Sunspot region AR10101
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/09/02 | 1 | 50 | HSX | N03E71 | |
| 2002/09/03 | 1 | 40 | HAX | N02E56 | |
| 2002/09/04 | 3 | 70 | HAX | S03E44 | |
| 2002/09/05 | 3 | 40 | CAO | N02E30 | |
| 2002/09/06 | 1 | 10 | HSX | N02E17 | |
| 2002/09/07 | 8 | 10 | BXO | N02E05 | |
| 2002/09/08 | 7 | 20 | BXO | N03W11 | |
| 2002/09/09 | 7 | 40 | DSO | N04W26 | |
| 2002/09/10 | 5 | 30 | DSO | N05W38 | |
| 2002/09/11 | 2 | 10 | BXO | N05W51 | |
| 2002/09/12 | 3 | 10 | BXO | N02W63 |
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
AR4087 106Unspecified geomagnetic activity 2427Incoming & Unnumbered Active Regions 1883AR4086 49AR 14079 170
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/14 | M4.6 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 74.9 -65.7 |
| Last 30 days | 101.3 -25.6 |