GOES - X-ray flare-like events
             Daily summary
from 20130501 1958 to 20130502 1012  (YYYYMMDD hhmm UT)
 
   date     start-end time       class  log10(X)
(YYYYMMDD)     (hhmm UT)
    20130501    1958 - 2107          C    -5.341
    20130501    2239 - 0014          C    -5.7595
    20130502    0034 - 0101          C    -5.8508
    20130502    0127 - 0128          C    -5.9666
    20130502    0156 - 0159          C    -5.9245
    20130502    0213 - 0213          C    -5.9957
    20130502    0501 - 0507          C    -5.0048
    20130502    0508 - 0512          M    -4.9469
    20130502    0513 - 0532          C    -5.0026
 
 
Used are solar X-ray fluxes measured by GOES 15 in the 1-8 Angstrom passband.