Solar eclipse of February 14, 1934

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Template:Short description Script error: No such module "Solar eclipse". A total solar eclipse occurred at the Moon's ascending node of orbit between Tuesday, February 13 and Wednesday, February 14, 1934,[1] with a magnitude of 1.0321. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. Occurring only 1.6 days after perigee (on February 12, 1934, at 11:20 UTC), the Moon's apparent diameter was smaller.[2]

Totality was visible from the Dutch East Indies (today's Indonesia), Raj of Sarawak (now belonging to Malaysia), and the South Seas Mandate of Japan (the part now belonging to FS Micronesia). A partial eclipse was visible for parts of East Asia, Southeast Asia, Australia, northern Oceania, Hawaii, and western North America.

The date of this eclipse visible from Asia, February 14, was also Lunar New Year celebrated in multiple countries.

Eclipse details

Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.[3]

February 14, 1934 Solar Eclipse Times
Event Time (UTC)
First Penumbral External Contact 1934 February 13 at 22:05:29.4 UTC
First Umbral External Contact 1934 February 13 at 23:06:39.1 UTC
First Central Line 1934 February 13 at 23:07:11.7 UTC
First Umbral Internal Contact 1934 February 13 at 23:07:44.4 UTC
Greatest Duration 1934 February 14 at 00:33:36.8 UTC
Greatest Eclipse 1934 February 14 at 00:38:41.4 UTC
Ecliptic Conjunction 1934 February 14 at 00:43:45.3 UTC
Equatorial Conjunction 1934 February 14 at 01:02:37.9 UTC
Last Umbral Internal Contact 1934 February 14 at 02:09:25.3 UTC
Last Central Line 1934 February 14 at 02:09:56.3 UTC
Last Umbral External Contact 1934 February 14 at 02:10:27.3 UTC
Last Penumbral External Contact 1934 February 14 at 03:11:47.3 UTC
February 14, 1934 Solar Eclipse Parameters
Parameter Value
Eclipse Magnitude 1.03214
Eclipse Obscuration 1.06531
Gamma 0.48681
Sun Right Ascension 21h47m44.9s
Sun Declination -13°18'50.8"
Sun Semi-Diameter 16'11.6"
Sun Equatorial Horizontal Parallax 08.9"
Moon Right Ascension 21h46m53.7s
Moon Declination -12°52'16.3"
Moon Semi-Diameter 16'28.2"
Moon Equatorial Horizontal Parallax 1°00'26.8"
ΔT 23.9 s

Eclipse season

Script error: No such module "Labelled list hatnote". 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 January–February 1934
January 30
Descending node (full moon)
February 14
Ascending node (new moon)
File:Lunar eclipse chart close-1934Jan30.png File:SE1934Feb14T.png
Partial lunar eclipse
Lunar Saros 113
Total solar eclipse
Solar Saros 139

Related eclipses

Eclipses in 1934

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 139

Inex

Triad

Solar eclipses of 1931–1935

This eclipse is a member of a semester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[4]

The partial solar eclipses on April 18, 1931 and October 11, 1931 occur in the previous lunar year eclipse set, and the solar eclipses on January 5, 1935 (partial), June 30, 1935 (partial), and December 25, 1935 (annular) occur in the next lunar year eclipse set.

Solar eclipse series sets from 1931 to 1935
Descending node   Ascending node
Saros Map Gamma Saros Map Gamma
114 September 12, 1931
File:SE1931Sep12P.png
Partial
1.506 119 March 7, 1932
File:SE1932Mar07A.png
Annular
−0.9673
124 August 31, 1932
File:SE1932Aug31T.png
Total
0.8307 129 February 24, 1933
File:SE1933Feb24A.png
Annular
−0.2191
134 August 21, 1933
File:SE1933Aug21A.png
Annular
0.0869 139 February 14, 1934
File:SE1934Feb14T.png
Total
0.4868
144 August 10, 1934
File:SE1934Aug10A.png
Annular
−0.689 149 February 3, 1935
File:SE1935Feb03P.png
Partial
1.1438
154 July 30, 1935
File:SE1935Jul30P.png
Partial
−1.4259

Saros 139

This eclipse is a part of Saros series 139, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on May 17, 1501. It contains hybrid eclipses from August 11, 1627 through December 9, 1825 and total eclipses from December 21, 1843 through March 26, 2601. There are no annular eclipses in this set. The series ends at member 71 as a partial eclipse on July 3, 2763. Its eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.

The longest duration of totality will be produced by member 61 at 7 minutes, 29.22 seconds on July 16, 2186. This date is the longest solar eclipse computed between 4000 BC and AD 6000.[5] All eclipses in this series occur at the Moon’s ascending node of orbit.[6]

Series members 18–39 occur between 1801 and 2200:
18 19 20
File:SE1807Nov29H.png
November 29, 1807
File:SE1825Dec09H.png
December 9, 1825
File:SE1843Dec21T.png
December 21, 1843
21 22 23
File:SE1861Dec31T.png
December 31, 1861
File:SE1880Jan11T.png
January 11, 1880
File:SE1898Jan22T.png
January 22, 1898
24 25 26
File:SE1916Feb03T.png
February 3, 1916
File:SE1934Feb14T.png
February 14, 1934
File:SE1952Feb25T.png
February 25, 1952
27 28 29
File:SE1970Mar07T.png
March 7, 1970
File:SE1988Mar18T.png
March 18, 1988
File:SE2006Mar29T.png
March 29, 2006
30 31 32
File:SE2024Apr08T.png
April 8, 2024
File:SE2042Apr20T.png
April 20, 2042
File:SE2060Apr30T.png
April 30, 2060
33 34 35
File:SE2078May11T.png
May 11, 2078
File:SE2096May22T.png
May 22, 2096
File:SE2114Jun03T.png
June 3, 2114
36 37 38
File:SE2132Jun13T.png
June 13, 2132
File:SE2150Jun25T.png
June 25, 2150
File:SE2168Jul05T.png
July 5, 2168
39
File:SE2186Jul16T.png
July 16, 2186

Metonic series

Template:Solar Metonic series 1880–1964

Tritos series

Template:Solar Tritos series 2010 July 11

Inex series

Template:Solar Inex series 2020 December 14

Notes

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  1. ↑ Script error: No such module "citation/CS1".
  2. ↑ Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".
  5. ↑ Ten Millennium Catalog of Long Solar Eclipses, −3999 to +6000 (4000 BCE to 6000 CE) Fred Espenak.
  6. ↑ Script error: No such module "citation/CS1".

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References

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