GOES - X-ray flare-like events
             Daily summary
from 20110417 2013 to 20110418 1026  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110418    0239 - 0249          C    -5.7212
    20110418    0333 - 0423          C    -5.7328
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.