Solar flares — Apr 18, 2003
The strongest solar flare in the day
      
      Flare of M1.1 level (strong) — in 20:58
    
      Solar activity index
Value for Apr 18, 2003 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Apr 17, 2003 to Apr 18, 2003
Time zone — UTC+01 (London) - summer time

          This chart in PNG format — high resolution
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  List of solar flares for Apr 18, 2003
Total number of flares of class C and higher — 1 flare
C type — 0 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              M1.1
             
           | 
          20:50 | 20:58 | 21:02 | 337 | 
