Image Credit

Description:

SOHO Michelson Doppler Imager intensitygram from November 15, 1999, showing several areas of sunspot activity.

Source:

SOHO (ESA & NASA)

License:

public domain

Source URL:

http://sohowww.nascom.nasa.gov/data/summary/gif/991115/smdi_igram_fd_19991115_0136.gif

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