GOES - X-ray flare-like events Daily summary from 20120721 2013 to 20120722 1012 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20120721 2324 - 2326 C -5.8356 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.