A partial
lunar eclipse
A lunar eclipse occurs when the Moon moves into the Earth's shadow. Such alignment occurs during an eclipse season, approximately every six months, during the full moon phase, when the Moon's orbital plane is closest to the plane of the Eart ...
took place on Friday, July 17, 1981, the second of two lunar eclipses in 1981. The Earth's shadow on the Moon was clearly visible in this eclipse, with 55% of the Moon in shadow; the partial eclipse lasted for 2 hours and 43 minutes.
Visibility
The partial phase of this lunar eclipse was visible in southeastern North America, South America, western Africa, seen rising over northern North America, and setting over Western Europe and Eastern Africa.
Related lunar eclipses
Eclipses in 1981
*
A penumbral lunar eclipse on Tuesday, 20 January 1981.
*
An annular solar eclipse on Wednesday, 4 February 1981.
* A partial lunar eclipse on Friday, 17 July 1981.
*
A total solar eclipse on Friday, 31 July 1981.
Lunar year series
Saros series
It was part of
Saros series 119.
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 total solar eclipses of
Solar Saros 126
Saros cycle series 126 for solar eclipse
A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of the Earth, totally or partially. Such an alignment occurs during a ...
.
Tritos series
* Preceded:
Lunar eclipse of August 17, 1970
* Followed:
Lunar eclipse of June 15, 1992
Tzolkinex
* Preceded:
Lunar eclipse of June 4, 1974
* Followed:
Lunar eclipse of August 27, 1988
See also
*
List of lunar eclipses
There are several lists of lunar eclipses
On the Moon, by the Earth
; Type
* List of central lunar eclipses
* Total penumbral lunar eclipse
A total penumbral lunar eclipse is a lunar eclipse that occurs when the Moon becomes completely immersed ...
*
List of 20th-century lunar eclipses
A total of 229 lunar eclipses took place in the 20th century: 83 penumbral, 65 partial and 81 total.
See also: Lists of lunar eclipses, List of 19th-century lunar eclipses and List of 21st-century lunar eclipses
List
Eclipses from 2001 to ...
Notes
External links
*
1981-07
1981 in science
July 1981 events
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