Sunspot region AR8921
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/03/21 | 2 | 30 | CSO | S15E71 | |
| 2000/03/22 | 6 | 80 | CAO | S16E60 | |
| 2000/03/23 | 14 | 370 | DAO | S17E48 | |
| 2000/03/24 | 17 | 340 | DKI | S17E37 | |
| 2000/03/25 | 26 | 420 | EKC | S17E23 | |
| 2000/03/26 | 27 | 240 | DAI | S18E09 | |
| 2000/03/27 | 29 | 260 | DAI | S17W03 | |
| 2000/03/28 | 20 | 130 | DAI | S18W17 | |
| 2000/03/29 | 25 | 140 | DAI | S17W30 | |
| 2000/03/30 | 10 | 40 | DSO | S17W44 | |
| 2000/03/31 | 5 | 10 | CRO | S17W56 |
| M |
|---|
| 2 |
The top 2 solar flares from sunspot region 8921
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.86 | 2000/03/22 | 01:07 | 01:18 | 01:29 | |
| 2 | M1.06 | 2000/03/25 | 22:31 | 22:43 | 22:52 |
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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 |