Sunspot region AR10902
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2006/07/31 | 2 | 30 | CSO | S10W21 | |
| 2006/08/01 | 1 | 10 | HSX | S09W47 | |
| 2006/08/02 | 1 | 10 | AXX | S08W62 | |
| 2006/08/03 | 1 | 30 | CRO | S09W74 | |
| 2006/08/04 | 1 | 30 | AXX | S09W87 |
| B |
|---|
| 1 |
The top 1 solar flares from sunspot region 10902
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.11 | 2006/08/04 | 03:26 | 03:34 | 03:53 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
Upper atmosphere phenomena Red sprites and Blue jets 49Comet C/2025 R3 (PANSTARRS) 21CMEs From AR4436 18AR4436 85Coronal Hole 53 2
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/10 | M5.7 |
| Last geomagnetic storm | 2026/05/05 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 110 +30.7 |
| Last 30 days | 94.1 -4 |
