GOES - X-ray flare-like events
             Daily summary
from 20120515 1944 to 20120516 0956  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120515    1957 - 1958          C    -5.9914
    20120515    2215 - 2220          C    -5.5086
    20120516    0017 - 0022          C    -5.7447
    20120516    0909 - 0951          C    -5.5867
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.