Sunspot region AR11391
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/01/03 | 1 | 120 | HSX | N13E81 | |
| 2012/01/04 | 1 | 240 | HSX | N12E65 | |
| 2012/01/05 | 4 | 510 | CHO | N12E54 | |
| 2012/01/06 | 10 | 420 | DHO | N13E40 | |
| 2012/01/07 | 19 | 420 | DKI | N13E28 | |
| 2012/01/08 | 12 | 370 | DKO | N13E14 | |
| 2012/01/09 | 12 | 300 | DKO | N13W00 | |
| 2012/01/10 | 22 | 280 | DSC | N12W12 | |
| 2012/01/11 | 22 | 270 | DKI | N12W25 | |
| 2012/01/12 | 20 | 270 | EKC | N12W37 | |
| 2012/01/13 | 11 | 180 | CAO | N12W51 | |
| 2012/01/14 | 11 | 120 | DAO | N12W67 | |
| 2012/01/15 | 9 | 120 | DAO | N12W80 |
| C |
|---|
| 7 |
The top 7 solar flares from sunspot region 11391
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.3 | 2012/01/15 | 02:06 | 02:09 | 02:13 | |
| 2 | C3.18 | 2012/01/13 | 06:01 | 06:05 | 06:08 | |
| 3 | C2.42 | 2012/01/10 | 22:34 | 23:01 | 23:12 | |
| 4 | C2.08 | 2012/01/09 | 14:51 | 14:56 | 14:58 | |
| 5 | C1.9 | 2012/01/09 | 17:15 | 17:18 | 17:21 | |
| 6 | C1.13 | 2012/01/03 | 04:14 | 04:19 | 04:27 | |
| 7 | C1.01 | 2012/01/10 | 04:14 | 04:18 | 04:24 |
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 101.7 +15.8 |
| Last 30 days | 97.5 +41.1 |
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