Sunspot region AR11683
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/02/28 | 1 | 90 | HSX | S17E79 | |
| 2013/03/01 | 3 | 150 | DAO | S16E68 | |
| 2013/03/02 | 8 | 170 | DAO | S16E54 | |
| 2013/03/03 | 14 | 210 | EAI | S16E42 | |
| 2013/03/04 | 14 | 200 | EAI | S16E30 | |
| 2013/03/05 | 15 | 100 | DAI | S16E17 | |
| 2013/03/06 | 11 | 80 | DAO | S15E01 | |
| 2013/03/07 | 4 | 10 | BXO | S15W09 | |
| 2013/03/08 | 1 | 0 | AXX | S15W23 | |
| 2013/03/09 | 2 | 10 | AXX | S15W37 |
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 11683
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B8.22 | 2013/02/28 | 11:05 | 11:09 | 11:12 | |
| 2 | B7.97 | 2013/02/28 | 15:17 | 15:22 | 15:29 | |
| 3 | B6.82 | 2013/02/28 | 14:34 | 14:37 | 14:39 | |
| 4 | B5.49 | 2013/03/01 | 06:05 | 06:08 | 06:12 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4419 39Coronal Holes 42/44 13Comet C/2026 A1 (MAPS) for the southern hemisphere 68Space Weather Watch App 16Current Farside Activity 456
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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 | 89.7 +3.8 |
| Last 30 days | 93.4 +33.3 |
