Monday, September 26, 2011

Around the World with the ISS [Part 2] and ISS X1.9 Solar Flare

SDO Captures X1.9 Solar Flare
Behemoth sunspot 1302 unleashes a strong flare on 09.24.11--an X1.9-category blast at 5:40 am EDT. NASA's Solar Dynamics Observatory (SDO) recorded the extreme ultraviolet flash in composite wavelength (211, 193, 171 angstrom). Across the top is a graph of the x-ray intensity during the flare as recorded by the GOES spacecraft.
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