Solar flares on May 9, 2012
The most powerful solar flare in 24 hours
M4.7 (strong) flare - May 9 at 12:32 PM
Solar activity index
Value as of the end of the day on May 9, 2012
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 8, 2012 to May 9, 2012
Time zone — UTC+00
List of solar flares for May 9, 2012
The total number of solar flares of class C and higher — 12 flares
C class — 9 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:58 | 23:01 | 23:04 | 1476 |
| C1.4 | 22:43 | 22:46 | 22:49 | — |
| C1.2 | 22:28 | 22:32 | 22:36 | — |
| M4.1 | 21:01 | 21:05 | 21:09 | 1476 |
| C9.1 | 20:45 | 20:52 | 20:55 | 1476 |
| C1.5 | 19:51 | 19:55 | 19:58 | — |
| C1.4 | 18:09 | 18:13 | 18:16 | — |
| C2.1 | 16:26 | 16:42 | 16:45 | 1476 |
| M1.8 | 14:02 | 14:08 | 14:14 | 1476 |
| M4.7 | 12:21 | 12:32 | 12:36 | 1476 |
| C1.3 | 09:47 | 09:50 | 09:52 | 1476 |
| C1.3 | 08:37 | 08:41 | 08:43 | — |