Sunspot region AR8681
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/08/29 | 23 | 50 | DSO | N21E08 | |
| 1999/08/30 | 29 | 220 | DAI | N21W04 | |
| 1999/08/31 | 28 | 280 | DAI | N21W17 | |
| 1999/09/01 | 30 | 260 | EAI | N22W31 | |
| 1999/09/02 | 19 | 190 | EAI | N21W43 | |
| 1999/09/03 | 13 | 160 | DAO | N21W57 | |
| 1999/09/04 | 4 | 120 | CAO | N20W73 | |
| 1999/09/05 | 3 | 130 | CAO | N21W87 |
| C | M | X |
|---|---|---|
| 4 | 3 | 1 |
The top 8 solar flares from sunspot region 8681
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.61 | 1999/08/28 | 17:52 | 18:05 | 18:18 | |
| 2 | M1.37 | 1999/08/29 | 17:22 | 17:31 | 17:42 | |
| 3 | M1.26 | 1999/08/31 | 05:41 | 05:54 | 06:24 | |
| 4 | M1.05 | 1999/08/31 | 00:30 | 00:38 | 00:51 | |
| 5 | C8.01 | 1999/08/30 | 11:42 | 11:50 | 11:56 | |
| 6 | C5.01 | 1999/08/31 | 17:19 | 17:41 | 18:31 | |
| 7 | C3 | 1999/08/30 | 15:41 | 15:51 | 16:00 | |
| 8 | C2.89 | 1999/09/05 | 05:31 | 05:39 | 05:52 |
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |