Sunspot region AR9910
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/16 | 5 | 30 | BXO | S21E50 | |
| 2002/04/17 | 4 | 30 | CSO | S20E37 | |
| 2002/04/18 | 8 | 60 | DAO | S20E22 | |
| 2002/04/19 | 18 | 210 | DAO | S20E07 | |
| 2002/04/20 | 17 | 210 | DAO | S20W06 | |
| 2002/04/21 | 23 | 180 | EAO | S20W18 | |
| 2002/04/22 | 13 | 100 | CAO | S20W33 | |
| 2002/04/23 | 6 | 80 | CSO | S21W47 | |
| 2002/04/24 | 1 | 80 | HSX | S19W62 | |
| 2002/04/25 | 2 | 80 | HSX | S21W74 | |
| 2002/04/26 | 2 | 40 | HSX | S21W86 |
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
AR4366 977Do the high-resolution sunspot counts point to more complex sunspots? 51Feb 8-9 CMEs 12AR 4371 19AR 4373 3
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| 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 | 137.7 +25.1 |
| Last 30 days | 126 +20.7 |