GOES - X-ray flare-like events
             Daily summary
from 20110320 1912 to 20110321 1041  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110321    0956 - 1001          C    -5.9355
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.