Solar flares — Dec 17, 2002
The strongest solar flare in the day
      
      Flare of M1.6 level (strong) — in 23:35
    
      Solar activity index
Value for Dec 17, 2002 24:00 (end on the day). The maximum value is 10.0

Solar flares in 2 days
Chart of solar activity from Dec 16, 2002 to Dec 17, 2002
Time zone — UTC+00 (London)

          This chart in PNG format — high resolution
      API data: JSON or TXT
        
  List of solar flares for Dec 17, 2002
Total number of flares of class C and higher — 11 flares
C type — 10 | M type — 1 | X type — 0
| start | maximum | end | region | |
|---|---|---|---|---|
| 
             
              
              M1.6
             
           | 
          22:57 | 23:35 | 23:45 | 226 | 
| 
             
              
              C6.4
             
           | 
          19:23 | 19:30 | 19:39 | 226 | 
| 
             
              
              C3.1
             
           | 
          18:17 | 18:21 | 18:24 | — | 
| 
             
              
              C5.9
             
           | 
          10:00 | 10:06 | 10:09 | 227 | 
| 
             
              
              C4.1
             
           | 
          07:47 | 08:02 | 08:30 | 227 | 
| 
             
              
              C2.2
             
           | 
          06:34 | 06:37 | 06:39 | 226 | 
| 
             
              
              C3.5
             
           | 
          05:49 | 05:54 | 06:03 | 229 | 
| 
             
              
              C5.3
             
           | 
          04:59 | 05:06 | 05:13 | 227 | 
| 
             
              
              C2.8
             
           | 
          02:51 | 02:58 | 03:06 | 226 | 
| 
             
              
              C1.8
             
           | 
          01:55 | 02:03 | 02:11 | 226 | 
| 
             
              
              C6.0
             
           | 
          00:54 | 01:00 | 01:09 | 226 | 
