July 1973 lunar eclipse
| Penumbral eclipse | |||||||||
| Date | 15 July 1973 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Gamma | 1.51782 | ||||||||
| Magnitude | 0.10468 | ||||||||
| Saros cycle | 148 (1 of 71) | ||||||||
| Penumbral | 99 minutes, 8 seconds | ||||||||
| |||||||||
A penumbral lunar eclipse took place on Sunday, July 15, 1973, the third of four lunar eclipses in 1973, the first was a penumbral lunar eclipse on Thursday, January 18, the second was a penumbral lunar eclipse on Friday, June 15, and the last being with a partial lunar eclipse on Monday, December 10.
This is the last lunar eclipse of Lunar eclipse set 1969–1973, but it is the first lunar eclipse of Saros series 148.
Visibility
[edit]
Relation to other lunar eclipses
[edit]Eclipses in 1973
[edit]- An annular solar eclipse on Thursday, 4 January 1973.
- A penumbral lunar eclipse on Thursday, 18 January 1973.
- A penumbral lunar eclipse on Friday, 15 June 1973.
- A total solar eclipse on Saturday, 30 June 1973.
- A penumbral lunar eclipse on Sunday, 15 July 1973.
- A partial lunar eclipse on Monday, 10 December 1973.
- An annular solar eclipse on Monday, 24 December 1973.
Lunar year series
[edit]| Lunar eclipse series sets from 1969–1973 | ||||||||
|---|---|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||||
| Saros | Date Viewing |
Type Chart |
Gamma | Saros | Date Viewing |
Type Chart |
Gamma | |
| 108 | 1969 Aug 27
|
Penumbral
|
−1.54066 | 113 | 1970 Feb 21
|
Partial
|
0.96198 | |
| 118 | 1970 Aug 17
|
Partial
|
−0.80534 | 123 | 1971 Feb 10
|
Total
|
0.27413 | |
| 128 | 1971 Aug 06
|
Total
|
−0.07944 | 133 | 1972 Jan 30
|
Total
|
−0.42729 | |
| 138 | 1972 Jul 26
|
Partial
|
0.71167 | 143 | 1973 Jan 18
|
Penumbral
|
−1.08446 | |
| 148 | 1973 Jul 15
|
Penumbral
|
1.51782 | |||||
| Last set | 1969 Sep 25 | Last set | 1969 Apr 02 | |||||
| Next set | 1973 Jun 15 | Next set | 1973 Dec 10 | |||||
Half-Saros cycle
[edit]A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[1] This lunar eclipse is related to two partial solar eclipses of Solar Saros 155 on the third and fourth columns.
| June 17, 1928 | June 29, 1946 | July 9, 1964 | July 20, 1982 |
|---|---|---|---|
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See also
[edit]Notes
[edit]- ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
[edit]- 1973 Jul 15 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
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