Sunspot region AR8550
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/21 | 4 | 120 | CSO | S14E70 | |
| 1999/05/22 | 8 | 220 | DAO | S14E55 | |
| 1999/05/23 | 14 | 190 | ESO | S14E43 | |
| 1999/05/24 | 14 | 150 | EAO | S13E30 | |
| 1999/05/25 | 16 | 210 | EAO | S14E17 | |
| 1999/05/26 | 21 | 160 | EAO | S14E02 | |
| 1999/05/27 | 17 | 120 | DSO | S14W12 | |
| 1999/05/28 | 10 | 50 | DAO | S15W30 | |
| 1999/05/29 | 8 | 30 | DRO | S15W45 | |
| 1999/05/30 | 1 | 10 | AXX | S15W57 | |
| 1999/05/31 | 1 | 10 | AXX | S15W72 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 8550
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.87 | 1999/05/26 | 04:50 | 05:22 | 06:22 | |
| 2 | C3.1 | 1999/05/24 | 17:35 | 17:40 | 17:43 | |
| 3 | C2.7 | 1999/05/24 | 13:49 | 13:53 | 13:57 | |
| 4 | C1.93 | 1999/05/23 | 14:09 | 14:15 | 14:17 |
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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 | 156.1 +4.7 |