GOES - X-ray flare-like events
             Daily summary
from 20110509 2013 to 20110510 0955  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110509    2045 - 2225          C    -5.2644
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.