GOES - X-ray flare-like events Daily summary from 20130828 2013 to 20130829 0956 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20130829 0429 - 0453 C -5.8962 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.