Solar flares on November 21, 2002
The most powerful solar flare in 24 hours
C6.6 (normal) flare - November 21 at 4:04 AM
Solar activity index
Value as of the end of the day on November 21, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 20, 2002 to November 21, 2002
Time zone — UTC-07 (Edmonton)
List of solar flares for November 21, 2002
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 19:15 | 19:18 | 19:20 | 198 |
| C2.2 | 13:24 | 13:30 | 13:36 | 198 |
| C3.8 | 12:51 | 12:57 | 13:00 | 198 |
| C1.8 | 12:00 | 12:04 | 12:07 | 198 |
| C3.8 | 09:42 | 09:47 | 09:51 | 198 |
| C1.2 | 06:38 | 06:41 | 06:44 | — |
| C6.6 | 03:59 | 04:04 | 04:06 | 198 |
| C2.4 | 01:07 | 01:12 | 01:16 | 198 |