Sunspot region AR11904
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/11/24 | 17 | 80 | DAI | N12W67 | |
| 2013/11/25 | 12 | 130 | DAI | N12W82 | |
| 2013/11/26 | 2 | 60 | HAX | N12W95 | |
| 2013/11/27 | 2 | 60 | HAX | N12W0* |
2013/11/24
2013/11/25
2013/11/26
2013/11/27
|
2013/11/24
2013/11/25
2013/11/26
2013/11/27
|
| C | M |
|---|---|
| 11 | 2 |
The top 10 solar flares from sunspot region 11904
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.69 | 2013/11/23 | 02:20 | 02:32 | 02:49 | |
| 2 | M1.54 | 2013/11/23 | 12:49 | 12:57 | 13:05 | |
| 3 | C6.75 | 2013/11/24 | 07:43 | 07:52 | 07:56 | |
| 4 | C4.6 | 2013/11/24 | 01:36 | 02:31 | 02:47 | |
| 5 | C4.52 | 2013/11/23 | 03:24 | 03:39 | 03:50 | |
| 6 | C4.5 | 2013/11/24 | 09:33 | 09:40 | 09:47 | |
| 7 | C2.91 | 2013/11/25 | 10:02 | 11:49 | 12:16 | |
| 8 | C2.45 | 2013/11/24 | 07:02 | 07:07 | 07:14 | |
| 9 | C2.22 | 2013/11/23 | 04:37 | 04:42 | 04:45 | |
| 10 | C1.97 | 2013/11/24 | 00:42 | 00:46 | 00:55 |
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 118.7 -5.3 |
| Last 30 days | 120.4 +5.6 |