GOES - X-ray flare-like events
             Daily summary
from 20110406 1957 to 20110407 1026  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110406    2138 - 2155          C    -5.8268
    20110407    0425 - 0449          C    -5.7399
    20110407    0456 - 0504          C    -5.8239
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.