| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/11/26 | 1 | 100 | HAX | N19E87 | |
| 1997/11/27 | 10 | 330 | EKO | N20E77 | |
| 1997/11/28 | 12 | 610 | EKO | N20E60 | |
| 1997/11/29 | 19 | 680 | EKO | N20E48 | |
| 1997/11/30 | 27 | 710 | EHO | N20E36 | |
| 1997/12/01 | 46 | 940 | FSC | N22E21 | |
| 1997/12/02 | 50 | 550 | FHI | N21E09 | |
| 1997/12/03 | 44 | 610 | EKI | N20W04 | |
| 1997/12/04 | 32 | 600 | EKI | N21W16 | |
| 1997/12/05 | 26 | 420 | EHI | N21W28 | |
| 1997/12/06 | 13 | 330 | EHO | N20W42 | |
| 1997/12/07 | 7 | 280 | CAO | N21W55 | |
| 1997/12/08 | 5 | 190 | CAO | N20W70 | |
| 1997/12/09 | 1 | 110 | HAX | N19W87 |
| B | C | M | X |
|---|---|---|---|
| 10 | 27 | 4 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X3.69 | 1997/11/27 | 12:59 | 13:17 | 13:20 | |
| 2 | M9.31 | 1997/11/28 | 04:53 | 05:03 | 05:23 | |
| 3 | M8.67 | 1997/11/29 | 22:28 | 22:44 | 22:53 | |
| 4 | M2.86 | 1997/11/26 | 18:31 | 18:37 | 18:40 | |
| 5 | M1.6 | 1997/12/01 | 02:32 | 02:37 | 02:47 | |
| 6 | C8.74 | 1997/12/01 | 13:23 | 13:31 | 13:35 | |
| 7 | C6.83 | 1997/11/28 | 00:16 | 00:27 | 00:41 | |
| 8 | C6.7 | 1997/11/29 | 09:19 | 09:30 | 09:40 | |
| 9 | C6.29 | 1997/11/26 | 04:38 | 04:47 | 05:02 | |
| 10 | C5.71 | 1997/12/01 | 19:08 | 19:25 | 19:45 |
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| 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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |