GOES - X-ray flare-like events
             Daily summary
from 20111217 1913 to 20111218 1112  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20111217    2251 - 2258          C    -5.4895
    20111217    2340 - 2347          C    -5.9101
    20111218    0204 - 0208          C    -5.7122
    20111218    0503 - 0506          C    -5.7258
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.