January 1981 lunar eclipse
| Penumbral eclipse | |||||||||||||||||
 Chart of the eclipse; ecliptic north is up, hourly motion shown right to left | |||||||||||||||||
| Date | 20 January 1981 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gamma | -1.0141 | ||||||||||||||||
| Magnitude |
| ||||||||||||||||
| Duration | |||||||||||||||||
| Penumbral | 263 minutes, 50 seconds | ||||||||||||||||
| |||||||||||||||||
A penumbral lunar eclipse took place on January 20, 1981.[1]
This was a relatively rare total penumbral lunar eclipse with the moon passing entirely within the penumbral shadow without entering the darker umbral shadow.[2]
Visibility
Related lunar eclipses
Lunar year series
| Descending node | Ascending node | |||||
|---|---|---|---|---|---|---|
| Saros | Date Viewing |
Type Chart |
Saros | Date Viewing |
Type Chart | |
| 109 | 1980 Jul 27 |
Penumbral |
114 | 1981 Jan 20 |
Penumbral | |
| 119 | 1981 Jul 17 |
Partial |
124 | 1982 Jan 09 |
Total | |
| 129 | 1982 Jul 06 |
Total |
134 | 1982 Dec 30 |
Total | |
| 139 | 1983 Jun 25 |
Partial |
144 | 1983 Dec 20 |
Penumbral | |
| 149 | 1984 Jun 13 |
Penumbral | ||||
| Last set | 1980 Aug 26 | Last set | 1980 Mar 13 | |||
| Next set | 1984 May 26 | Next set | 1984 Nov 20 | |||
See also
Notes
External links
- 1981 Jan 20 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
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