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]
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]
| 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 | |||||
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 |
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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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A penumbral lunar eclipse took place on April 24, 2005, the first of two lunar eclipses in 2005. At maximum eclipse, 86.5% of the Moon's disc was partially shaded by the Earth, which caused a slight shadow gradient across its disc; this subtle effect may have been visible to careful observers. No part of the Moon was in complete shadow. The eclipse lasted 4 hours and 6 minutes overall, and was visible from east Asia, Australia, and the Americas.
A partial lunar eclipse took place on Monday, October 17, 2005, the second of two lunar eclipses in 2005. A tiny bite out of the Moon may have been visible at maximum, though just 6.25% of the Moon was shadowed in a partial eclipse which lasted for nearly 56 minutes and was visible over east Asia, Australasia, and most of the North America. A shading across the moon from the Earth's penumbral shadow should have been visible at maximum eclipse.
A penumbral lunar eclipse took place on 14 March 2006, the first of two lunar eclipses in 2006.
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.
A partial lunar eclipse took place on Saturday, August 27, 1988, the second of two lunar eclipses in 1988, the first being on March 3, 1988. The Earth's shadow on the moon was clearly visible in this eclipse, with 29.159% of the Moon in shadow; the partial eclipse lasted for 1 hour, 52 minutes and 59.7 seconds. The Moon was only 5 hours and 48 minutes before perigee, making it 6.3% larger than average
A partial lunar eclipse took place on Saturday, December 21, 1991, the last of four lunar eclipses in 1991. The moon grazed the northern edge of the umbral shadow.
A penumbral lunar eclipse took place on Thursday, March 3, 1988, the first of two lunar eclipses in 1988, the second being on August 27, 1988. Earlier sources compute this as a 0.3% partial eclipse lasting under 14 minutes, and newest calculations list it as a penumbral eclipse that never enters the umbral shadow. In a rare total penumbral eclipse, the entire Moon was partially shaded by the Earth, and the shading across the Moon should have been quite visible at maximum eclipse. The penumbral phase lasted for 4 hours, 53 minutes and 50.6 seconds in all, though for most of it, the eclipse was extremely difficult or impossible to see. The Moon was 2.2 days after apogee, making it 6.1% smaller than average.
A penumbral lunar eclipse took place on Thursday, June 27, 1991, the second of four lunar eclipses in 1991. The moon entered the Earth's penumbra for about 3 hours, and was difficult to see. This lunar eclipse is the predecessor of the Solar eclipse of July 11, 1991.
A penumbral lunar eclipse took place on Thursday, November 8, 1984, the last of three lunar eclipses in 1984. This subtle penumbral eclipse may have been visible to a skilled observer at maximum eclipse. 90% of the Moon's disc was partially shaded by the Earth, which caused a gentle shadow gradient across its disc at maximum; the eclipse as a whole lasted 4 hours and 28 minutes.
A penumbral lunar eclipse took place on Tuesday, May 15, 1984, the first of three lunar eclipses in 1984. This was a deep penumbral eclipse, with the southern limb of the Moon close to the Earth's shadow.
A penumbral lunar eclipse occurred on Friday, 5 May 2023, the first of two lunar eclipses in 2023. The moon's apparent diameter was 0.1% larger than average because it occurred 5.5 days before perigee. This was the deepest penumbral eclipse since February 2017 and until September 2042.
A partial lunar eclipse will take place on Saturday, 28 October 2023.
A penumbral lunar eclipse will take place on 20–21 February 2027.
A penumbral lunar eclipse will take place on Tuesday, August 17, 2027. It will cause a subtle dimming as 54.56% of the Moon will cross within Earth's penumbral shadow.
A total lunar eclipse took place on Wednesday, October 18, 1967, the second of two total lunar eclipses in 1967, the first being on April 24, 1967.
A penumbral lunar eclipse took place on Wednesday, May 4, 1966, the first of two penumbral lunar eclipses in 1966. It was visible from South America, Europe, Africa, Asia, Australia and Antarctica.
A penumbral lunar eclipse will take place on March 3, 2045.
A total lunar eclipse will take place on September 7, 2044. It will be the first total eclipse in Lunar Saros 138.
A total lunar eclipse will take place on March 13, 2044.
A penumbral lunar eclipse will take place on December 20, 2048.
