GOES - X-ray flare-like events Daily summary from 20110821 2027 to 20110822 1012 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20110821 2315 - 2322 C -5.9066 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.