GOES - X-ray flare-like events
             Daily summary
from 20130408 1958 to 20130409 1027  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130408    2314 - 2321          C    -5.9957
    20130408    2347 - 2352          C    -5.8069
    20130409    0016 - 0039          C    -5.6576
    20130409    0323 - 0324          C    -5.9957
    20130409    0429 - 0432          C    -5.9872
    20130409    0720 - 0737          C    -5.6459
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.