Sunspot region AR9154
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/09/01 | 1 | 20 | HRX | S22E57 | |
| 2000/09/02 | 2 | 0 | AXX | S21E44 | |
| 2000/09/04 | 9 | 20 | BXO | S21E18 | |
| 2000/09/05 | 27 | 160 | DAI | S19E06 | |
| 2000/09/06 | 30 | 390 | EAI | S19W07 | |
| 2000/09/07 | 30 | 510 | EKI | S18W21 | |
| 2000/09/08 | 24 | 530 | EKI | S18W35 | |
| 2000/09/09 | 14 | 570 | EKI | S17W49 | |
| 2000/09/10 | 17 | 420 | EKI | S17W62 | |
| 2000/09/11 | 10 | 210 | ESO | S17W75 | |
| 2000/09/12 | 5 | 120 | ESO | S17W91 |
| B | C | M |
|---|---|---|
| 1 | 16 | 1 |
The top 10 solar flares from sunspot region 9154
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.97 | 2000/09/04 | 01:03 | 01:09 | 01:13 | |
| 2 | C9 | 2000/09/05 | 00:02 | 00:08 | 00:12 | |
| 3 | C7.06 | 2000/09/04 | 21:29 | 21:35 | 21:37 | |
| 4 | C6.09 | 2000/09/03 | 23:30 | 23:33 | 23:35 | |
| 5 | C6.03 | 2000/09/11 | 07:02 | 07:15 | 07:34 | |
| 6 | C3.24 | 2000/09/06 | 13:35 | 13:40 | 13:43 | |
| 7 | C3.23 | 2000/09/05 | 08:15 | 08:18 | 08:30 | |
| 8 | C3.17 | 2000/09/04 | 14:14 | 14:18 | 14:22 | |
| 9 | C3.11 | 2000/09/06 | 14:59 | 15:29 | 16:01 | |
| 10 | C3.1 | 2000/09/04 | 20:34 | 20:46 | 20:51 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.8 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |