Sunspot region AR10174
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/10/30 | 2 | 70 | CAO | S25E55 | |
| 2002/10/31 | 5 | 80 | CSO | S24E42 | |
| 2002/11/01 | 6 | 60 | CSO | S25E32 | |
| 2002/11/02 | 8 | 40 | DAO | S26E18 | |
| 2002/11/03 | 6 | 30 | DSO | S26E02 | |
| 2002/11/04 | 4 | 20 | BXO | S26W08 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.3 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |