GOES - X-ray flare-like events
             Daily summary
from 20110508 2013 to 20110509 0956  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110509    0515 - 0516          C    -5.8447
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.