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
Wednesday, 5 March 2025
Coronal hole faces Earth
Sunday, 23 February 2025
X2.0 solar flare from sunspot region 4001
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Latest forum messages
Coronal Hole 22 68Ask your obscure/"stupid" space weather questions. 323AR4028 5AR 4019 18Incoming & Unnumbered Active Regions 1627
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Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/11 | M1.1 |
| Last geomagnetic storm | 2025/03/13 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 119.8 -34.8 |
| Last 30 days | 143 -4.6 |