Sunspot region AR10851
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2006/01/28 | 2 | 20 | CSO | S15W61 |
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 10851
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.32 | 2006/01/29 | 13:23 | 13:35 | 13:41 | |
| 2 | B1.82 | 2006/01/29 | 01:55 | 02:01 | 02:07 |
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
Latest forum messages
Available resources & tools / space weather databases 7AR4387 4Sunspot Latitudes at or near Solar Maximum 114Incoming & Unnumbered Active Regions 222Solar Cycle 25 24
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 75.1 -3.1 |
| Last 30 days | 52.5 -75.3 |