Sunspot region AR13899
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/11/17 | 3 | 10 | BXO | S13E60 | |
| 2024/11/18 | 4 | 20 | CAO | S13E46 | |
| 2024/11/19 | 1 | 30 | HAX | S12E27 | |
| 2024/11/20 | 1 | 30 | HSX | S13E12 | |
| 2024/11/21 | 1 | 30 | HAX | S12W02 | |
| 2024/11/22 | 1 | 20 | HSX | S12W16 | |
| 2024/11/23 | 1 | 10 | HSX | S11W29 | |
| 2024/11/24 | 1 | 10 | HSX | S11W44 | |
| 2024/11/25 | 1 | 10 | AXX | S10W55 | |
| 2024/11/26 | 1 | 10 | AXX | S10W69 |
2024/11/17
2024/11/18
2024/11/19
2024/11/20
2024/11/21
2024/11/22
2024/11/23
2024/11/24
2024/11/25
2024/11/26
|
2024/11/17
2024/11/18
2024/11/19
2024/11/20
2024/11/21
2024/11/22
2024/11/23
2024/11/24
2024/11/25
2024/11/26
|
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
AR4392 (including CMEs) 83AR4397 1Current Farside Activity 417Comet C/2026 A1 (MAPS) for the southern hemisphere 18Growth of Cycle 25 985
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| 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 | 82.4 +4.2 |
| Last 30 days | 61.1 -58.1 |