| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/10/10 | 3 | 10 | BXO | N32E41 | |
| 1997/10/11 | 5 | 30 | CRO | N31E27 | |
| 1997/10/12 | 6 | 40 | CRO | N31E14 | |
| 1997/10/13 | 9 | 60 | DSO | N31E01 | |
| 1997/10/14 | 12 | 90 | DAO | N31W12 | |
| 1997/10/15 | 10 | 90 | DAO | N31W23 | |
| 1997/10/16 | 9 | 70 | CAO | N30W37 | |
| 1997/10/17 | 8 | 80 | CSO | N30W50 | |
| 1997/10/18 | 9 | 70 | CSO | N31W62 | |
| 1997/10/19 | 5 | 40 | BXO | N31W75 | |
| 1997/10/20 | 2 | 30 | BXO | N27W91 |
| B |
|---|
| 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B4.29 | 1997/10/17 | 14:16 | 14:24 | 14:33 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 75.5 -37.1 |
| Last 30 days | 81.7 -39.4 |