GOES - X-ray flare-like events Daily summary from 20120518 2013 to 20120519 0956 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20120518 2346 - 0033 C -5.6517 20120519 0121 - 0127 C -5.9469 20120519 0702 - 0712 C -5.9788 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.