| 词条 | July 1991 lunar eclipse | ||
| 释义 |
A penumbral lunar eclipse took place on Friday, July 26, 1991, the third of four lunar eclipses in 1991. This was the 2nd member of Lunar Saros 148. The previous event was on 15 July 1973, and the 1st eclipse of the series. The next event will be on 6 August 2009.[1] VisibilityRelations to other lunar eclipsesSaros seriesThis eclipse is part of Saros cycle series 148. 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 155.
See also
Notes1. ^Hermit Eclipse: Saros cycle 148 2. ^Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros External links
3 : 20th-century lunar eclipses|1991 in science|July 1991 events |
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