Solar flares on October 21, 2012
The most powerful solar flare in 24 hours
C7.8 (normal) flare - October 21 at 8:38 AM
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+05:30 (Ranchi)
List of solar flares for October 21, 2012
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.1 | 23:22 | 23:48 | 00:01 | 1598 |
| C1.8 | 18:28 | 18:46 | 19:02 | 1596 |
| C1.1 | 16:36 | 16:39 | 16:48 | 1596 |
| C5.6 | 10:54 | 11:04 | 11:16 | 1598 |
| C7.8 | 08:24 | 08:38 | 08:46 | 1598 |
| C2.7 | 01:32 | 01:40 | 01:52 | 1596 |