GOES - X-ray flare-like events
             Daily summary
from 20130810 1958 to 20130811 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130810    2350 - 2355          C    -5.8477
    20130811    0130 - 0130          C    -5.8539
    20130811    0530 - 0530          C    -5.9355
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.