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=== Saros 116 ===
=== Saros 116 ===
{{Solar Saros series 116}}
It is a part of [[Solar Saros 116|Saros cycle 116]], repeating every 18 years, 11 days, containing 70 events. The series started with a partial solar eclipse on June 23, 727 AD. It contains annular eclipses from October 10, 907 AD through May 6, 1845. The series ends at member 70 as a partial eclipse on [[Solar eclipse of July 22, 1971|July 22, 1971]]. The longest duration of annularity was 12 minutes, 2 seconds on December 25, 1628.
{| class="wikitable collapsible collapsed"
!colspan=3|Series members 61–70 occur between 1900 and 2200:
|-
!61
!62
!63
|- style="text-align:center;"
|[[File:Saros116 61van70 SE1809Apr14A.jpg|150px]]<br />April 14, 1809
|[[File:Saros116 62van70 SE1827Apr26A.jpg|150px]]<br />April 26, 1827
|[[File:Saros116 63van70 SE1845May06A.jpg|150px]]<br />May 6, 1845
|-
!64
!65
!66
|- style="text-align:center;"
|[[File:Saros116 64van70 SE1863May17P.jpg|150px]]<br />May 17, 1863
|[[File:Saros116 65van70 SE1881May27P.jpg|150px]]<br />May 27, 1881
|[[File:Saros116 66van70 SE1899Jun08P.jpg|150px]]<br />June 8, 1899
|-
!67
!68
!69
|- style="text-align:center;"
|[[File:SE1917Jun19P.png|150px]]<br />[[solar eclipse of June 19, 1917|June 19, 1917]]
|[[File:SE1935Jun30P.png|150px]]<br />[[solar eclipse of June 30, 1935|June 30, 1935]]
|[[File:SE1953Jul11P.png|150px]]<br />[[solar eclipse of July 11, 1953|July 11, 1953]]
|-
!70
|- style="text-align:center;"
|[[File:SE1971Jul22P.png|150px]]<br />[[solar eclipse of July 22, 1971|July 22, 1971]]
|}


=== Metonic series ===
=== Metonic series ===

Revision as of 01:50, 13 July 2024

Solar eclipse of June 19, 1917
Map
Type of eclipse
NaturePartial
Gamma1.2857
Magnitude0.4729
Maximum eclipse
Coordinates66°12′N 150°06′E / 66.2°N 150.1°E / 66.2; 150.1
Times (UTC)
Greatest eclipse13:16:21
References
Saros116 (67 of 70)
Catalog # (SE5000)9322

A partial solar eclipse occurred at the Moon's descending node of orbit on Tuesday, June 19, 1917, with a magnitude of 0.4729. 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 partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth.

This was the second of four solar eclipses in 1917, with the others occurring on January 23, July 19, and December 14.

Eclipses in 1917

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 116

Inex

Triad

Solar eclipses of 1916–1920

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.[1]

The solar eclipses on February 3, 1916 (total), July 30, 1916 (annular), January 23, 1917 (partial), and July 19, 1917 (partial) occur in the previous lunar year eclipse set.

Solar eclipse series sets from 1916 to 1920
Ascending node   Descending node
Saros Map Gamma Saros Map Gamma
111 December 24, 1916

Partial 		−1.5321 116 June 19, 1917

Partial 		1.2857
121 December 14, 1917

Annular 		−0.9157 126 June 8, 1918

Total 		0.4658
131 December 3, 1918

Annular 		−0.2387 136

Totality in Príncipe 		May 29, 1919

Total 		−0.2955
141 November 22, 1919

Annular 		0.4549 146 May 18, 1920

Partial 		−1.0239
151 November 10, 1920

Partial 		1.1287

Saros 116

This eclipse is a part of Saros series 116, repeating every 18 years, 11 days, and containing 70 events. The series started with a partial solar eclipse on June 23, 727 AD. It contains annular eclipses from October 10, 907 AD through May 6, 1845. There are no hybrid or total eclipses in this set. The series ends at member 70 as a partial eclipse on July 22, 1971. 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 51 at 12 minutes, 2 seconds on December 25, 1628. All eclipses in this series occur at the Moon’s descending node of orbit.[2]

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).

Notes

  1. ^ van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.
  2. ^ "NASA - Catalog of Solar Eclipses of Saros 116". eclipse.gsfc.nasa.gov.

References


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