IOTA Observations of the 2010 July 11th Total Solar Eclipse from

French Polynesia

2010 Sept. 30

Institute d’Astrophysique de Paris

David W. Dunham, IOTA

With observations by

R. Nugent, P. Maley, and C. Herold

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Path of the July 11th Total Solar Eclipse across

French Polynesia

They were not able to arrange observations near the path limits, as for most past eclipses, but since we knew more accurate Kaguya profile data are available, they observed from two islands at different distances from the central line and on opposite sides of it.

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The IOTA observers’ chords relative to the predicted lunar

profile

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Baily’s beads video recorded around 2nd contact

by Richard Nugent

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Baily’s beads video recorded around 3rd contact

by Richard Nugent

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Baily’s beads video recorded around 2nd contact

by Paul Maley

There were some clouds at his location, and 3rd contact was lost

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The Inner Corona during Totality

Note the UTC time display from a Kiwi video time inserter

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Richard Nugent in the foreground with his Questar and Kiwi time

inserter

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Chuck Herold on Hao

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Show Richard Nugent’s Video with link to Utube

Part way down his Web site for the eclipse athttp://weblore.com/richard/Jul_11_2010_Eclipse.htm

Baily’s Beads near 2nd Contact

2 1 3 4

Bead #1

34.42434.39034.357

Bead #2

36.35936.326 36.39236.292

Bead #3

36.62636.59236.559

38.094 38.127 38.161 38.194

Bead #4

Baily’s Beads near 3rd Contact

123

Bead #2

1.250 1.2841.2171.184

Bead #3

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Show Richard Nugent’s Limovie Analyses

in c:\20100928\eclipse\2010July\July 11 2010 2nd Contact Bailys beads timings.pdf andJuly 11 2010 3rd Contact Bailys beads timings.pdf

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Tom Van Flandern, 1940 - 2009

Observed 1970 March 7th eclipse from Eclipse, VALed the only successful public “eclipse edge” expeditions

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Alan Fiala, 1942 - 2010

Eclipse expert at the U. S. Naval Observatory

Prepared nautical almanaceclipse predictions for several years

Made 1st video observations of Baily’s beads at the edge of a total solar eclipse in 1981