GOES - X-ray flare-like events
             Daily summary
from 20111212 1913 to 20111213 1111  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20111212    2334 - 2356          C    -5.7545
    20111213    0740 - 0743          C    -5.9914
    20111213    0747 - 0810          C    -5.8416
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.