June 1928 lunar eclipse
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A total lunar eclipse occurred at the Moon’s ascending node of orbit on Sunday, June 3, 1928, with an umbral magnitude of 1.2421. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A total lunar eclipse occurs when the Moon's near side entirely passes into the Earth's umbral shadow. 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. A total lunar eclipse can last up to nearly two hours, while a total solar eclipse lasts only a few minutes at any given place, because the Moon's shadow is smaller. Occurring only about 2.1 days after apogee (on June 1, 1928, at 9:00 UTC), the Moon's apparent diameter was smaller.
This lunar eclipse was the third of a tetrad, with four total lunar eclipses in series, the others being on June 15, 1927; December 8, 1927; and November 27, 1928.
Visibility
The eclipse was completely visible over Australia, Antarctica, and the central Pacific Ocean, seen rising over south and east Asia and setting over North and South America.
Eclipse details
Shown below is a table displaying details about this particular solar eclipse. It describes various parameters pertaining to this eclipse.
| Parameter | Value |
|---|---|
| Penumbral Magnitude | 2.30920 |
| Umbral Magnitude | 1.24213 |
| Gamma | −0.31752 |
| Sun Right Ascension | 04h44m44.7s |
| Sun Declination | +22°19'20.2" |
| Sun Semi-Diameter | 15'45.9" |
| Sun Equatorial Horizontal Parallax | 08.7" |
| Moon Right Ascension | 16h44m27.8s |
| Moon Declination | -22°36'06.1" |
| Moon Semi-Diameter | 14'46.4" |
| Moon Equatorial Horizontal Parallax | 0°54'13.2" |
| ΔT | 24.2 s |
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.
| May 19 Ascending node (new moon) | June 3 Descending node (full moon) | June 17 Ascending node (new moon) |
|---|---|---|
| Total solar eclipse Solar Saros 117 | Total lunar eclipse Lunar Saros 129 | Partial solar eclipse Solar Saros 155 |
Related eclipses
Eclipses in 1928
- A non-central total solar eclipse on May 19.
- A total lunar eclipse on June 3.
- A partial solar eclipse on June 17.
- A partial solar eclipse on November 12.
- A total lunar eclipse on November 27.
Metonic
- Preceded by: Lunar eclipse of August 14, 1924
- Followed by: Lunar eclipse of March 22, 1932
Tzolkinex
- Preceded by: Lunar eclipse of April 22, 1921
- Followed by: Lunar eclipse of July 16, 1935
Half-Saros
- Preceded by: Solar eclipse of May 29, 1919
- Followed by: Solar eclipse of June 8, 1937
Tritos
- Preceded by: Lunar eclipse of July 4, 1917
- Followed by: Lunar eclipse of May 3, 1939
Lunar Saros 129
- Preceded by: Lunar eclipse of May 24, 1910
- Followed by: Lunar eclipse of June 14, 1946
Inex
- Preceded by: Lunar eclipse of June 23, 1899
- Followed by: Lunar eclipse of May 13, 1957
Triad
- Preceded by: Lunar eclipse of August 2, 1841
- Followed by: Lunar eclipse of April 4, 2015
Lunar eclipses of 1926–1929
This eclipse is a member of a semester series. An eclipse in a semester series of lunar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.
The penumbral lunar eclipses on January 28, 1926 and July 25, 1926 occur in the previous lunar year eclipse set.
| Lunar eclipse series sets from 1926 to 1929 | |||||||
|---|---|---|---|---|---|---|---|
| Descending node | Ascending node | ||||||
| Saros | Date Viewing | Type Chart | Gamma | Saros | Date Viewing | Type Chart | Gamma |
| 109 | 1926 Jun 25 | Penumbral | 1.1814 | 114 | 1926 Dec 19 | Penumbral | −1.0101 |
| 119 | 1927 Jun 15 | Total | 0.4543 | 124 | 1927 Dec 08 | Total | −0.2796 |
| 129 | 1928 Jun 03 | Total | −0.3175 | 134 | 1928 Nov 27 | Total | 0.3952 |
| 139 | 1929 May 23 | Penumbral | −1.0650 | 144 | 1929 Nov 17 | Penumbral | 1.0947 |
Saros 129
This eclipse is a part of Saros series 129, repeating every 18 years, 11 days, and containing 71 events. The series started with a penumbral lunar eclipse on June 10, 1351. It contains partial eclipses from September 26, 1531 through May 11, 1892; total eclipses from May 24, 1910 through September 8, 2090; and a second set of partial eclipses from September 20, 2108 through April 26, 2469. The series ends at member 71 as a penumbral eclipse on July 24, 2613.
