GOES - X-ray flare-like events
             Daily summary
from 20130726 1958 to 20130727 0955  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130726    1958 - 2021          C    -5.9208
    20130726    2135 - 2208          C    -5.7447
    20130726    2221 - 2226          C    -5.8729
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.