GOES - X-ray flare-like events
             Daily summary
from 20120420 2011 to 20120421 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120420    2046 - 2110          C    -5.7721
    20120420    2228 - 2245          C    -5.8386
    20120421    0130 - 0136          C    -5.6091
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.