| 词条 | January 1991 lunar eclipse | ||
| 释义 |
A penumbral lunar eclipse took place on Wednesday, January 30, 1991, the first of four lunar eclipses in 1991.[1] VisibilityRelations to other lunar eclipsesSaros seriesThis eclipse is part of Saros cycle series 143. Lunar year series{{Lunar eclipse set 1988-1991}}Half-Saros cycleA 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.
See also
Notes1. ^ Hermit Eclipse: Saros cycle 143 2. ^Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros External links
3 : 20th-century lunar eclipses|1991 in science|January 1991 events |
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