Solar eclipse of February 3, 1916
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| Total eclipse | |
.png) | |
 Map | |
| Gamma | 0.4987 |
|---|---|
| Magnitude | 1.028 |
| Maximum eclipse | |
| Duration | 156 s (2 min 36 s) |
| Coordinates | 11°06′N 67°42′W / 11.1°N 67.7°W |
| Max. width of band | 108 km (67 mi) |
| Times (UTC) | |
| Greatest eclipse | 16:00:21 |
| References | |
| Saros | 139 (24 of 71) |
| Catalog # (SE5000) | 9317 |
A total solar eclipse occurred at the Moon's ascending node of orbit on Thursday, February 3, 1916,[1][2][3][4][5][6][7][8] with a magnitude of 1.028. 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 1.7 days after perigee (on February 2, 1916, at 0:00 UTC), the Moon's apparent diameter was larger.[9]
Totality was visible in Colombia, Venezuela, and the whole Guadeloupe except Marie-Galante, Saint Martin and Saint Barthélemy. A partial eclipse was visible for parts of North America, Central America, northern South America, Northwest Africa, and Western Europe.
The Argentine National Observatory sent a team to Tucacas, Falcón, Venezuela. Due to the economic depression caused by World War I, the best equipment could not be transported to the observation site. The team left Córdoba Province, Argentina on December 2, 1915, and arrived in Tucacas on January 14, 1916. It rained heavily within the first week after their arrival. There was still heavy rain on the early morning of February 3. The weather got better after that. By the time of totality, there was only a layer of mist, which slightly affected the observation. The team successfully took images of the corona and made spectral observations.[10] The results were also compared with a later total solar eclipse of February 26, 1998 which was also visible in Falcón, Venezuela.[11]
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.[12]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 1916 February 3 at 13:27:05.9 UTC |
| First Umbral External Contact | 1916 February 3 at 14:28:56.2 UTC |
| First Central Line | 1916 February 3 at 14:29:21.6 UTC |
| First Umbral Internal Contact | 1916 February 3 at 14:29:47.1 UTC |
| Greatest Duration | 1916 February 3 at 15:55:04.9 UTC |
| Greatest Eclipse | 1916 February 3 at 16:00:21.4 UTC |
| Ecliptic Conjunction | 1916 February 3 at 16:05:33.2 UTC |
| Equatorial Conjunction | 1916 February 3 at 16:21:50.2 UTC |
| Last Umbral Internal Contact | 1916 February 3 at 17:30:44.2 UTC |
| Last Central Line | 1916 February 3 at 17:31:07.9 UTC |
| Last Umbral External Contact | 1916 February 3 at 17:31:31.6 UTC |
| Last Penumbral External Contact | 1916 February 3 at 18:33:31.9 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 1.02800 |
| Eclipse Obscuration | 1.05678 |
| Gamma | 0.49875 |
| Sun Right Ascension | 21h03m55.2s |
| Sun Declination | -16°46'33.6" |
| Sun Semi-Diameter | 16'13.5" |
| Sun Equatorial Horizontal Parallax | 08.9" |
| Moon Right Ascension | 21h03m07.7s |
| Moon Declination | -16°18'47.0" |
| Moon Semi-Diameter | 16'26.3" |
| Moon Equatorial Horizontal Parallax | 1°00'19.8" |
| ΔT | 18.3 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.
| January 20 Descending node (full moon) | February 3 Ascending node (new moon) |
|---|---|
 | |
| Partial lunar eclipse Lunar Saros 113 | Total solar eclipse Solar Saros 139 |
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