GOES - X-ray flare-like events
             Daily summary
from 20110816 2013 to 20110817 1026  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110817    0150 - 0353          C    -5.7055
    20110817    0417 - 0532          C    -5.6364
    20110817    0544 - 0552          C    -5.9508
    20110817    1026 - 1026          C    -5.9586
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.