Solar flares on October 21, 2012
The most powerful solar flare in 24 hours
M1.3 (strong) flare - October 21 at 11:03 PM
Solar activity index
Value as of the end of the day on October 21, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 20, 2012 to October 21, 2012
Time zone — UTC+03 (Saransk)
List of solar flares for October 21, 2012
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.3 | 22:46 | 23:03 | 23:20 | 1598 |
| C1.2 | 21:42 | 21:45 | 21:48 | 1598 |
| C1.1 | 20:52 | 21:18 | 21:31 | 1598 |
| C1.8 | 15:58 | 16:16 | 16:32 | 1596 |
| C1.1 | 14:06 | 14:09 | 14:18 | 1596 |
| C5.6 | 08:24 | 08:34 | 08:46 | 1598 |
| C7.8 | 05:54 | 06:08 | 06:16 | 1598 |