June 1974 lunar eclipse

A partial lunar eclipse took place on Tuesday, June 4, 1974, the first of two lunar eclipses in 1974. The Moon was strikingly shadowed in this deep partial eclipse which lasted 3 hours and 14 minutes, with 82.695% of the Moon in darkness at maximum. Occurring 4.5 days before apogee (Apogee on Sunday, June 9, 1974), the Moon's apparent diameter was 4.4% smaller than average.[1]

June 1974 lunar eclipse
Partial eclipse
Date4 June 1974
Gamma−0.54887
Magnitude0.82695
Saros cycle120 (56 of 74)
Partiality193 minutes, 37.1 seconds
Penumbral341 minutes, 9.5 seconds
Contacts (UTC)
P119:25:25.4 (4 Jun)
U120:39:08.1 (4 Jun)
Greatest22:15:58.8 (4 Jun)
U423:52:45.2 (4 Jun)
P401:06:34.9 (5 Jun)

Visibility

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Saros series

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It was part of Saros series 120.

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 total solar eclipses of Solar Saros 127.

May 30, 1965 June 11, 1983
   

Eclipses in 1974

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Lunar year series

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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

Tritos series

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Tzolkinex

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See also

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Notes

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  1. ^ Hermit Eclipse: Saros cycle 120
  2. ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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