Solar eclipse of April 6, 1875
Template:Short description Script error: No such module "Solar eclipse". A total solar eclipse occurred at the Moon's ascending node of orbit on Tuesday, April 6, 1875, with a magnitude of 1.0547. 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 about 1.2 days before perigee (on April 7, 1875, at 10:50 UTC), the Moon's apparent diameter was larger.[1]
The path of totality was visible from parts of the modern-day Andaman and Nicobar Islands, Myanmar, Thailand, northwestern Cambodia, Laos, Vietnam, and southern Hainan. A partial solar eclipse was also visible for parts of Southern Africa, South Asia, Southeast Asia, and East Asia.
Observations
Astronomers J. N. Lockyer and Arthur Schuster traveled to observe the eclipse and measure spectral lines to determine the elemental contents of the solar corona.[2]
File:Solar eclipse 1875Apr06 Lockyer.png
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]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 1875 April 6 at 03:58:24.3 UTC |
| First Umbral External Contact | 1875 April 6 at 04:53:30.8 UTC |
| First Central Line | 1875 April 6 at 04:54:30.3 UTC |
| First Umbral Internal Contact | 1875 April 6 at 04:55:29.9 UTC |
| First Penumbral Internal Contact | 1875 April 6 at 05:51:22.0 UTC |
| Equatorial Conjunction | 1875 April 6 at 06:30:12.4 UTC |
| Ecliptic Conjunction | 1875 April 6 at 06:36:06.1 UTC |
| Greatest Eclipse | 1875 April 6 at 06:37:26.0 UTC |
| Greatest Duration | 1875 April 6 at 06:41:48.9 UTC |
| Last Penumbral Internal Contact | 1875 April 6 at 07:23:40.2 UTC |
| Last Umbral Internal Contact | 1875 April 6 at 08:19:24.7 UTC |
| Last Central Line | 1875 April 6 at 08:20:25.7 UTC |
| Last Umbral External Contact | 1875 April 6 at 08:21:26.7 UTC |
| Last Penumbral External Contact | 1875 April 6 at 09:16:27.4 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 1.05467 |
| Eclipse Obscuration | 1.11232 |
| Gamma | −0.12915 |
| Sun Right Ascension | 00h59m10.4s |
| Sun Declination | +06°19'21.5" |
| Sun Semi-Diameter | 15'58.4" |
| Sun Equatorial Horizontal Parallax | 08.8" |
| Moon Right Ascension | 00h59m25.4s |
| Moon Declination | +06°12'27.7" |
| Moon Semi-Diameter | 16'33.9" |
| Moon Equatorial Horizontal Parallax | 1°00'47.6" |
| ΔT | -3.3 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.
| April 6, 1875 Ascending node (new moon) |
April 20 Descending node (full moon) |
|---|---|
| File:SE1875Apr06T.png | |
| Total solar eclipse Solar Saros 127 |
Penumbral lunar eclipse Lunar Saros 139 |
Related eclipses
Eclipses in 1875
- A total solar eclipse on April 6.
- A penumbral lunar eclipse on April 20.
- A penumbral lunar eclipse on September 15.
- An annular solar eclipse on September 29.
- A penumbral lunar eclipse on October 14.
Metonic
- Preceded by: Solar eclipse of June 18, 1871
- Followed by: Solar eclipse of January 22, 1879
Tzolkinex
- Preceded by: Solar eclipse of February 23, 1868
- Followed by: Solar eclipse of May 17, 1882
Half-Saros
- Preceded by: Lunar eclipse of March 31, 1866
- Followed by: Lunar eclipse of April 10, 1884
Tritos
- Preceded by: Solar eclipse of May 6, 1864
- Followed by: Solar eclipse of March 5, 1886
Solar Saros 127
- Preceded by: Solar eclipse of March 25, 1857
- Followed by: Solar eclipse of April 16, 1893
Inex
- Preceded by: Solar eclipse of April 25, 1846
- Followed by: Solar eclipse of March 17, 1904
Triad
- Preceded by: Solar eclipse of June 4, 1788
- Followed by: Solar eclipse of February 5, 1962
Solar eclipses of 1874–1877
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 eclipse on August 9, 1877 occurs in the next lunar year eclipse set.
| Solar eclipse series sets from 1874 to 1877 | ||||||
|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||
| Saros | Map | Gamma | Saros | Map | Gamma | |
| 117 | April 16, 1874 File:SE1874Apr16T.png Total |
−0.8364 | 122 | October 10, 1874 File:SE1874Oct10An.gif Annular |
0.9889 | |
| 127 | April 6, 1875 File:SE1875Apr06T.png Total |
−0.1292 | 132 | September 29, 1875 File:SE1875Sep29A.gif Annular |
0.2427 | |
| 137 | March 25, 1876 File:SE1876Mar25A.gif Annular |
0.6142 | 142 | September 17, 1876 File:SE1876Sep17T.gif Total |
−0.5054 | |
| 147 | March 15, 1877 File:SE1877Mar15P.gif Partial |
1.3924 | 152 | September 7, 1877 File:SE1877Sep07P.gif Partial |
−1.1985 | |
Saros 127
This eclipse is a part of Saros series 127, repeating every 18 years, 11 days, and containing 82 events. The series started with a partial solar eclipse on October 10, 991 AD. It contains total eclipses from May 14, 1352 through August 15, 2091. There are no annular or hybrid eclipses in this set. The series ends at member 82 as a partial eclipse on March 21, 2452. 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 was produced by member 31 at 5 minutes, 40 seconds on August 30, 1532. All eclipses in this series occur at the Moon’s ascending node of orbit.[5]
Metonic series
Template:Solar Metonic series 1837–1928
Tritos series
Template:Solar Tritos series 2006 March 29
Inex series
Template:Solar Inex series 2019 December 26
Notes
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References
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