Sunspot region AR8734
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/16 | 2 | 10 | CRO | N17E21 | |
| 1999/10/17 | 1 | 0 | AXX | N17E08 | |
| 1999/10/18 | 2 | 10 | HSX | N17W09 | |
| 1999/10/19 | 1 | 0 | AXX | N17W23 | |
| 1999/10/21 | 5 | 10 | BXO | N20W46 | |
| 1999/10/22 | 1 | 20 | HSX | N18W59 | |
| 1999/10/23 | 1 | 0 | AXX | N16W72 |
Latest news
Thursday, 16 January 2025
Coronal hole faces Earth
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Latest forum messages
01/21/2025 AR 3967 M3.3 CME 6Data loss sometimes on Ace and Dscovr 1Unexplained proton activity 47Filaments and prominences 624Strong far side CME 369
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/22 | M1.3 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 145.2 -9.3 |
| Last 30 days | 162 +43.1 |