Sunspot region AR10171
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/10/26 | 1 | 60 | HAX | N10E76 | |
| 2002/10/27 | 1 | 60 | HSX | N10E64 | |
| 2002/10/28 | 1 | 60 | HSX | N11E52 | |
| 2002/10/29 | 3 | 70 | HAX | N10E39 | |
| 2002/10/30 | 2 | 70 | HAX | N11E25 | |
| 2002/10/31 | 2 | 50 | HAX | N11E12 | |
| 2002/11/01 | 1 | 40 | HSX | N10W01 | |
| 2002/11/02 | 1 | 20 | HSX | N10W14 | |
| 2002/11/03 | 2 | 10 | HSX | N11W28 |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
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Comet C/2025 A6 (Lemmon) 72CMEs from 2025/10/03 48Coronal Hole 85 2Unspecified geomagnetic activity 3204Incoming & Unnumbered Active Regions 2108
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |