GOES - X-ray flare-like events
             Daily summary
from 20130617 1957 to 20130618 0957  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130617    2236 - 2248          C    -5.8894
    20130618    0110 - 0427          C    -5.618
    20130618    0538 - 0546          C    -5.8794
    20130618    0705 - 0740          C    -5.6421
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.