GOES - X-ray flare-like events
             Daily summary
from 20111211 1912 to 20111212 1111  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20111212    0833 - 0845          C    -5.9031
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.