GOES - X-ray flare-like events
             Daily summary
from 20131120 1912 to 20131121 1057  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20131120    2158 - 2207          C    -5.8508
    20131121    0846 - 0933          C    -5.7305
    20131121    1009 - 1025          C    -5.9172
    20131121    1052 - 1057          C    -5.6596
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.