GOES - X-ray flare-like events
             Daily summary
from 20120812 2012 to 20120813 1027  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120813    0410 - 0418          C    -5.9586
    20120813    0926 - 0939          C    -5.8386
    20120813    1013 - 1027          C    -5.9172
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.