Sunspot region AR9645
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/10/02 | 12 | 60 | DAO | S18E03 | |
| 2001/10/03 | 10 | 30 | DSO | S18W12 | |
| 2001/10/04 | 8 | 100 | DAO | S18W27 | |
| 2001/10/05 | 9 | 150 | DSO | S17W41 | |
| 2001/10/06 | 8 | 120 | DAO | S18W55 | |
| 2001/10/07 | 10 | 180 | EAO | S18W68 | |
| 2001/10/08 | 4 | 150 | EAO | S18W81 | |
| 2001/10/09 | 2 | 60 | HAX | S19W90 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 9645
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.94 | 2001/10/04 | 06:05 | 06:11 | 06:16 | |
| 2 | C3.3 | 2001/10/04 | 06:31 | 06:34 | 06:36 | |
| 3 | C3.13 | 2001/10/03 | 14:07 | 14:10 | 14:18 | |
| 4 | C2.88 | 2001/10/03 | 18:50 | 18:54 | 19:00 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Do the high-resolution sunspot counts point to more complex sunspots? 61AR4366 1020Yes, we really went to the moon before. 1Filaments and prominences 485Unexplained proton activity 111
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.3 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 129.4 +16.8 |
| Last 30 days | 129.3 +29.3 |