GOES - X-ray flare-like events
             Daily summary
from 20110419 2012 to 20110420 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110420    0428 - 0436          C    -5.9788
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.