A penumbral lunar eclipse took place on Friday, June 15, 1973, the second of four lunar eclipses in 1973, the first was a penumbral lunar eclipse on Thursday, January 18, 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]

Visibility

Eclipses in 1973

Lunar year series

Lunar eclipse series sets from 1973–1976
Ascending node   Descending node
Saros Date
Viewing		 Type
Chart		 Gamma Saros Date
Viewing		 Type
Chart		 Gamma
110 1973 Jun 15
 Penumbral
 −1.32166 115 1973 Dec 10
 Partial
 0.96441
120 1974 Jun 04
 Partial
 −0.54887 125 1974 Nov 29
 Total
 0.30540
130 1975 May 25
 Total
 0.23674 135 1975 Nov 18
 Total
 −0.41343
140 1976 May 13
 Partial
 0.95860 145 1976 Nov 06
 Penumbral
 −1.12760
Last set 1973 Jul 15 Last set 1973 Jan 18
Next set 1977 Apr 04 Next set 1977 Sep 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 partial solar eclipses of Solar Saros 117.

June 10, 1964 June 21, 1982

See also

Notes

  1. ↑ Hermit Eclipse: Saros cycle 110
  2. ↑ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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