GOES - X-ray flare-like events
             Daily summary
from 20120517 2012 to 20120518 0942  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120517    2012 - 2029          C    -5.9066
    20120517    2124 - 2146          C    -5.8665
    20120517    2256 - 2323          C    -5.8697
    20120518    0115 - 0140          C    -5.7959
    20120518    0143 - 0156          C    -5.9281
    20120518    0756 - 0904          C    -5.4401
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.