A penumbral lunar eclipse took place on Wednesday, January 30, 1991, the first of four lunar eclipses in 1991.[1]

Visibility

Relations to other lunar eclipses

Eclipses of 1991

Saros series

This eclipse is part of Saros cycle series 143.

Lunar year series

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

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 150.

January 25, 1982 February 5, 2000

Tzolkinex

See also

Notes

  1. Hermit Eclipse: Saros cycle 143
  2. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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