| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/08/31 | 1 | 80 | HAX | S14E75 | |
| 2002/09/01 | 3 | 140 | DAO | S14E62 | |
| 2002/09/02 | 4 | 140 | DSO | S15E50 | |
| 2002/09/03 | 10 | 170 | DSO | S15E38 | |
| 2002/09/04 | 17 | 120 | DSO | S14E25 | |
| 2002/09/05 | 20 | 160 | DAI | S16E13 | |
| 2002/09/06 | 22 | 220 | EAI | S16W02 | |
| 2002/09/07 | 22 | 160 | EAI | S16W15 | |
| 2002/09/08 | 11 | 70 | ESO | S16W30 | |
| 2002/09/09 | 14 | 80 | EAO | S16W44 | |
| 2002/09/10 | 6 | 30 | CSO | S14W57 | |
| 2002/09/11 | 2 | 30 | HSX | S14W70 |
| C | M |
|---|---|
| 6 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.24 | 2002/09/05 | 20:40 | 20:45 | 20:51 | |
| 2 | C7.31 | 2002/09/05 | 12:34 | 12:39 | 12:50 | |
| 3 | C3.67 | 2002/09/04 | 14:48 | 14:54 | 14:57 | |
| 4 | C3.36 | 2002/09/04 | 06:22 | 06:28 | 06:37 | |
| 5 | C3.11 | 2002/09/09 | 16:28 | 16:35 | 16:41 | |
| 6 | C2.31 | 2002/09/04 | 10:27 | 10:33 | 10:38 | |
| 7 | C2.3 | 2002/09/04 | 13:50 | 13:55 | 13:57 |
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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 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |