A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Monday, October 17, 2005, with an umbral magnitude of 0.0645. 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 about 3.1 days before perigee (on October 14, 2005, at 10:00 UTC), the Moon's apparent diameter was larger.

Visibility The eclipse was completely visible much of Australia, east Asia, and western North America, seen rising over much of Asia and setting over much of North America and western South America.

Hourly motion shown right to leftThe Moon's hourly motion across the Earth's shadow in the constellation of Pisces. Visibility map

Images

Gallery

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

+October 17, 2005 Lunar Eclipse Parameters Parameter Value Penumbral Magnitude 1.06046 Umbral Magnitude 0.06446 Gamma 0.97960 Sun Right Ascension 13h29m41.7s Sun Declination -09°23'29.0" Sun Semi-Diameter 16'03.1" Sun Equatorial Horizontal Parallax 08.8" Moon Right Ascension 01h27m54.2s Moon Declination +10°15'01.0" Moon Semi-Diameter 16'06.9" Moon Equatorial Horizontal Parallax 0°59'08.7" ΔT 64.8 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 October 2005 October 3Descending node (new moon) October 17Ascending node (full moon) Annular solar eclipseSolar Saros 134 Partial lunar eclipseLunar Saros 146

Related eclipses Eclipses in 2005 A hybrid solar eclipse on April 8. A penumbral lunar eclipse on April 24. An annular solar eclipse on October 3. A partial lunar eclipse on October 17.

Metonic Preceded by: Lunar eclipse of December 30, 2001 Followed by: Lunar eclipse of August 6, 2009

Tzolkinex Preceded by: Lunar eclipse of September 6, 1998 Followed by: Lunar eclipse of November 28, 2012

Half-Saros Preceded by: Solar eclipse of October 12, 1996 Followed by: Solar eclipse of October 23, 2014

Tritos Preceded by: Lunar eclipse of November 18, 1994 Followed by: Lunar eclipse of September 16, 2016

Lunar Saros 146 Preceded by: Lunar eclipse of October 7, 1987 Followed by: Lunar eclipse of October 28, 2023

Inex Preceded by: Lunar eclipse of November 6, 1976 Followed by: Lunar eclipse of September 28, 2034

Triad Preceded by: Lunar eclipse of December 17, 1918 Followed by: Lunar eclipse of August 17, 2092

Lunar eclipses of 2002–2005

Metonic series

Saros 146

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 153. October 12, 1996October 23, 2014

See also List of lunar eclipses and List of 21st-century lunar eclipses May 2003 lunar eclipse November 2003 lunar eclipse May 2004 lunar eclipse :File:Visibility Lunar Eclipse 2005-10-17.png :File:2005-10-17 Lunar Eclipse Sketch.gif Chart

References

External links http://www.hermit.org/eclipse/2005-10-17/

http://www.space.com/spacewatch/051014_lunar_eclipse.html https://web.archive.org/web/20090914132101/http://www.astronomy.org.au/ngn/media/client/factsheet_16.pdf Photos http://www.starrynightphotos.com/moon/partial_lunar_eclipse_2005.htm Kaituna, Wairarapa, New Zealand http://outdoors.webshots.com/album/479147839tyCCAg Taipei, Taiwan https://christys-adventuresinlearning.blogspot.com/2008/02/lunar-eclipse-2008.html Seoul, South Korea