Sunspot region AR9923
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/25 | 8 | 20 | CRO | S03W31 | |
| 2002/04/26 | 6 | 40 | CRO | S03W47 | |
| 2002/04/27 | 7 | 40 | CSO | S03W60 | |
| 2002/04/28 | 4 | 20 | BXO | S03W72 |
Latest news
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Latest forum messages
AR 3976 / AR 3977 / AR 3978 89Filaments and prominences 666Something huge fell on the Sun today 10AR 3981 2Strong far side CME 381
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/02 | M2.7 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| February 2025 | 145 -9.5 |
| Last 30 days | 143.6 +3.8 |