Solar eclipse of February 25, 1971
Template:Short description Script error: No such module "Solar eclipse". A partial solar eclipse occurred at the Moon's ascending node of orbit on Thursday, February 25, 1971,[1] with a magnitude of 0.7872. 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 partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.
A partial eclipse was visible for parts of North Africa and Europe.
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.[2]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 1971 February 25 at 07:49:28.7 UTC |
| Greatest Eclipse | 1971 February 25 at 09:38:07.1 UTC |
| Ecliptic Conjunction | 1971 February 25 at 09:49:14.7 UTC |
| Equatorial Conjunction | 1971 February 25 at 10:37:14.9 UTC |
| Last Penumbral External Contact | 1971 February 25 at 11:26:20.3 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 0.78718 |
| Eclipse Obscuration | 0.73865 |
| Gamma | 1.11876 |
| Sun Right Ascension | 22h31m38.2s |
| Sun Declination | -09°15'46.7" |
| Sun Semi-Diameter | 16'09.4" |
| Sun Equatorial Horizontal Parallax | 08.9" |
| Moon Right Ascension | 22h29m32.0s |
| Moon Declination | -08°14'50.7" |
| Moon Semi-Diameter | 16'42.7" |
| Moon Equatorial Horizontal Parallax | 1°01'19.9" |
| ΔT | 41.3 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.
| February 10 Descending node (full moon) |
February 25 Ascending node (new moon) |
|---|---|
| File:Lunar eclipse chart close-1971Feb10.png | File:SE1971Feb25P.png |
| Total lunar eclipse Lunar Saros 123 |
Partial solar eclipse Solar Saros 149 |
Related eclipses
Eclipses in 1971
- A total lunar eclipse on February 10.
- A partial solar eclipse on February 25.
- A partial solar eclipse on July 22.
- A total lunar eclipse on August 6.
- A partial solar eclipse on August 20.
Metonic
- Preceded by: Solar eclipse of May 9, 1967
- Followed by: Solar eclipse of December 13, 1974
Tzolkinex
- Preceded by: Solar eclipse of January 14, 1964
- Followed by: Solar eclipse of April 7, 1978
Half-Saros
- Preceded by: Lunar eclipse of February 19, 1962
- Followed by: Lunar eclipse of March 1, 1980
Tritos
- Preceded by: Solar eclipse of March 27, 1960
- Followed by: Solar eclipse of January 25, 1982
Solar Saros 149
- Preceded by: Solar eclipse of February 14, 1953
- Followed by: Solar eclipse of March 7, 1989
Inex
- Preceded by: Solar eclipse of March 16, 1942
- Followed by: Solar eclipse of February 5, 2000
Triad
- Preceded by: Solar eclipse of April 25, 1884
- Followed by: Solar eclipse of December 26, 2057
Solar eclipses of 1968–1971
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.[3]
The partial solar eclipse on July 22, 1971 occurs in the next lunar year eclipse set.
| Solar eclipse series sets from 1968 to 1971 | ||||||
|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||
| Saros | Map | Gamma | Saros | Map | Gamma | |
| 119 | March 28, 1968 File:SE1968Mar28P.png Partial |
−1.037 | 124 | September 22, 1968 File:SE1968Sep22T.png Total |
0.9451 | |
| 129 | March 18, 1969 File:SE1969Mar18A.png Annular |
−0.2704 | 134 | September 11, 1969 File:SE1969Sep11A.png Annular |
0.2201 | |
| 139 File:C72pct (4321372614).jpg Totality in Williamston, NC USA |
March 7, 1970 File:SE1970Mar07T.png Total |
0.4473 | 144 | August 31, 1970 File:SE1970Aug31A.png Annular |
−0.5364 | |
| 149 | February 25, 1971 File:SE1971Feb25P.png Partial |
1.1188 | 154 | August 20, 1971 File:SE1971Aug20P.png Partial |
−1.2659 | |
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Saros 149
Template:Solar Saros series 149
Metonic series
Template:Solar Metonic series 1898–1982
Tritos series
Template:Solar Tritos series 2003 November 23
Inex series
Template:Solar Inex series 2000 February 5
References
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External links
- Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
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