Sunspot region AR8991
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/05/09 | 2 | 20 | AXX | N16E71 | |
| 2000/05/10 | 5 | 80 | CSO | N15E59 | |
| 2000/05/11 | 8 | 110 | CSO | N15E46 | |
| 2000/05/12 | 10 | 100 | CAO | N16E33 | |
| 2000/05/13 | 9 | 60 | CAO | N15E20 | |
| 2000/05/14 | 9 | 40 | CSO | N15E07 | |
| 2000/05/15 | 5 | 20 | CSO | N16W09 | |
| 2000/05/16 | 3 | 10 | BXO | N17W23 | |
| 2000/05/17 | 4 | 10 | BXO | N16W35 | |
| 2000/05/18 | 2 | 0 | AXX | N16W40 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 8991
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.61 | 2000/05/09 | 18:30 | 18:36 | 18:47 | |
| 2 | C1.31 | 2000/05/09 | 16:35 | 16:39 | 16:43 |
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| 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 | 142.9 -23.5 |
| Last 30 days | 155.8 +4.5 |