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August 1990 lunar eclipse

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Partial Lunar Eclipse
August 6, 1990
(No photo)

The moon passes west to east (right to left) across the Earth's umbral shadow, shown in hourly intervals.
Series 138 (28 of 83)
Gamma 0.6374
Magnitude 0.6766
Duration (hr:mn:sc)
Partial 2:55:30
Penumbral 5:22:00
Contacts ((UTC))
P1 11:32:16
U1 12:45:31
Greatest 14:13:16
U4 15:41:01
P4 16:54:16

A partial lunar eclipse took place on Monday, August 6, 1990, the second of two lunar eclipses in 1990.

Visibility

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Relations to other lunar eclipses

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Eclipses of 1990

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Lunar year series

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Lunar eclipse series sets from 1988–1991
Descending node   Ascending node
Saros Date Type
Viewing
Gamma Saros Date
Viewing
Type
Chart
Gamma
113 1988 Mar 03
Penumbral
0.98855 118 1988 Aug 27
Partial
−0.86816
123 1989 Feb 20
Total
0.29347 128 1989 Aug 17
Total
−0.14905
133 1990 Feb 09
Total
−0.41481 138 1990 Aug 06
Partial
0.63741
143 1991 Jan 30
Penumbral
−1.07522 148 1991 Jul 26
Penumbral
1.43698
Last set 1987 Apr 14 Last set 1987 Oct 07
Next set 1991 Dec 21 Next set 1991 Jun 27

Saros series

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Lunar saros series 138 has 26 total eclipses between September 7, 2044 and March 24, 2369. The longest eclipse will be on January 7, 2243, and last for 102 minutes.

Partial eclipses will occur between June 24, 1918 and August 13, 2603. Penumbral eclipses will occur between October 15, 1521 and March 30, 2982. [1]

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 145.

July 31, 1981 August 11, 1999

See also

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Notes

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  1. ^ Hermit Eclipse: Eclipse Saros 138
  2. ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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