Sunspot region AR10100
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/09/02 | 1 | 130 | HSX | S20E67 | |
| 2002/09/03 | 6 | 210 | DAO | S19E56 | |
| 2002/09/04 | 8 | 160 | DAO | S15E43 | |
| 2002/09/05 | 7 | 190 | CAO | S20E31 | |
| 2002/09/06 | 10 | 130 | CSO | S20E18 | |
| 2002/09/07 | 9 | 130 | DAO | S19E06 | |
| 2002/09/08 | 6 | 90 | CAO | S19W08 | |
| 2002/09/09 | 4 | 50 | DSO | S19W23 | |
| 2002/09/10 | 3 | 40 | CAO | S19W37 | |
| 2002/09/11 | 4 | 40 | CSO | S19W50 | |
| 2002/09/12 | 2 | 30 | HRX | S19W64 | |
| 2002/09/13 | 3 | 30 | CAO | S16W75 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | 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 | 78.5 +0.3 |
| Last 30 days | 54.3 -74.5 |