Solar storm Halloween 2003 (SOHO-MDI, Magnetograms)




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Published on Jul 15, 2012

Here is a view of the full solar disk during a two-week period in October and November of 2003 which exhibited some of the largest solar activity events since the advent of space-based solar observing. The Michelson Doppler Interferometer (MDI) takes images of the Sun at five very narrow wavelength bands and four different polarizations in visible light. For this sequence, the images are processed in a form that reveals the magnetic field strength on the solar photosphere. Other combinations of the images act as white-light images and dopplergrams (which measure the velocity of the solar surface).

Data collected between 2003-10-25T00:00:11Z and 2003-11-07T23:48:35Z.

Credit: NASA/Goddard Space Flight Center Scientific Visualization Studio
Source: http://svs.gsfc.nasa.gov/goto?3503


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