Sunspot region AR11158
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/02/12 | 5 | 40 | CRO | S19E25 | |
| 2011/02/13 | 12 | 40 | DSI | S19E11 | |
| 2011/02/14 | 31 | 120 | EAC | S20W03 | |
| 2011/02/15 | 36 | 450 | EKC | S21W14 | |
| 2011/02/16 | 36 | 600 | EKC | S21W27 | |
| 2011/02/17 | 19 | 620 | EKC | S21W39 | |
| 2011/02/18 | 17 | 290 | EAC | S19W52 | |
| 2011/02/19 | 25 | 310 | EHC | S19W64 | |
| 2011/02/20 | 10 | 280 | DKC | S19W78 | |
| 2011/02/21 | 10 | 200 | DSI | S21W88 |
| C | M | X |
|---|---|---|
| 50 | 12 | 1 |
The top 10 solar flares from sunspot region 11158
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X3.3 | 2011/02/15 | 01:44 | 01:56 | 02:06 | |
| 2 | M9.61 | 2011/02/18 | 09:55 | 10:11 | 10:15 | |
| 3 | M9.49 | 2011/02/13 | 17:28 | 17:38 | 17:47 | |
| 4 | M3.27 | 2011/02/14 | 17:20 | 17:26 | 17:32 | |
| 5 | M2.36 | 2011/02/16 | 14:19 | 14:25 | 14:29 | |
| 6 | M2.15 | 2011/02/18 | 12:59 | 13:03 | 13:06 | |
| 7 | M1.42 | 2011/02/16 | 09:02 | 09:11 | 09:19 | |
| 8 | M1.36 | 2011/02/14 | 12:41 | 12:53 | 12:58 | |
| 9 | M1.22 | 2011/02/18 | 06:27 | 06:33 | 06:39 | |
| 10 | M1.21 | 2011/02/14 | 13:47 | 14:27 | 14:42 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +9.8 |
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