Solar flares on September 9, 2002
The most powerful solar flare in 24 hours
M2.1 (strong) flare - September 9 at 11:52 AM
Solar activity index
Value as of the end of the day on September 9, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 8, 2002 to September 9, 2002
Time zone — UTC-06 (Saskatoon)
List of solar flares for September 9, 2002
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 17:31 | 17:34 | 17:37 | 103 |
| C2.1 | 15:26 | 15:31 | 15:35 | — |
| M2.1 | 11:40 | 11:52 | 12:01 | 105 |
| C2.1 | 10:28 | 10:35 | 10:41 | 96 |