GOES - X-ray flare-like events
             Daily summary
from 20130728 1958 to 20130729 0957  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130728    2001 - 2008          C    -5.7932
    20130728    2111 - 2112          C    -5.9914
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.