21st-century annular solar eclipse
An
annular solar eclipse
occurred at the Moon's descending node of the orbit on September 22, 2006.
[1]
[2]
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. An annular solar eclipse occurs when the Moon's
apparent diameter
is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an
annulus
(ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. The path of annularity of this eclipse passed through
Guyana
,
Suriname
,
French Guiana
, the northern tip of
Roraima
and
Amapa
of
Brazil
, and the southern
Atlantic
.
Images
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Animated path
Related eclipses
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]
Eclipses of 2006
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]
Tzolkinex
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Half-Saros
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]
Tritos
[
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Solar Saros 144
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Solar eclipses 2004?2007
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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.
[3]
Saros 144
[
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]
It is a part of
Saros cycle 144
, repeating every 18 years, 11 days, containing 70 events. The series started with partial solar eclipse on April 11, 1736. It contains annular eclipses from July 7, 1880 through August 27, 2565. There are no total eclipses in the series. The series ends at member 70 as a partial eclipse on May 5, 2980. The longest duration of annularity will be 9 minutes, 52 seconds on December 29, 2168.
Series members 11?21 occur between 1901 and 2100:
|
11
|
12
|
13
|
Jul 30, 1916
|
Aug 10, 1934
|
Aug 20, 1952
|
14
|
15
|
16
|
Aug 31, 1970
|
Sep 11, 1988
|
Sep 22, 2006
|
17
|
18
|
19
|
Oct 2, 2024
|
Oct 14, 2042
|
Oct 24, 2060
|
20
|
21
|
Nov 4, 2078
|
Nov 15, 2096
|
Inex series
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]
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.
Metonic series
[
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]
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 descending node.
21 eclipse events, progressing from north to south between July 11, 1953 and July 11, 2029
|
July 10?12
|
April 29?30
|
February 15?16
|
December 4?5
|
September 21?23
|
116
|
118
|
120
|
122
|
124
|
July 11, 1953
|
April 30, 1957
|
February 15, 1961
|
December 4, 1964
|
September 22, 1968
|
126
|
128
|
130
|
132
|
134
|
July 10, 1972
|
April 29, 1976
|
February 16, 1980
|
December 4, 1983
|
September 23, 1987
|
136
|
138
|
140
|
142
|
144
|
July 11, 1991
|
April 29, 1995
|
February 16, 1999
|
December 4, 2002
|
September 22, 2006
|
146
|
148
|
150
|
152
|
154
|
July 11, 2010
|
April 29, 2014
|
February 15, 2018
|
December 4, 2021
|
September 21, 2025
|
156
|
158
|
160
|
162
|
164
|
July 11, 2029
|
This is the second eclipse this season, the first being the
7 September 2006 Partial Lunar Eclipse
.
References
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External links
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]
Photos:
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Features
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Lists of eclipses
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Total/hybrid eclipses
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Annular eclipses
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Partial eclipses
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Other bodies
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Related
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