| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/10/20 | 4 | 60 | BXO | S08E34 | |
| 2001/10/21 | 7 | 50 | DSO | S08E20 | |
| 2001/10/22 | 7 | 80 | DSO | S09E07 | |
| 2001/10/23 | 6 | 20 | BXO | S09W08 | |
| 2001/10/24 | 1 | 10 | AXX | S08W21 | |
| 2001/10/25 | 1 | 10 | AXX | S08W32 |
| C |
|---|
| 2 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.66 | 2001/10/20 | 21:07 | 21:12 | 21:15 | |
| 2 | C3.68 | 2001/10/20 | 22:33 | 22:38 | 22:41 |
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| Last X-flare | 2026/02/02 | X2.9 |
| Last M-flare | 2026/02/02 | M1.9 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 118.3 +3.5 |