October 1985 lunar eclipse

A total lunar eclipse took place on Monday, October 28, 1985, the second of two total lunar eclipses in 1985, the first being on May 4, 1985.^[1]

• A total lunar eclipse on May 4.
• A partial solar eclipse on May 19.
• A total lunar eclipse on October 28.
• A total solar eclipse on November 12.

Lunar eclipse series sets from 1984–1987
Descending node					Ascending node
Saros	Date Viewing	Type Chart	Gamma		Saros	Date Viewing	Type Chart	Gamma
111	1984 May 15	Penumbral	1.11308		116	1984 Nov 08	Penumbral	−1.08998
121	1985 May 04	Total	0.35197		126	1985 Oct 28	Total	−0.40218
131	1986 Apr 24	Total	−0.36826		136	1986 Oct 17	Total	0.31887
141	1987 Apr 14	Penumbral	−1.13641		146	1987 Oct 07	Penumbral	1.01890
Last set	1984 Jun 13				Last set	1983 Dec 20
Next set	1988 Mar 03				Next set	1988 Aug 27

It is part of saros series 126.

Lunar saros series 126, repeating every 18 years and 11 days, has a total of 70 lunar eclipse events including 14 total lunar eclipses. Solar Saros 133 interleaves with this lunar saros with an event occurring every 9 years 5 days alternating between each saros series.

First penumbral lunar eclipse: 18 July 1228

First partial lunar eclipse: 24 March 1625

First total lunar eclipse: 19 June 1769

First central lunar eclipse: 11 July 1805

Greatest eclipse of the lunar saros 126: 13 August 1859, lasting 106 minutes.

Last central lunar eclipse: 26 September 1931

Last total lunar eclipse: 9 November 2003

Last partial lunar eclipse: 5 June 2346

Last penumbral lunar eclipse: 19 August 2472

1901-2100

15 September 1913

26 September 1931

7 October 1949

18 October 1967

28 October 1985

9 November 2003

19 November 2021

30 November 2039

11 December 2057

22 December 2075

1 January 2094

This eclipse is the second of four Metonic cycle lunar eclipses on the same date, October 28–29, each separated by 19 years:

The metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year. Because it occurs on the same calendar date, the Earth's shadow will in nearly the same location relative to the background stars.

Metonic events: May 4 and October 28
Descending node	Ascending node
1966 May 4 - Penumbral (111) 1985 May 4 - Total (121) 2004 May 4 - Total (131) 2023 May 5 - Penumbral (141)	1966 Oct 29 - Penumbral (116) 1985 Oct 28 - Total (126) 2004 Oct 28 - Total (136) 2023 Oct 28 - Partial (146) 2042 Oct 28 - Penumbral (156)

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).^[2] This lunar eclipse is related to two total solar eclipses of Solar Saros 133.

October 23, 1976	November 3, 1994

• List of lunar eclipses
• List of 20th-century lunar eclipses

• 1985 Oct 28 chart Eclipse Predictions by Fred Espenak, NASA/GSFC

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