GOES - X-ray flare-like events
             Daily summary
from 20130719 1958 to 20130720 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130720    0337 - 0345          C    -5.6635
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.