GOES - X-ray flare-like events
             Daily summary
from 20130809 1958 to 20130810 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130809    2021 - 2045          C    -5.6968
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.