GOES - X-ray flare-like events
             Daily summary
from 20121030 1913 to 20121031 1041  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20121031    0505 - 0510          C    -5.9208
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.