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.