Saros series 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 Visibility China United Kingdom Philippines United States Historical Mursili's eclipse (1312 BC) Assyrian eclipse (763 BC) Eclipse of Thales (585 BC) Crucifixion darkness Total/hybrid eclipses → symbol denotes next total/hybrid eclipse 1560 Aug 21 1598 Mar 7 1652 Apr 8 1654 Aug 12 1699 Sep 23 1715 May 3 1724 May 22 1766 Feb 9 1778 Jun 24 1780 Oct 27 1806 Jun 16 1816 Nov 19 1820 Sep 7 1824 Jun 26 1842 Jul 8 1851 Jul 28 1853 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27 2094 Jan 16 2095 Jun 2 2096 May 22 2097 May 11 2099 Sep 14 2100 Sep 4 2114 Jun 3 2132 Jun 13 2150 Jun 25 2168 Jul 5 2186 Jul 16 Annular eclipses → symbol denotes next annular eclipse 1854 May 26 1879 Jan 22 1889 Jun 28 1901 Nov 11 1903 Mar 29 1904 Mar 17 1905 Mar 6 1907 Jul 10 1908 Jun 28 1911 Oct 22 1914 Feb 25 1915 Feb 14 1915 Aug 10 1916 Jul 30 1917 Dec 14 1918 Dec 3 1919 Nov 22 1921 Apr 8 1922 Mar 28 1923 Mar 17 1925 Jul 20 1926 Jul 9 1927 Jan 3 1929 Nov 1 1932 Mar 7 1933 Feb 24 1933 Aug 21 1934 Aug 10 1935 Dec 25 1936 Dec 13 1937 Dec 2 1939 Apr 19 1940 Apr 7 1941 Mar 27 1943 Aug 1 1945 Jan 14 1947 Nov 12 1948 May 9 1950 Mar 18 1951 Mar 7 1951 Sep 1 1952 Aug 20 1954 Jan 5 1954 Dec 25 1955 Dec 14 1957 Apr 30 1958 Apr 19 1959 Apr 8 1961 Aug 11 1962 Jul 31 1963 Jan 25 1965 Nov 23 1966 May 20 1969 Mar 18 1969 Sep 11 1970 Aug 31 1972 Jan 16 1973 Jan 4 1973 Dec 24 1976 Apr 29 1977 Apr 18 1979 Aug 22 1980 Aug 10 1981 Feb 4 1983 Dec 4 1984 May 30 1987 Sep 23 1988 Sep 11 1990 Jan 26 1991 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