About these Solar Images All solar pictures are from various sources including SDO, SOHO, STEREO, Mt.Wilson Observatory, SIDC and more. Visit the links below for more information. SDO http://sdo.gsfc.nasa.gov/ SOHO http://sohowww.nascom.nasa.gov/ STEREO http://stereo-ssc.nascom.nasa.gov/beacon/beacon_secchi.shtml Mt. Wilson Observatory http://www.astro.ucla.edu/~obs/intro.html Other Image Sources GONG http://gong.nso.edu/Daily_Images/ High Altitude Observatory in Boulder Colorado http://www.hao.ucar.edu/ Solar Data Analysis Center (SDAC) http://umbra.nascom.nasa.gov/images/latest.html