GOES - X-ray flare-like events
             Daily summary
from 20130508 1957 to 20130509 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130509    0257 - 0406          C    -5.8794
    20130509    0519 - 0559          C    -5.4584
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.