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 |
Latest news
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Complex sunspot region 4366
Monday, 19 January 2026
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Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |