Sunspot region AR10117
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/09/16 | 1 | 130 | HSX | S09E72 | |
| 2002/09/17 | 1 | 170 | HSX | S09E59 | |
| 2002/09/18 | 2 | 150 | HKX | S10E46 | |
| 2002/09/19 | 1 | 180 | HAX | S09E32 | |
| 2002/09/20 | 1 | 200 | HSX | S10E18 | |
| 2002/09/21 | 1 | 180 | HSX | S10E05 | |
| 2002/09/22 | 2 | 170 | HSX | S09W07 | |
| 2002/09/23 | 3 | 160 | HSX | S09W21 | |
| 2002/09/24 | 3 | 180 | CSO | S10W34 | |
| 2002/09/25 | 1 | 160 | HSX | S08W48 | |
| 2002/09/26 | 4 | 190 | DSO | S09W60 | |
| 2002/09/27 | 1 | 170 | HSX | S08W76 | |
| 2002/09/28 | 1 | 120 | HSX | S08W89 |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 122.8 -11.4 |
| Last 30 days | 117.7 -15.6 |