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April 1940 lunar eclipse

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A penumbral lunar eclipse took place on Monday, April 22, 1940. This was a deep penumbral eclipse, with the moon southern limb passing close to the northern umbral shadow.

Visibility

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Lunar eclipse series sets from 1937–1940
Ascending node   Descending node
Saros Date
viewing
Type
chart
Saros Date
viewing
Type
chart
110 1937 May 25
Penumbral
115 1937 Nov 18
Partial
120 1938 May 14
Total
125 1938 Nov 07
Total
130 1939 May 03
Total
135 1939 Oct 28
Partial
140 1940 Apr 22
Penumbral
145 1940 Oct 16
Penumbral

Saros series

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It was part of Saros series 140.

Half-Saros cycle

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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 partial solar eclipses of Solar Saros 147.

April 18, 1931 April 28, 1949

Tritos series

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Tzolkinex

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See also

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Notes

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