GOES - X-ray flare-like events
             Daily summary
from 20120219 1913 to 20120220 1056  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120220    0345 - 0348          C    -5.9208
    20120220    0448 - 0609          C    -5.3862
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.