January 1973 lunar eclipse

A penumbral lunar eclipse took place on Thursday, January 18, 1973, the first of four lunar eclipses in 1973, the second being with a penumbral lunar eclipse on Friday, June 15, the third being with a penumbral lunar eclipse on Sunday, July 15, and the last being with a partial lunar eclipse on Monday, December 10.^[1]

• 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 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

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 partial solar eclipses of Solar Saros 150.

January 14, 1964	January 25, 1982

• List of lunar eclipses
• List of 20th-century lunar eclipses

• 1973 Jan 18 chart Eclipse Predictions by Fred Espenak, NASA/GSFC

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