Sunspot region AR13388
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/07/27 | 3 | 30 | CSO | S23E62 | |
| 2023/07/28 | 3 | 60 | CSO | S23E48 | |
| 2023/07/29 | 5 | 60 | CSO | S23E35 | |
| 2023/07/30 | 2 | 30 | HSX | S23E21 | |
| 2023/07/31 | 2 | 40 | HSX | S23E07 | |
| 2023/08/01 | 1 | 10 | CRO | S23W07 | |
| 2023/08/02 | 1 | 10 | AXX | S24W19 | |
| 2023/08/03 | 1 | 10 | AXX | S23W29 | |
| 2023/08/04 | 2 | 10 | AXX | S22W45 | |
| 2023/08/05 | 1 | 10 | AXX | S23W58 | |
| 2023/08/06 | 1 | 10 | AXX | S23W71 |
2023/07/27
2023/07/28
2023/07/29
2023/07/30
2023/07/31
2023/08/01
2023/08/02
2023/08/03
2023/08/04
2023/08/05
2023/08/06
|
2023/07/27
2023/07/28
2023/07/29
2023/07/30
2023/07/31
2023/08/01
2023/08/02
2023/08/03
2023/08/04
2023/08/05
2023/08/06
|
| M |
|---|
| 1 |
The top 1 solar flares from sunspot region 13388
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.75 | 2023/07/27 | 22:04 | 22:34 | 23:05 |
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
CMes from ar 4392 (19-21st of march) 11CH 31 HSS 25Filaments and prominences 516AR4392 (including CMEs) 115Growth of Cycle 25 987
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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 | 62.7 -52.5 |