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
Thursday, 9 May 2024
Severe G4 geomagnetic storm watch
Wednesday, 8 May 2024
Sunspot region 3664, major flares and CMEs!
Monday, 6 May 2024
X4.5 solar flare
Latest forum messages
AR3664 566[CME] AR 13664, flare flurry, CMEs galore, 2024-05-08/09 108Unproven theories 389Space Weather Memes 349Sporadic E and Flare activity 24
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Space weather facts
| Last X-flare | 2024/05/09 | X1.1 |
| Last M-flare | 2024/05/09 | M3.7 |
| Last geomagnetic storm | 2024/05/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 163.9 +73.1 |