July 1934 lunar eclipse
| Partial eclipse | |||||||||||||
 The Moon's hourly motion shown right to left | |||||||||||||
| Date | July 26, 1934 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gamma | −0.6681 | ||||||||||||
| Magnitude | 0.6612 | ||||||||||||
| Saros cycle | 118 (47 of 74) | ||||||||||||
| Partiality | 160 minutes, 49 seconds | ||||||||||||
| Penumbral | 285 minutes, 41 seconds | ||||||||||||
| |||||||||||||
A partial lunar eclipse occurred at the Moon’s ascending node of orbit on Thursday, July 26, 1934,[1] with an umbral magnitude of 0.6612. 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 an hour after perigee (on July 26, 1934, at 11:20 UTC), the Moon's apparent diameter was larger.[2]
Visibility
[edit]The eclipse was completely visible over Australia and Antarctica, seen rising over south and east Asia and setting over much of North and South America.[3]
|
Eclipse details
[edit]Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.[4]
| Parameter | Value |
|---|---|
| Penumbral Magnitude | 1.60248 |
| Umbral Magnitude | 0.66121 |
| Gamma | −0.66811 |
| Sun Right Ascension | 08h20m22.6s |
| Sun Declination | +19°32'24.6" |
| Sun Semi-Diameter | 15'44.9" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 20h21m19.0s |
| Moon Declination | -20°11'13.8" |
| Moon Semi-Diameter | 16'43.9" |
| Moon Equatorial Horizontal Parallax | 1°01'24.3" |
| ΔT | 23.8 s |
Eclipse season
[edit]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.
| July 26 Ascending node (full moon) |
August 10 Descending node (new moon) |
|---|---|
|
|
| Partial lunar eclipse Lunar Saros 118 |
Annular solar eclipse Solar Saros 144 |
Related eclipses
[edit]Eclipses in 1934
[edit]- A partial lunar eclipse on January 30.
- A total solar eclipse on February 14.
- A partial lunar eclipse on July 26.
- An annular solar eclipse on August 10.
Metonic
[edit]- Preceded by: Lunar eclipse of October 7, 1930
- Followed by: Lunar eclipse of May 14, 1938
Tzolkinex
[edit]- Preceded by: Lunar eclipse of June 15, 1927
- Followed by: Lunar eclipse of September 5, 1941
Half-Saros
[edit]- Preceded by: Solar eclipse of July 20, 1925
- Followed by: Solar eclipse of August 1, 1943
Tritos
[edit]- Preceded by: Lunar eclipse of August 26, 1923
- Followed by: Lunar eclipse of June 25, 1945
Lunar Saros 118
[edit]- Preceded by: Lunar eclipse of July 15, 1916
- Followed by: Lunar eclipse of August 5, 1952
Inex
[edit]- Preceded by: Lunar eclipse of August 15, 1905
- Followed by: Lunar eclipse of July 6, 1963
Triad
[edit]- Preceded by: Lunar eclipse of September 24, 1847
- Followed by: Lunar eclipse of May 26, 2021
Lunar eclipses of 1933–1936
[edit]| Descending node | Ascending node | |||||
|---|---|---|---|---|---|---|
| Saros | Date Viewing |
Type Chart |
Saros | Date Viewing |
Type Chart | |
| 103 | 1933 Feb 10
|
Penumbral
|
108 | 1933 Aug 05
|
Penumbral
| |
| 113 | 1934 Jan 30
|
Partial
|
118 | 1934 Jul 26
|
Partial
| |
| 123 | 1935 Jan 19
|
Total
|
128 | 1935 Jul 16
|
Total
| |
| 133 | 1936 Jan 08
|
Total
|
138 | 1936 Jul 04
|
Partial
| |
| 143 | 1936 Dec 28
|
Penumbral
| ||||
Half-Saros cycle
[edit]A lunar eclipse will be preceded and followed by solar eclipses by 9 years and 5.5 days (a half saros).[5] This lunar eclipse is related to two annular solar eclipses of Solar Saros 125.
| July 20, 1925 | August 1, 1943 |
|---|---|
|
|
See also
[edit]Notes
[edit]- ^ "July 26, 1934 Partial Lunar Eclipse". timeanddate. Retrieved 17 December 2024.
- ^ "Moon Distances for London, United Kingdom, England". timeanddate. Retrieved 17 December 2024.
- ^ "Partial Lunar Eclipse of 1934 Jul 26" (PDF). NASA. Retrieved 17 December 2024.
- ^ "Partial Lunar Eclipse of 1934 Jul 26". EclipseWise.com. Retrieved 17 December 2024.
- ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
External links
[edit]- 1934 Jul 26 chart Eclipse Predictions by Fred Espenak, NASA/GSFC
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