GOES - X-ray flare-like events
             Daily summary
from 20110730 2013 to 20110731 1011  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110731    0147 - 0147          C    -5.9957
    20110731    0250 - 0314          C    -5.4191
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.