Sunspot region AR13404
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/08/13 | 1 | 60 | HAX | S08E74 | |
| 2023/08/14 | 2 | 60 | HAX | S07E60 | |
| 2023/08/15 | 3 | 60 | CAO | S07E45 | |
| 2023/08/16 | 2 | 50 | HSX | S18E35 | |
| 2023/08/17 | 3 | 30 | CAO | S09E20 | |
| 2023/08/18 | 1 | 10 | HAX | S09E07 | |
| 2023/08/19 | 1 | 10 | HRX | S10W07 | |
| 2023/08/20 | 1 | 0 | AXX | S09W20 | |
| 2023/08/21 | 2 | 20 | CAO | S13W36 | |
| 2023/08/22 | 2 | 10 | AXX | S11W47 | |
| 2023/08/23 | 1 | 10 | AXX | S10W63 | |
| 2023/08/24 | 3 | 20 | BXO | S11W76 |
2023/08/13
2023/08/14
2023/08/15
2023/08/16
2023/08/17
2023/08/18
2023/08/19
2023/08/20
2023/08/21
2023/08/22
2023/08/23
2023/08/24
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2023/08/13
2023/08/14
2023/08/15
2023/08/16
2023/08/17
2023/08/18
2023/08/19
2023/08/20
2023/08/21
2023/08/22
2023/08/23
2023/08/24
|
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
Incoming & Unnumbered Active Regions 238CMes from ar 4392 (19-21st of march) 267Growth of Cycle 25 994AR4401 15Space Weather Watch App 4
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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 | 2026/03/23 | 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 | 77.7 -0.5 |
| Last 30 days | 72.3 -15.7 |