Solar eclipse of February 26, 1979

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Solar eclipse of February 26, 1979
SE1979Feb26T.png
Map
Type of eclipse
Nature Total
Gamma 0.8981
Magnitude 1.0391
Maximum eclipse
Duration 2m 49s
Coordinates 52.1N 94.5W
Max. width of band 298 km
Times (UTC)
Greatest eclipse 16:55:06
References
Saros 120 (59 of 71)
Catalog # (SE5000) 9462

In astronomy, a total solar eclipse occurred on Monday, February 26, 1979. 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, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across the surface of the Earth, while a partial solar eclipse will be visible over a region thousands of kilometres wide.

The central shadow of the moon passed through the northwestern U.S. states of Washington, Oregon, Idaho, Montana (where totality covered almost the entire state), the north-central state of North Dakota, parts of the Canadian provinces of Saskatchewan, Manitoba, Ontario, Quebec, and what is now the Canadian Territory of Nunavut, and Greenland.

Visibility[edit]

Many visitors traveled to the Pacific Northwest to view the eclipse,[1] since it would be the last chance to view a total solar eclipse in the United States for almost four decades. The next over the United States will be the total solar eclipse of August 21, 2017.

The path of totality passed through Portland, Oregon in early morning,[2] and through Winnipeg, Manitoba in the early afternoon.

Gallery[edit]

Solar eclipse animate (1979-Feb-26).gif

Related eclipses[edit]

A partial lunar eclipse occurred on March 13, 1979, 15 days later, visible over Africa, Europe and Asia. A total lunar eclipse followed on September 6, 1979.

Solar eclipses of 1979–1982[edit]

Each member 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.

Solar eclipse series sets from 1979 to 1982
Ascending node   Descending node
Saros Map Saros Map
120 SE1979Feb26T.png
February 26, 1979
Total
125 SE1979Aug22A.png
August 22, 1979
Annular
130 SE1980Feb16T.png
February 16, 1980
Total
135 SE1980Aug10A.png
August 10, 1980
Annular
140 SE1981Feb04A.png
February 4, 1981
Annular
145 SE1981Jul31T.png
July 31, 1981
Total
150 SE1982Jan25P.png
January 25, 1982
Partial
155 SE1982Jul20P.png
July 20, 1982
Partial
Partial solar eclipses on June 21, 1982 and December 15, 1982 occur in the next lunar year eclipse set.

Saros 120[edit]

It is a part of Saros cycle 120, repeating every 18 years, 11 days, containing 71 events. The series started with partial solar eclipse on May 27, 933 AD, and reached an annular eclipse on August 11, 1059. It was a hybrid event for 3 dates: May 8, 1510, through May 29, 1546, and total eclipses from June 8, 1564, through March 30, 2033. The series ends at member 71 as a partial eclipse on July 7, 2195. The longest duration of totality was 2 minutes, 16 seconds on August 12, 1654.[3]

Series members 55–65 occur between 1901 and 2100:

55 56 57
SE1907Jan14T.png
January 14, 1907
SE1925Jan24T.png
January 24, 1925
SE1943Feb04T.png
February 4, 1943
58 59 60
SE1961Feb15T.png
February 15, 1961
SE1979Feb26T.png
February 26, 1979
SE1997Mar09T.png
March 9, 1997
61 62 63
SE2015Mar20T.png
March 20, 2015
SE2033Mar30T.png
March 30, 2033
SE2051Apr11P.png
April 11, 2051
64 65
SE2069Apr21P.png
April 21, 2069
SE2087May02P.png
May 2, 2087

Metonic cycle[edit]

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[edit]

  1. ^ "Eclipse chased across Northwest". Daytona Beach Morning Journal. New York Times. February 27, 1979. p. 1A. 
  2. ^ "Thick clouds hide eclipse from many". Eugene Register-Guard. Associated Press. February 26, 1979. p. 1A. 
  3. ^ http://eclipse.gsfc.nasa.gov/SEsaros/SEsaros120.html

References[edit]

Photos/observations: