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
2021/12/30
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
Monday, 10 June 2024
CME impact, X1.5 solar flare
Saturday, 8 June 2024
M9.3 solar flare, S3 proton storm, Earth-directed CME
Saturday, 1 June 2024
Double impulsive X-class flares
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Space weather facts
| Last X-flare | 2024/06/10 | X1.55 |
| Last M-flare | 2024/06/17 | M1.3 |
| Last geomagnetic storm | 2024/06/15 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2024 | 171.7 +35.2 |
| June 2024 | 156.8 -15 |
| Last 30 days | 144.9 -29.1 |