Sunspot region AR9955
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/16 | 1 | 40 | HSX | S14E67 | |
| 2002/05/17 | 1 | 40 | HSX | S14E55 | |
| 2002/05/18 | 1 | 50 | HSX | S14E42 | |
| 2002/05/19 | 1 | 30 | HSX | S14E28 | |
| 2002/05/20 | 2 | 30 | HSX | S14E15 | |
| 2002/05/21 | 1 | 20 | HSX | S15E02 | |
| 2002/05/22 | 1 | 10 | HRX | S13W11 | |
| 2002/05/23 | 2 | 10 | CRO | S13W24 |
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 9955
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.39 | 2002/05/18 | 10:42 | 11:39 | 12:09 |
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
Do the high-resolution sunspot counts point to more complex sunspots? 57Current Farside Activity 371Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21AR4366 999
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |