October 1966 lunar eclipse

A penumbral lunar eclipse took place on Saturday, October 29, 1966, the second of two lunar eclipses in 1966. This was a deep penumbral eclipse, with over 90% within Penumbral Shadow.^[1]

Visibility[edit]

Related lunar eclipses[edit]

Lunar year series[edit]

Lunar eclipse series sets from 1966–1969
Descending node				Ascending node
Saros	Date Viewing	Type Chart	Gamma	Saros	Date Viewing	Type Chart	Gamma
111	1966 May 4	Penumbral	1.05536	116	1966 Oct 29	Penumbral	−1.05999
121	1967 Apr 24	Total	0.29722	126	1967 Oct 18	Total	−0.36529
131	1968 Apr 13	Total	−0.41732	136	1968 Oct 6	Total	0.36054
141	1969 Apr 2	Penumbral	−1.17648	146	1969 Sep 25	Penumbral	1.06558

Last set	1965 Jun 14			Last set	1965 Dec 8

Next set	1970 Feb 21			Next set	1969 Aug 27

Metonic series[edit]

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)

Half-Saros cycle[edit]

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 solar eclipses of Solar Saros 123.