GOES - X-ray flare-like events
             Daily summary
from 20130919 2013 to 20130920 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130919    2300 - 2301          C    -5.9208
    20130920    1000 - 1012          C    -5.6596
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.