Sunspot region AR11491
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/05/26 | 6 | 50 | DSO | N23W29 | |
| 2012/05/27 | 4 | 60 | DSO | N27W38 | |
| 2012/05/28 | 3 | 40 | DSO | N22W56 | |
| 2012/05/29 | 3 | 10 | BXO | N22W70 |
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 11491
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.05 | 2012/05/28 | 12:33 | 12:49 | 13:10 | |
| 2 | B8.04 | 2012/05/26 | 18:26 | 18:29 | 18:32 |
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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 |