October 1948 lunar eclipse

A penumbral lunar eclipse took place on Monday, October 18, 1948. It was a relatively rare total penumbral lunar eclipse where the moon passes entirely within the penumbral shadow, but not at all in the darker umbral shadow. In a rare total penumbral eclipse, the entire Moon was partially shaded by the Earth (though none of it was in complete shadow), and the shading across the Moon should have been quite visible at maximum eclipse. The penumbral phase lasted for 4 hours and 40 minutes in all, though for most of it, the eclipse was extremely difficult or impossible to see.

Visibility

Lunar year series
Lunar eclipse series sets from 1947–1951
Descending node   Ascending node
Saros Date
Viewing		 Type
Chart		 Saros Date
Viewing		 Type
Chart
111 1948 Apr 23
 Partial
 116 1948 Oct 18
 Penumbral
121 1949 Apr 13
 Total
 126 1949 Oct 07
 Total
131 1950 Apr 02
 Total
 136 1950 Sep 26
 Total
141 1951 Mar 23
 Penumbral
 146 1951 Sep 15
 Penumbral

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[1] This lunar eclipse is related to two total solar eclipses of Solar Saros 123.

October 12, 1939 October 23, 1957

See also

Notes
  1. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros


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