GOES - X-ray flare-like events
             Daily summary
from 20120417 2013 to 20120418 1026  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120418    0304 - 0310          C    -5.5017
    20120418    0530 - 0531          C    -5.9547
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.