Sunspot region AR9641
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/09/28 | 1 | 60 | HSX | S14E77 | |
| 2001/09/29 | 1 | 70 | HAX | S14E61 | |
| 2001/09/30 | 2 | 90 | CSO | S14E47 | |
| 2001/10/01 | 5 | 150 | CSO | S15E38 | |
| 2001/10/02 | 9 | 220 | EAO | S13E23 | |
| 2001/10/03 | 11 | 250 | DAO | S14E08 | |
| 2001/10/04 | 10 | 180 | CAO | S14W06 | |
| 2001/10/05 | 7 | 140 | CSO | S13W19 | |
| 2001/10/06 | 3 | 130 | CAO | S13W34 | |
| 2001/10/07 | 3 | 100 | HAX | S13W48 | |
| 2001/10/08 | 3 | 100 | HAX | S13W61 | |
| 2001/10/09 | 1 | 50 | HAX | S13W76 | |
| 2001/10/10 | 1 | 60 | HSX | S12W89 |
| C | M |
|---|---|
| 3 | 1 |
The top 4 solar flares from sunspot region 9641
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.57 | 2001/10/02 | 11:23 | 11:27 | 11:32 | |
| 2 | C5.28 | 2001/10/05 | 21:11 | 21:20 | 21:35 | |
| 3 | C2.76 | 2001/10/05 | 11:31 | 11:35 | 11:39 | |
| 4 | C2.75 | 2001/10/04 | 19:50 | 19:58 | 20:04 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 106.4 +12.9 |