GOES - X-ray flare-like events
             Daily summary
from 20120511 2013 to 20120512 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120511    2013 - 2150          C    -5.3872
    20120511    2153 - 2154          C    -5.9872
    20120511    2200 - 2206          C    -5.9747
    20120511    2213 - 0139          C    -5.4908
    20120512    0142 - 0151          C    -5.9431
    20120512    0220 - 0224          C    -5.9747
    20120512    0235 - 0235          C    -6
    20120512    0321 - 0323          C    -5.9172
    20120512    0438 - 0442          C    -5.8827
    20120512    0511 - 0525          C    -5.71
    20120512    0652 - 0700          C    -5.7595
    20120512    0713 - 0719          C    -5.7986
    20120512    0921 - 0930          C    -5.8356
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.