IOTA Observations of the 2010 July 11 th Total Solar Eclipse from French Polynesia 2010 Sept. 30...
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Transcript of IOTA Observations of the 2010 July 11 th Total Solar Eclipse from French Polynesia 2010 Sept. 30...
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
2
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.
3
The IOTA observers’ chords relative to the predicted lunar
profile
4
Baily’s beads video recorded around 2nd contact
by Richard Nugent
5
Baily’s beads video recorded around 3rd contact
by Richard Nugent
6
Baily’s beads video recorded around 2nd contact
by Paul Maley
There were some clouds at his location, and 3rd contact was lost
7
The Inner Corona during Totality
Note the UTC time display from a Kiwi video time inserter
8
Richard Nugent in the foreground with his Questar and Kiwi time
inserter
9
Chuck Herold on Hao
10
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
19
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
20
Tom Van Flandern, 1940 - 2009
Observed 1970 March 7th eclipse from Eclipse, VALed the only successful public “eclipse edge” expeditions
21
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