GOES - X-ray flare-like events Daily summary from 20120310 1913 to 20120311 1056 (YYYYMMDD hhmm UT) date start-end time class log10(X) (YYYYMMDD) (hhmm UT) 20120310 1913 - 1953 M -4.7399 20120310 1954 - 0140 C -5.0017 20120311 0143 - 0544 C -5.6234 20120311 0546 - 0546 C -6 20120311 0640 - 0647 C -5.9208 20120311 0728 - 0730 C -5.9914 Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.