GOES - X-ray flare-like events
             Daily summary
from 20120127 1912 to 20120128 1126  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20120127    1912 - 2018          M    -4.4001
    20120127    2019 - 0141          C    -5.0017
    20120128    0143 - 0621          C    -5.6925
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.