Sunspot region AR11187
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/04/08 | 1 | 10 | AXX | S19E62 | |
| 2011/04/09 | 4 | 30 | CSO | S18E50 | |
| 2011/04/10 | 4 | 40 | CSO | S18E38 | |
| 2011/04/11 | 3 | 20 | BXO | S18E23 | |
| 2011/04/12 | 5 | 20 | BXO | S19E11 | |
| 2011/04/13 | 5 | 20 | BXO | S20W01 | |
| 2011/04/14 | 2 | 10 | BXO | S22W15 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 657X1.9 CME 1364X8 CME 11New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 73Current Farside Activity 351
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M7.3 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 114 -10 |
| Last 30 days | 118.1 +6.2 |