Sunspot region AR11813
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/08/08 | 5 | 20 | CRO | S13W06 | |
| 2013/08/09 | 7 | 40 | DAO | S13W21 | |
| 2013/08/10 | 8 | 70 | CAO | S13W33 | |
| 2013/08/11 | 8 | 30 | CRO | S14W47 | |
| 2013/08/12 | 5 | 20 | BXO | S14W60 |
2013/08/08
2013/08/09
2013/08/10
2013/08/11
2013/08/12
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2013/08/08
2013/08/09
2013/08/10
2013/08/11
2013/08/12
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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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Incoming & Unnumbered Active Regions 299AR4431 3AR4420 221Unspecified geomagnetic activity 184Current Farside Activity 468
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.11 |
| 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 | |
|---|---|
| April 2026 | 79.3 -6.6 |
| Last 30 days | 90.3 -1 |
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