A partial

solar eclipse A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of Earth, totally or partially. Such an alignment occurs approximately every six months, during the eclipse season i ...

occurred at the Moon's

ascending node An orbital node is either of the two points where an orbit intersects a plane of reference to which it is inclined. A non-inclined orbit, which is contained in the reference plane, has no nodes. Planes of reference Common planes of referenc ...

of orbit on Friday, December 13, 1974, with a

magnitude Magnitude may refer to: Mathematics *Euclidean vector, a quantity defined by both its magnitude and its direction *Magnitude (mathematics), the relative size of an object *Norm (mathematics), a term for the size or length of a vector *Order of ...

of 0.8266. A

occurs when the

Moon The Moon is Earth's only natural satellite. It Orbit of the Moon, orbits around Earth at Lunar distance, an average distance of (; about 30 times Earth diameter, Earth's diameter). The Moon rotation, rotates, with a rotation period (lunar ...

passes between

Earth Earth is the third planet from the Sun and the only astronomical object known to Planetary habitability, harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all ...

and the

Sun The Sun is the star at the centre of the Solar System. It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light a ...

, 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 America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

, the

Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...

, extreme northern

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

, and the

Iberian Peninsula The Iberian Peninsula ( ), also known as Iberia, is a peninsula in south-western Europe. Mostly separated from the rest of the European landmass by the Pyrenees, it includes the territories of peninsular Spain and Continental Portugal, comprisin ...

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.

Eclipse season

This eclipse is part of an

eclipse season An eclipse season is a period, roughly every six months, when eclipses occur. Eclipse seasons are the result of the axial parallelism of the Orbit of the Moon, Moon's orbital plane (orbital inclination, tilted five degrees to the ecliptic, Earth ...

, 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 A fortnight is a unit of time equal to 14 days (two weeks). The word derives from the Old English term , meaning "" (or "fourteen days", since the Anglo-Saxons counted by nights). Astronomy and tides In astronomy, a ''lunar fortnight'' is hal ...

Related eclipses

Eclipses in 1974

* A partial lunar eclipse on June 4. * A total solar eclipse on June 20. * A total lunar eclipse on November 29. * A partial solar eclipse on December 13.

Metonic

* Preceded by:

Solar eclipse of February 25, 1971 A partial solar eclipse occurred at the Moon's Lunar node, ascending node of orbit on Thursday, February 25, 1971, with a Magnitude of eclipse, magnitude of 0.7872. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby to ...

* Followed by: Solar eclipse of October 2, 1978

Tzolkinex

* Preceded by:

Solar eclipse of November 2, 1967 A total solar eclipse occurred at the Moon's descending node of orbit on Thursday, November 2, 1967, with a magnitude of 1.0126. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image o ...

* Followed by: Solar eclipse of January 25, 1982

Half-Saros

* Preceded by: Lunar eclipse of December 8, 1965 * Followed by: Lunar eclipse of December 20, 1983

Tritos

* Preceded by: Solar eclipse of January 14, 1964 * Followed by:

Solar eclipse of November 12, 1985 A total solar eclipse occurred at the Moon's Lunar node, descending node of orbit on Tuesday, November 12, 1985, with a Magnitude of eclipse, magnitude of 1.0388. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby tota ...

Solar Saros 151

* Preceded by:

Solar eclipse of December 2, 1956 A partial solar eclipse occurred at the Moon's ascending node of orbit on Sunday, December 2, 1956, with a magnitude of 0.8047. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image o ...

* Followed by: Solar eclipse of December 24, 1992

Inex

* Preceded by:

Solar eclipse of January 3, 1946 A partial solar eclipse occurred at the Moon's descending node of orbit on Thursday, January 3, 1946, with a magnitude of 0.5529. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image ...

* Followed by:

Solar eclipse of November 23, 2003 A total solar eclipse occurred at the Moon's descending node of orbit between Sunday, November 23 and Monday, November 24, 2003, with a magnitude of 1.0379. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or ...

Triad

* Preceded by: Solar eclipse of February 11, 1888 * Followed by:

Solar eclipse of October 13, 2061 An annular solar eclipse will occur at the Moon's descending node of orbit on Thursday, October 13, 2061, with a magnitude of 0.9469. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the im ...

Solar eclipses of 1971–1974

Saros 151

Metonic series

Tritos series

Inex series

References

External links

{{Solar eclipses 1974 in science 1974 12 13 December 1974