Sunspot region AR8727
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/08 | 2 | 10 | BXO | N18E53 | |
| 1999/10/09 | 3 | 40 | CSO | N18E40 | |
| 1999/10/10 | 3 | 10 | HSX | N18E25 | |
| 1999/10/11 | 3 | 10 | BXO | N18E12 | |
| 1999/10/12 | 4 | 20 | CAO | N18E01 | |
| 1999/10/13 | 4 | 30 | DSO | N19W10 | |
| 1999/10/14 | 9 | 40 | BXO | N21W24 | |
| 1999/10/15 | 7 | 30 | DAO | N20W37 | |
| 1999/10/16 | 1 | 10 | AXX | N20W52 |
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 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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