A penumbral lunar eclipse occurred at the Moon’s ascending node of orbit on Sunday, June 5, 1955, with an umbral magnitude of −0.4498. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into 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 11 hours after apogee (on June 5, 1955, at 3:45 UTC), the Moon's apparent diameter was smaller.
Visibility The eclipse was completely visible over east, Australia, and Antarctica, seen rising over the western half of Asia and east Africa and setting over the eastern Pacific Ocean.
Eclipse details Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.
+June 5, 1955 Lunar Eclipse Parameters Parameter Value Penumbral Magnitude 0.62181 Umbral Magnitude −0.44978 Gamma −1.23842 Sun Right Ascension 04h51m12.9s Sun Declination +22°30'11.9" Sun Semi-Diameter 15'45.8" Sun Equatorial Horizontal Parallax 08.7" Moon Right Ascension 16h51m07.1s Moon Declination -23°37'02.2" Moon Semi-Diameter 14'42.6" Moon Equatorial Horizontal Parallax 0°53'59.1" ΔT 31.2 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 June 1955 June 5Ascending node (full moon) June 20Descending node (new moon) Penumbral lunar eclipseLunar Saros 110 Total solar eclipseSolar Saros 136
Related eclipses Eclipses in 1955 A penumbral lunar eclipse on January 8. A penumbral lunar eclipse on June 5. A total solar eclipse on June 20. A partial lunar eclipse on November 29. An annular solar eclipse on December 14.
Metonic Preceded by: Lunar eclipse of August 17, 1951 Followed by: Lunar eclipse of March 24, 1959
Tzolkinex Preceded by: Lunar eclipse of April 23, 1948 Followed by: Lunar eclipse of July 17, 1962
Half-Saros Preceded by: Solar eclipse of May 30, 1946 Followed by: Solar eclipse of June 10, 1964
Tritos Preceded by: Lunar eclipse of July 6, 1944 Followed by: Lunar eclipse of May 4, 1966
Lunar Saros 110 Preceded by: Lunar eclipse of May 25, 1937 Followed by: Lunar eclipse of June 15, 1973
Inex Preceded by: Lunar eclipse of June 25, 1926 Followed by: Lunar eclipse of May 15, 1984
Triad Preceded by: Lunar eclipse of August 3, 1868 Followed by: Lunar eclipse of April 5, 2042
Lunar eclipses of 1955–1958
Saros 110
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 partial solar eclipses of Solar Saros 117. May 30, 1946June 10, 1964
See also List of lunar eclipses List of 20th-century lunar eclipses
Notes
External links