- Source: Solar eclipse of July 20, 1944
An annular solar eclipse occurred at the Moon's ascending node of orbit on Thursday, July 20, 1944, with a magnitude of 0.97. 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. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. Occurring about 4.6 days before apogee (on July 24, 1944, at 19:20 UTC), the Moon's apparent diameter was smaller.
Annularity was visible from British Uganda (today's Uganda), Anglo-Egyptian Sudan (the part now belonging to South Sudan), British Kenya (today's Kenya), Ethiopia, British Somaliland (today's Somalia), British Raj (the part now belonging to India), Burma, Thailand, French Indochina (the parts now belonging to Laos and Vietnam), Philippines, South Seas Mandate in Japan (the part now belonging to Hatohobei, Palau) the Territory of New Guinea (now belonging to Papua New Guinea). A partial eclipse was visible for parts of East Africa, West Asia, Central Asia, South Asia, Southeast Asia, East Asia, and Australia.
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.
Eclipse season
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. The first and last eclipse in this sequence is separated by one synodic month.
Related eclipses
= Eclipses in 1944
=A total solar eclipse on January 25.
A penumbral lunar eclipse on February 9.
A penumbral lunar eclipse on July 6.
An annular solar eclipse on July 20.
A penumbral lunar eclipse on August 4.
A penumbral lunar eclipse on December 29.
= Metonic
=Preceded by: Solar eclipse of October 1, 1940
Followed by: Solar eclipse of May 9, 1948
= Tzolkinex
=Preceded by: Solar eclipse of June 8, 1937
Followed by: Solar eclipse of September 1, 1951
= Half-Saros
=Preceded by: Lunar eclipse of July 16, 1935
Followed by: Lunar eclipse of July 26, 1953
= Tritos
=Preceded by: Solar eclipse of August 21, 1933
Followed by: Solar eclipse of June 20, 1955
= Solar Saros 135
=Preceded by: Solar eclipse of July 9, 1926
Followed by: Solar eclipse of July 31, 1962
= Inex
=Preceded by: Solar eclipse of August 10, 1915
Followed by: Solar eclipse of June 30, 1973
= Triad
=Preceded by: Solar eclipse of September 18, 1857
Followed by: Solar eclipse of May 21, 2031
= Solar eclipses of 1942–1946
=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.
The partial solar eclipses on March 16, 1942 and September 10, 1942 occur in the previous lunar year eclipse set, and the partial solar eclipses on May 30, 1946 and November 23, 1946 occur in the next lunar year eclipse set.
= Saros 135
=This eclipse is a part of Saros series 135, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on July 5, 1331. It contains annular eclipses from October 21, 1511 through February 24, 2305; hybrid eclipses on March 8, 2323 and March 18, 2341; and total eclipses from March 29, 2359 through May 22, 2449. The series ends at member 71 as a partial eclipse on August 17, 2593. 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 annularity was produced by member 16 at 10 minutes, 41 seconds on December 24, 1601, and the longest duration of totality will be produced by member 62 at 2 minutes, 27 seconds on May 12, 2431. All eclipses in this series occur at the Moon’s ascending node of orbit.
= Metonic series
=The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days). All eclipses in this table occur at the Moon's ascending node.
= Tritos series
=This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.
= Inex series
=This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.
Notes
References
Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
Google interactive map
Besselian elements
Kata Kunci Pencarian:
- Solar eclipse of July 20, 1944
- Solar eclipse of July 20, 1963
- Solar eclipse of July 22, 2009
- List of solar eclipses in the 20th century
- Solar eclipse of June 20, 1955
- Solar eclipse of July 22, 2028
- Solar eclipse of July 16, 2186
- Solar eclipse of July 20, 1925
- List of solar eclipses visible from Russia
- Solar eclipse of July 20, 1982
