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 |
|
|
|
|
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.
| October 23, 1957 | November 3, 1975 |
|---|---|
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|
See also edit
Notes edit
- ^ Hermit Eclipse: Saros cycle 116
- ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links edit
- 1966 Oct 29 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
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