GOES - X-ray flare-like events Daily summary from 20130727 1958 to 20130728 0957 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130728 0244 - 0333 C -5.757 20130728 0603 - 0709 C -5.6383 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.