Sunspot region AR9397
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/03/25 | 3 | 290 | DSO | S09E76 | |
| 2001/03/26 | 9 | 190 | DAO | S12E61 | |
| 2001/03/27 | 11 | 260 | EAO | S10E47 | |
| 2001/03/28 | 17 | 200 | ESO | S09E35 | |
| 2001/03/29 | 17 | 260 | EAI | S09E19 | |
| 2001/03/30 | 13 | 220 | EAO | S09E06 | |
| 2001/03/31 | 23 | 180 | EAO | S09W06 | |
| 2001/04/01 | 17 | 120 | EAO | S09W22 | |
| 2001/04/02 | 16 | 90 | EAO | S08W36 | |
| 2001/04/03 | 9 | 80 | CAO | S08W48 | |
| 2001/04/04 | 5 | 60 | DAO | S07W65 | |
| 2001/04/05 | 1 | 30 | HSX | S07W78 | |
| 2001/04/06 | 1 | 30 | HSX | S09W93 |
| C | M |
|---|---|
| 2 | 2 |
The top 4 solar flares from sunspot region 9397
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.43 | 2001/03/28 | 10:42 | 10:47 | 10:50 | |
| 2 | M1.19 | 2001/03/27 | 20:23 | 20:27 | 20:33 | |
| 3 | C9.03 | 2001/03/29 | 16:09 | 16:35 | 16:49 | |
| 4 | C7.07 | 2001/03/30 | 15:22 | 15:28 | 15:48 |
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Space weather facts
| 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 |