GOES - X-ray flare-like events
             Daily summary
from 20110121 1913 to 20110122 1126  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20110121    1913 - 1913          C    -5.9872
    20110121    2030 - 2036          C    -5.8697
    20110122    0817 - 0854          C    -5.6091
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.