Sunspot region AR12921
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/12/28 | 4 | 110 | DAO | N29W64 | |
| 2021/12/29 | 3 | 180 | DSO | N29W81 | |
| 2021/12/30 | 2 | 300 | DSO | N30W90 | |
| 2021/12/31 | 2 | 300 | DSO | N30W0* |
2021/12/28
2021/12/29
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2021/12/31
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2021/12/28
2021/12/29
2021/12/30
2021/12/31
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| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 12921
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.8 | 2021/12/30 | 00:15 | 00:24 | 00:31 | |
| 2 | B5.5 | 2021/12/29 | 21:43 | 21:49 | 21:54 |
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
[CME] AR 13664, flare flurry, CMEs galore, 2024-05-08/09 214Is there any truth to this "Internet/Electrical Grid Apocalypse"? 110AR3664 680Filaments and prominences 89Incoming Active Regions 243
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Space weather facts
| Last X-flare | 2024/05/10 | X3.8 |
| Last M-flare | 2024/05/10 | M2.2 |
| 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 | 167.9 +77.8 |