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November 1937 lunar eclipse

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Partial lunar eclipse November 18, 1937
November 1937 lunar eclipse
Partial eclipse
The Moon's hourly motion shown right to left
DateNovember 18, 1937
Gamma0.9421
Magnitude0.1443
Saros cycle115 (53 of 72)
Partiality81 minutes, 19 seconds
Penumbral254 minutes, 32 seconds
Contacts (UTC)
P16:11:47
U17:38:24
Greatest8:19:02
U48:59:43
P410:26:19
← May 1937May 1938 →

A partial lunar eclipse occurred at the Moon’s descending node of orbit on Thursday, November 18, 1937, with an umbral magnitude of 0.1443. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A partial lunar eclipse occurs when one part of the Moon is in the Earth's umbra, while the other part is in the Earth's penumbra. Unlike a solar eclipse, which can only be viewed from a relatively small area of the world, a lunar eclipse may be viewed from anywhere on the night side of Earth. Occurring only about 18 hours before perigee (on November 19, 1937, at 0:30 UTC), the Moon's apparent diameter was larger.

Visibility

The eclipse was completely visible over much of northeast Asia, North America, and northwestern South America, seen rising over east Asia and Australia and setting over much of South America, west Africa, and western Europe.

Eclipse details

Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.

November 18, 1937 Lunar Eclipse Parameters
Parameter Value
Penumbral Magnitude 1.11408
Umbral Magnitude 0.14432
Gamma 0.94213
Sun Right Ascension 15h32m59.8s
Sun Declination -19°09'44.0"
Sun Semi-Diameter 16'11.0"
Sun Equatorial Horizontal Parallax 08.9"
Moon Right Ascension 03h32m24.7s
Moon Declination +20°06'50.3"
Moon Semi-Diameter 16'41.3"
Moon Equatorial Horizontal Parallax 1°01'14.9"
ΔT 23.9 s

Eclipse season

See also: Eclipse cycle

This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.

Eclipse season of November–December 1937
November 18
Descending node (full moon)
December 2
Ascending node (new moon)
Partial lunar eclipse
Lunar Saros 115
Annular solar eclipse
Solar Saros 141

Related eclipses

Eclipses in 1937

Metonic

Tzolkinex

Half-Saros

Tritos

Lunar Saros 115

Inex

Triad

Lunar eclipses of 1937–1940

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

Half-Saros cycle

A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros). This lunar eclipse is related to two partial solar eclipses of Solar Saros 122.

November 12, 1928 November 23, 1946

See also

Notes

  1. "November 17–18, 1937 Partial Lunar Eclipse". timeanddate. Retrieved 18 December 2024.
  2. "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 18 December 2024.
  3. "Partial Lunar Eclipse of 1937 Nov 18" (PDF). NASA. Retrieved 18 December 2024.
  4. "Partial Lunar Eclipse of 1937 Nov 18". EclipseWise.com. Retrieved 18 December 2024.
  5. Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros

External links

Lunar eclipses
Lists of lunar eclipses
Lunar eclipses
by era
Lunar eclipses
by saros series
August 2017 lunar eclipse
Partial eclipses
May 2022 lunar eclipse
Total eclipses
February 2017 lunar eclipse
Penumbral eclipses
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