Sunspot region AR10004
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/06/16 | 8 | 30 | DSO | S16E10 | |
| 2002/06/17 | 5 | 20 | CAO | S15W04 | |
| 2002/06/18 | 9 | 20 | CSO | S15W20 | |
| 2002/06/19 | 12 | 60 | DSO | S15W31 | |
| 2002/06/20 | 8 | 40 | DSO | S16W44 | |
| 2002/06/21 | 2 | 20 | DSO | S15W58 | |
| 2002/06/22 | 4 | 10 | BXO | S16W72 |
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
CMes from ar 4392 (19-21st of march) 247Photographing auroras 227Filaments and prominences 523AR4392 (including CMEs) 124AR4400 15
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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 | 2026/03/21 | Kp7 (G3) |
| 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 | 76.1 -2.1 |
| Last 30 days | 67.8 -25 |