Sunspot region AR11434
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/03/12 | 4 | 90 | DSO | S22E58 | |
| 2012/03/13 | 2 | 50 | CSO | S23E44 | |
| 2012/03/14 | 2 | 50 | DSO | S22E31 | |
| 2012/03/15 | 1 | 40 | HAX | S22E12 | |
| 2012/03/16 | 2 | 30 | CAO | S21W01 | |
| 2012/03/17 | 4 | 30 | ESO | S22W14 | |
| 2012/03/18 | 3 | 30 | CRO | S22W27 | |
| 2012/03/19 | 5 | 50 | DSO | S20W40 | |
| 2012/03/20 | 6 | 90 | CAO | S21W54 | |
| 2012/03/21 | 4 | 120 | CSO | S20W66 | |
| 2012/03/22 | 2 | 50 | CSO | S22W77 |
| B | C | M |
|---|---|---|
| 6 | 5 | 1 |
The top 10 solar flares from sunspot region 11434
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2 | 2012/03/17 | 20:32 | 20:39 | 20:42 | |
| 2 | C5.06 | 2012/03/19 | 21:55 | 22:04 | 22:16 | |
| 3 | C2.73 | 2012/03/18 | 02:28 | 02:37 | 02:44 | |
| 4 | C1.39 | 2012/03/19 | 04:37 | 04:41 | 04:44 | |
| 5 | C1.36 | 2012/03/21 | 06:32 | 06:44 | 06:52 | |
| 6 | C1 | 2012/03/19 | 02:13 | 02:19 | 02:23 | |
| 7 | B9.94 | 2012/03/19 | 03:41 | 03:45 | 03:48 | |
| 8 | B8.38 | 2012/03/19 | 02:28 | 02:31 | 02:35 | |
| 9 | B8.01 | 2012/03/19 | 00:24 | 00:29 | 00:31 | |
| 10 | B5.29 | 2012/03/21 | 06:25 | 06:28 | 06:31 |
Latest news
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.3 |
| 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 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |
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