GOES - X-ray flare-like events
             Daily summary
from 20131209 1900 to 20131210 1112  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20131209    1900 - 2248          C    -5.7471
    20131209    2311 - 2327          C    -5.9393
    20131209    2336 - 0102          C    -5.8416
    20131210    0104 - 0104          C    -5.9957
    20131210    0121 - 0121          C    -6
    20131210    0148 - 0442          C    -5.7305
    20131210    0446 - 0542          C    -5.8697
    20131210    0703 - 1112          C    -5.7055
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.