Sunspot region AR13618
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/03/21 | 5 | 60 | DAO | S20W62 | |
| 2024/03/22 | 6 | 100 | CAO | S19W77 | |
| 2024/03/23 | 4 | 120 | CAO | S18W93 | |
| 2024/03/24 | 4 | 120 | CAO | S18W0* |
2024/03/21
2024/03/22
2024/03/23
2024/03/24
|
2024/03/21
2024/03/22
2024/03/23
2024/03/24
|
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? 74Incoming & Unnumbered Active Regions 196Solar cycle 25, solar maximum, is it over? 48Forum alert bar hidden at the bottom 5Comet C/2026 A1 (MAPS) for the southern hemisphere 10
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Current stretch | 4 days |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 78.9 -33.7 |
| Last 30 days | 86.6 -35.9 |