Sunspot region AR9723
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/12/02 | 1 | 20 | HSX | S09E45 | |
| 2001/12/03 | 3 | 20 | CSO | S06E31 | |
| 2001/12/04 | 2 | 10 | AXX | S04E16 | |
| 2001/12/05 | 5 | 40 | DSO | S05E03 | |
| 2001/12/06 | 7 | 40 | DAO | S04W11 | |
| 2001/12/07 | 7 | 40 | DSO | S04W25 | |
| 2001/12/08 | 5 | 40 | DRO | S04W38 | |
| 2001/12/09 | 3 | 40 | DSO | S04W54 | |
| 2001/12/10 | 3 | 40 | CSO | S05W68 | |
| 2001/12/11 | 1 | 10 | HSX | S05W81 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 86.6 +8.4 |
| Last 30 days | 86.6 +11.2 |
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