Sunspot region AR10915
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2006/09/30 | 6 | 40 | CSO | S06W46 | |
| 2006/10/01 | 4 | 90 | DSO | S06W59 | |
| 2006/10/02 | 2 | 60 | DSO | S05W72 | |
| 2006/10/03 | 2 | 30 | BXO | S06W86 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 10915
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.03 | 2006/09/30 | 16:43 | 17:03 | 17:26 |
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
Filaments and prominences 549Identify Shearing with SDO 3Incoming & Unnumbered Active Regions 275Coronal Holes 42/44 91AR potential 4420 (not officially named yet) 4
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 79.3 -6.7 |
| Last 30 days | 92.4 +29.5 |
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