Sunspot region AR11537
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/08/01 | 1 | 10 | AXX | N12E76 | |
| 2012/08/02 | 1 | 40 | HSX | N12E64 | |
| 2012/08/03 | 1 | 50 | HSX | N12E50 | |
| 2012/08/04 | 1 | 40 | HSX | N12E35 | |
| 2012/08/05 | 1 | 50 | HSX | N12E23 | |
| 2012/08/06 | 1 | 40 | HSX | N13E09 | |
| 2012/08/07 | 1 | 40 | HSX | N13W04 | |
| 2012/08/08 | 1 | 50 | HSX | N12W17 | |
| 2012/08/09 | 1 | 20 | HSX | N12W30 | |
| 2012/08/10 | 1 | 30 | HSX | N13W42 | |
| 2012/08/11 | 1 | 20 | HSX | N13W55 | |
| 2012/08/12 | 1 | 10 | AXX | N12W69 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
AR4401 18Space Weather Memes 806CMes from ar 4392 (19-21st of march) 271Growth of Cycle 25 996Incoming & Unnumbered Active Regions 242
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/23 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 77.7 -0.5 |
| Last 30 days | 74.2 -10.5 |