| Type: | penumbral |
| Date: | 15 July 1973 |
| Axis: | 1.3745° |
| Gamma: | 1.51782 |
| Magnitude: | 0.10468 |
| Saros Ser: | 148 |
| Saros No: | 1 of 71 |
| Penumbral: | 99 minutes, 8 seconds |
| P1: | 10:49:04.0 |
| Greatest: | 11:38:33.4 |
| P4: | 12:28:12.0 |
| Previous: | June 1973 |
| Next: | December 1973 |
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.
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.