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October 1948 lunar eclipse

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A penumbral lunar eclipse took place on 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