GOES - X-ray flare-like events Daily summary from 20110428 2013 to 20110429 1012 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20110429 0021 - 0042 C -5.4168 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.