A partial lunar eclipse occurred at the Moon's ascending node of orbit on Thursday, March 12, 1914, with an umbral magnitude of 0.9111. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring only about 18 hours before perigee (on March 12, 1914, at 22:20 UTC), the Moon's apparent diameter was larger.

Visibility The eclipse was completely visible over North America, South America, and west Africa, seen rising over northwestern North America and the central Pacific Ocean and setting over much of Africa, Europe, and west and central Asia.

Eclipse details Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.

+March 12, 1914 Lunar Eclipse Parameters Parameter Value Penumbral Magnitude 1.87639 Umbral Magnitude 0.91108 Gamma −0.52543 Sun Right Ascension 23h26m01.9s Sun Declination -03°39'56.2" Sun Semi-Diameter 16'05.6" Sun Equatorial Horizontal Parallax 08.8" Moon Right Ascension 11h24m59.9s Moon Declination +03°11'46.2" Moon Semi-Diameter 16'40.3" Moon Equatorial Horizontal Parallax 1°01'11.2" ΔT 16.0 s

Eclipse season

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.

+ Eclipse season of February–March 1914 February 25Ascending node (new moon) March 12Descending node (full moon) Annular solar eclipseSolar Saros 119 Partial lunar eclipseLunar Saros 131

Related eclipses Eclipses in 1914 An annular solar eclipse on February 25. A partial lunar eclipse on March 12. A total solar eclipse on August 21. A partial lunar eclipse on September 4.

Metonic Preceded by: Lunar eclipse of May 24, 1910 Followed by: Lunar eclipse of December 28, 1917

Tzolkinex Preceded by: Lunar eclipse of January 29, 1907 Followed by: Lunar eclipse of April 22, 1921

Half-Saros Preceded by: Solar eclipse of March 6, 1905 Followed by: Solar eclipse of March 17, 1923

Tritos Preceded by: Lunar eclipse of April 12, 1903 Followed by: Lunar eclipse of February 8, 1925

Lunar Saros 131 Preceded by: Lunar eclipse of February 28, 1896 Followed by: Lunar eclipse of March 22, 1932

Inex Preceded by: Lunar eclipse of March 30, 1885 Followed by: Lunar eclipse of February 20, 1943

Triad Preceded by: Lunar eclipse of May 11, 1827 Followed by: Lunar eclipse of January 9, 2001

Lunar eclipses of 1912–1915 This eclipse is a member of a semester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.

The penumbral lunar eclipses on January 31, 1915 and July 26, 1915 occur in the next lunar year eclipse set.

Lunar eclipse series sets from 1912 to 1915 Descending node  Ascending node Saros DateViewing TypeChart Gamma Saros DateViewing TypeChart Gamma 111 1912 Apr 01Partial 0.9116 116 1912 Sep 26Partial −0.9320 121 1913 Mar 22Total 0.1671 126 1913 Sep 15Total −0.2109 131 1914 Mar 12Partial −0.5254 136 1914 Sep 04Partial 0.5301 141 1915 Mar 01Penumbral −1.2573 146 1915 Aug 24Penumbral 1.2435

Saros 131

Tritos series

Inex series

Half-Saros cycle A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros This lunar eclipse is related to two annular solar eclipses of Solar Saros 138. March 6, 1905March 17, 1923

See also List of lunar eclipses List of 20th-century lunar eclipses

Notes

External links