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July 1991 lunar eclipse

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A penumbral lunar eclipse took place on Friday, July 26, 1991, the third of four lunar eclipses in 1991. This was the second member of Lunar Saros 148. The previous event was on 15 July 1973, and the first eclipse of the series. The next event was on 6 August 2009.[1]

Visibility

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Relations to other lunar eclipses

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Eclipses of 1991

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Saros series

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This eclipse is part of Saros cycle series 148.

Lunar year series

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Lunar eclipse series sets from 1988–1991
Descending node   Ascending node
Saros Date
viewing
Type
chart
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

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 155.

July 20, 1982 July 31, 2000

See also

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Notes

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  1. ^ Hermit Eclipse: Saros cycle 148
  2. ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
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