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January 1973 lunar eclipse

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January 1973 lunar eclipse
Penumbral eclipse
Date18 January 1973
Gamma−1.08446
Magnitude0.86555
Saros cycle143 (16 of 73)
Penumbral236 minutes, 33.7 seconds
Contacts (UTC)
P119:18:54.5
Greatest21:17:14.0
P423:15:28.2

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]

Visibility

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Relation to other lunar eclipses

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Eclipses in 1973

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Lunar year series

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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

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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

See also

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Notes

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  1. ^ Saros series 118
  2. ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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