GOES - X-ray flare-like events
             Daily summary
from 20140520 1958 to 20140521 0956  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20140520    2132 - 2141          C    -5.9586
    20140521    0105 - 0221          C    -5.6271
    20140521    0713 - 0731          C    -5.7747
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.