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
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/23 | M4.9 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 78.1 -7.8 |
| Last 30 days | 89.4 +15.6 |
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