January 1999 lunar eclipse
A penumbral lunar eclipse took place on Sunday, January 31, 1999, the first of two lunar eclipses in 1999. This was a relatively rare total penumbral lunar eclipse with the moon passing entirely within the penumbral shadow without entering the darker umbral shadow.[1]
Visibility
File:Lunar eclipse from moon-1999Jan31.png
Images
File:Penumbral lunar eclipse 1999 jan 31.png
This simulated view compares this penumbral eclipse (left) to the full moon (right) as it appeared an hour before the eclipse.
Related lunar eclipses
Eclipses of 1999
- A penumbral lunar eclipse on January 31.
- An annular solar eclipse on February 16.
- A partial lunar eclipse on July 28.
- A total solar eclipse on August 11.
Lunar year series
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Saros series
Lunar Saros series 114, repeating every 18 years and 11 days, has a total of 71 lunar eclipse events including 13 total lunar eclipses. First Penumbral Lunar Eclipse: 0971 May 13 First Partial Lunar Eclipse: 1115 Aug 07 First Total Lunar Eclipse: 1458 Feb 28 First Central Lunar Eclipse: 1530 Apr 12 Greatest Eclipse of Lunar Saros 114: 1584 May 24 Last Central Lunar Eclipse: 1638 Jun 26 Last Total Lunar Eclipse: 1674 Jul 17 Last Partial Lunar Eclipse: 1890 Nov 26 Last Penumbral Lunar Eclipse: 2233 Jun 22
Half-Saros cycle
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 annular solar eclipses of Solar Saros 121.
| January 26, 1990 | February 7, 2008 |
|---|---|
| File:SE1990Jan26A.png | File:SE2008Feb07A.png |
See also
Notes
- ↑ Total Penumbral Lunar Eclipses, Jean Meeus, June 1980
- ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
- 1999 Jan 31 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
- Saros cycle 114
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