Solar eclipse of August 20, 1906

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Template:Short description Script error: No such module "Solar eclipse". A partial solar eclipse occurred at the Moon's ascending node of orbit between Sunday, August 19 and Monday, August 20, 1906,[1][2][3] with a magnitude of 0.3147. 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.[4]

A partial eclipse was visible for parts of Northern Russia, Alaska, Western Canada, and the Pacific Northwest.

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.[5]

August 20, 1906 Solar Eclipse Times
Event Time (UTC)
First Penumbral External Contact 1906 August 19 at 23:53:11.5 UTC
Equatorial Conjunction 1906 August 20 at 00:33:41.7 UTC
Greatest Eclipse 1906 August 20 at 01:12:49.6 UTC
Ecliptic Conjunction 1906 August 20 at 01:27:22.8 UTC
Last Penumbral External Contact 1906 August 20 at 02:32:40.9 UTC
August 20, 1906 Solar Eclipse Parameters
Parameter Value
Eclipse Magnitude 0.31473
Eclipse Obscuration 0.20068
Gamma 1.37306
Sun Right Ascension 09h53m24.2s
Sun Declination +12°49'20.8"
Sun Semi-Diameter 15'48.5"
Sun Equatorial Horizontal Parallax 08.7"
Moon Right Ascension 09h54m44.1s
Moon Declination +14°05'01.4"
Moon Semi-Diameter 15'32.6"
Moon Equatorial Horizontal Parallax 0°57'02.8"
ΔT 5.8 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. The first and last eclipse in this sequence is separated by one synodic month.

Eclipse season of July−August 1906
July 21
Ascending node (new moon)		 August 4
Descending node (full moon)		 August 20
Ascending node (new moon)
File:SE1906Jul21P.png File:Lunar eclipse chart close-1906Aug04.png File:SE1906Aug20P.png
Partial solar eclipse
Solar Saros 115		 Total lunar eclipse
Lunar Saros 127		 Partial solar eclipse
Solar Saros 153

Related eclipses

Eclipses in 1906

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 153

Inex

Triad

Solar eclipses of 1902–1906

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.[6]

The partial solar eclipses on May 7, 1902 and October 31, 1902 occur in the previous lunar year eclipse set, and the partial solar eclipse on July 21, 1906 occurs in the next lunar year eclipse set.

Solar eclipse series sets from 1902 to 1906
Descending node   Ascending node
Saros Map Gamma Saros Map Gamma
108 April 8, 1902
File:SE1902Apr08P.png
Partial 		1.5024 113 October 1, 1902
118 March 29, 1903
File:SE1903Mar29A.png
Annular 		0.8413 123 September 21, 1903
File:SE1903Sep21T.png
Total 		−0.8967
128 March 17, 1904
File:SE1904Mar17A.png
Annular 		0.1299 133 September 9, 1904
File:SE1904Sep09T.png
Total 		−0.1625
138 March 6, 1905
File:SE1905Mar06A.png
Annular 		−0.5768 143
File:PSM V68 D565 Sun corona of August 30 1905 taken with 40 foot camera.png 		August 30, 1905
File:SE1905Aug30T.png
Total 		0.5708
148 February 23, 1906
File:SE1906Feb23P.png
Partial 		−1.2479 153 August 20, 1906
File:SE1906Aug20P.png
Partial 		1.3731

Saros 153

Template:Solar Saros series 153

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). All eclipses in this table occur at the Moon's ascending node.

24 eclipse events between March 25, 1819 and August 20, 1906
March 25–26 January 11–12 October 30–31 August 18–20 June 6–7
107 109 111 113 115
File:SE1819Mar25P.gif
March 25, 1819 		File:SE1823Jan12P.gif
January 12, 1823 		File:SE1826Oct31P.gif
October 31, 1826 		File:SE1830Aug18P.gif
August 18, 1830 		File:SE1834Jun07P.gif
June 7, 1834
117 119 121 123 125
File:SE1838Mar25T.gif
March 25, 1838 		File:SE1842Jan11A.gif
January 11, 1842 		File:SE1845Oct30H.gif
October 30, 1845 		File:SE1849Aug18T.gif
August 18, 1849 		File:SE1853Jun06A.gif
June 6, 1853
127 129 131 133 135
File:SE1857Mar25T.gif
March 25, 1857 		File:SE1861Jan11A.gif
January 11, 1861 		File:SE1864Oct30A.gif
October 30, 1864 		File:SE1868Aug18T.gif
August 18, 1868 		File:SE1872Jun06A.gif
June 6, 1872
137 139 141 143 145
File:SE1876Mar25A.gif
March 25, 1876 		File:SE1880Jan11T.gif
January 11, 1880 		File:SE1883Oct30A.gif
October 30, 1883 		File:SE1887Aug19T.png
August 19, 1887 		File:SE1891Jun06A.gif
June 6, 1891
147 149 151 153
File:SE1895Mar26P.gif
March 26, 1895 		File:SE1899Jan11P.gif
January 11, 1899 		File:SE1902Oct31P.png
October 31, 1902 		File:SE1906Aug20P.png
August 20, 1906

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 1928
File:SE1808May25P.gif
May 25, 1808
(Saros 144) 		File:SE1819Apr24P.gif
April 24, 1819
(Saros 145) 		File:SE1830Mar24P.gif
March 24, 1830
(Saros 146) 		File:SE1841Feb21P.gif
February 21, 1841
(Saros 147) 		File:SE1852Jan21P.png
January 21, 1852
(Saros 148)
File:SE1862Dec21P.gif
December 21, 1862
(Saros 149) 		File:SE1873Nov20P.png
November 20, 1873
(Saros 150) 		File:SE1884Oct19P.gif
October 19, 1884
(Saros 151) 		File:SE1895Sep18P.gif
September 18, 1895
(Saros 152) 		File:SE1906Aug20P.png
August 20, 1906
(Saros 153)
File:SE1917Jul19P.png
July 19, 1917
(Saros 154) 		File:SE1928Jun17P.png
June 17, 1928
(Saros 155)

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 1964
File:SE1819Oct19P.png
October 19, 1819
(Saros 150) 		File:SE1848Sep27P.gif
September 27, 1848
(Saros 151) 		File:SE1877Sep07P.gif
September 7, 1877
(Saros 152)
File:SE1906Aug20P.png
August 20, 1906
(Saros 153) 		File:SE1935Jul30P.png
July 30, 1935
(Saros 154) 		File:SE1964Jul09P.png
July 9, 1964
(Saros 155)

Notes

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  1. ↑ Script error: No such module "citation/CS1".
  2. ↑ Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".
  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "citation/CS1".

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References


External links

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