GOES - X-ray flare-like events Daily summary from 20131103 1900 to 20131104 1056 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20131104 0533 - 0618 C -5.4815 20131104 0649 - 0658 C -5.9355 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.