GOES - X-ray flare-like events Daily summary from 20130829 2013 to 20130830 0957 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130830 0207 - 0748 C -5.0773 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.