GOES - X-ray flare-like events Daily summary from 20131026 1900 to 20131027 1042 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20131026 1900 - 1923 C -5.1101 20131026 1924 - 1934 M -4.5058 20131026 1935 - 1951 C -5.0013 20131026 1952 - 1955 M -4.9747 20131026 1956 - 0206 C -5.0168 20131027 0234 - 0306 C -5.9431 20131027 0311 - 1042 C -5.3655 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.