| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/10/08 | 3 | 10 | BXO | N24E57 | |
| 1997/10/09 | 7 | 10 | BXO | N24E41 | |
| 1997/10/10 | 4 | 10 | BXO | N25E28 | |
| 1997/10/11 | 2 | 0 | AXX | N24E13 | |
| 1997/10/13 | 1 | 0 | AXX | N27W08 |
| B | C |
|---|---|
| 2 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.21 | 1997/10/09 | 11:47 | 12:02 | 12:18 | |
| 2 | B6.94 | 1997/10/11 | 08:42 | 08:58 | 09:11 | |
| 3 | B4.97 | 1997/10/10 | 03:23 | 03:59 | 04:14 |
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| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.6 -4.4 |
| Last 30 days | 122.3 +11.2 |