September 1979 lunar eclipse
A total lunar eclipse took place on Thursday, September 6, 1979, the second of two lunar eclipses in 1979. A shallow total eclipse saw the Moon in relative darkness for 44 minutes and 24.7 seconds. The Moon was 9.358% of its diameter into the Earth's umbral shadow, and should have been significantly darkened. The partial eclipse lasted for 3 hours, 11 minutes and 54.1 seconds in total.[1]
| Total Lunar Eclipse September 6, 1979 | |
|---|---|
| (No photo) | |
|  The moon passes west to east (right to left) across the Earth's umbral shadow, shown in hourly intervals. | |
| Series | 137 (24 of 81) | 
| Duration (hr:mn:sc) | |
| Totality | 0:44:24.7 | 
| Partial | 3:11:54.1 | 
| Penumbral | 5:05:15.4 | 
| Contacts | |
| P1 | 08:21:34.5 UTC | 
| U1 | 09:18:14.6 | 
| U2 | 10:31:59.4 | 
| Greatest | 10:54:11.9 | 
| U3 | 11:16:24.1 | 
| U4 | 12:30:08.8 | 
| P4 | 13:26:49.9 | 
This event followed the annular solar eclipse of August 22, 1979.
Visibility
    

Related lunar eclipses
    
    Eclipses in 1979
    
- A total solar eclipse on Monday, 26 February 1979.
- A partial lunar eclipse on Tuesday, 13 March 1979.
- An annular solar eclipse on Wednesday, 22 August 1979.
- A total lunar eclipse on Thursday, 6 September 1979.
Lunar year series
    
| Lunar eclipse series sets from 1977–1980 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||||
| Saros | Date Viewing | Type Chart | Gamma | Saros | Date Viewing | Type Chart | Gamma | |
| 112 | 1977 Apr 04  | Partial  | -0.91483 | 117 | 1977 Sep 27  | Penumbral  | 1.07682 | |
| 122 | 1978 Mar 24  | Total  | -0.21402 | 127 | 1978 Sep 16  | Total  | 0.29510 | |
| 132 | 1979 Mar 13  | Partial  | 0.52537 | 137 | 1979 Sep 06  | Total  | -0.43050 | |
| 142 | 1980 Mar 01  | Penumbral  | 1.22701 | 147 | 1980 Aug 26  | Penumbral  | -1.16082 | |
| Last set | 1976 May 13 | Last set | 1976 Nov 06 | |||||
| Next set | 1981 Jan 20 | Next set | 1980 Jul 27 | |||||
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 144.
| August 31, 1970 | September 11, 1988 | 
|---|---|
|  |  | 
See also
    
    
Notes
    
- Hermit Eclipse: Saros cycle 137
- Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
    
- 1979 Sep 06 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
- September 6, 1979, a Lunar Eclipse
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