The longest duration of totality was produced by member 37 at 106 minutes, 24 seconds on July 16, 2000. All eclipses in this series occur at the Moon’s descending node of orbit.
| Greatest | First | |||
|---|---|---|---|---|
| The greatest eclipse of the series occurred on 2000 Jul 16, lasting 106 minutes, 24 seconds. | Penumbral | Partial | Total | Central |
| 1351 Jun 10 | 1531 Sep 26 | 1910 May 24 | 1946 Jun 14 | |
| Last | ||||
| Central | Total | Partial | Penumbral | |
| 2036 Aug 07 | 2090 Sep 08 | 2469 Apr 26 | 2613 Jul 24 |
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.
| Series members 26–48 occur between 1801 and 2200: | |||||
|---|---|---|---|---|---|
| 26 | 27 | 28 | |||
| 1802 Mar 19 | 1820 Mar 29 | 1838 Apr 10 | |||
| 29 | 30 | 31 | |||
| 1856 Apr 20 | 1874 May 01 | 1892 May 11 | |||
| 32 | 33 | 34 | |||
| 1910 May 24 | 1928 Jun 03 | 1946 Jun 14 | |||
| 35 | 36 | 37 | |||
| 1964 Jun 25 | 1982 Jul 06 | 2000 Jul 16 | |||
| 38 | 39 | 40 | |||
| 2018 Jul 27 | 2036 Aug 07 | 2054 Aug 18 | |||
| 41 | 42 | 43 | |||
| 2072 Aug 28 | 2090 Sep 08 | 2108 Sep 20 | |||
| 44 | 45 | 46 | |||
| 2126 Oct 01 | 2144 Oct 11 | 2162 Oct 23 | |||
| 47 | 48 | ||||
| 2180 Nov 02 | 2198 Nov 13 | ||||
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.
| Series members between 1801 and 2200 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1808 May 10 (Saros 118) | 1819 Apr 10 (Saros 119) | 1830 Mar 09 (Saros 120) | 1841 Feb 06 (Saros 121) | 1852 Jan 07 (Saros 122) | |||||
| 1862 Dec 06 (Saros 123) | 1873 Nov 04 (Saros 124) | 1884 Oct 04 (Saros 125) | 1895 Sep 04 (Saros 126) | 1906 Aug 04 (Saros 127) | |||||
| 1917 Jul 04 (Saros 128) | 1928 Jun 03 (Saros 129) | 1939 May 03 (Saros 130) | 1950 Apr 02 (Saros 131) | 1961 Mar 02 (Saros 132) | |||||
| 1972 Jan 30 (Saros 133) | 1982 Dec 30 (Saros 134) | 1993 Nov 29 (Saros 135) | 2004 Oct 28 (Saros 136) | 2015 Sep 28 (Saros 137) | |||||
| 2026 Aug 28 (Saros 138) | 2037 Jul 27 (Saros 139) | 2048 Jun 26 (Saros 140) | 2059 May 27 (Saros 141) | 2070 Apr 25 (Saros 142) | |||||
| 2081 Mar 25 (Saros 143) | 2092 Feb 23 (Saros 144) | 2103 Jan 23 (Saros 145) | 2113 Dec 22 (Saros 146) | 2124 Nov 21 (Saros 147) | |||||
| 2135 Oct 22 (Saros 148) | 2146 Sep 20 (Saros 149) | 2157 Aug 20 (Saros 150) | 2168 Jul 20 (Saros 151) | 2179 Jun 19 (Saros 152) | |||||
| 2190 May 19 (Saros 153) | |||||||||
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.
| Series members between 1801 and 2200 | |||||
|---|---|---|---|---|---|
| 1812 Aug 22 (Saros 125) | 1841 Aug 02 (Saros 126) | 1870 Jul 12 (Saros 127) | |||
| 1899 Jun 23 (Saros 128) | 1928 Jun 03 (Saros 129) | 1957 May 13 (Saros 130) | |||
| 1986 Apr 24 (Saros 131) | 2015 Apr 04 (Saros 132) | 2044 Mar 13 (Saros 133) | |||
| 2073 Feb 22 (Saros 134) | 2102 Feb 03 (Saros 135) | 2131 Jan 13 (Saros 136) | |||
| 2159 Dec 24 (Saros 137) | 2188 Dec 04 (Saros 138) | ||||
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 total solar eclipses of Solar Saros 136.
See also
Notes
External links
- Eclipse Predictions by Fred Espenak, NASA/GSFC