Sunspot region AR10515
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/11/29 | 2 | 50 | HRX | S02E68 | |
| 2003/11/30 | 7 | 80 | DSO | S02E55 | |
| 2003/12/01 | 8 | 30 | BXO | S02E42 | |
| 2003/12/02 | 9 | 50 | DSO | S02E28 | |
| 2003/12/03 | 9 | 40 | DSO | S02E13 | |
| 2003/12/04 | 6 | 40 | CRO | S03W01 | |
| 2003/12/05 | 1 | 10 | AXX | S03W16 |
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 16Space 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 |