GOES - X-ray flare-like events
             Daily summary
from 20110321 1900 to 20110322 1042  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110321    1900 - 2228          C    -5.7122
    20110322    0323 - 0343          C    -5.4067
    20110322    0432 - 0449          C    -5.8928
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.