Sunspot region AR13357
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/07/01 | 5 | 20 | DRO | S07E32 | |
| 2023/07/02 | 6 | 30 | DAO | S07E17 | |
| 2023/07/03 | 6 | 50 | DAO | S07E05 | |
| 2023/07/04 | 7 | 40 | DAO | S07W09 | |
| 2023/07/05 | 9 | 10 | BXO | S07W24 | |
| 2023/07/06 | 1 | 10 | AXX | S07W35 | |
| 2023/07/07 | 1 | 10 | AXX | S07W48 |
2023/07/01
2023/07/02
2023/07/03
2023/07/04
2023/07/05
2023/07/06
2023/07/07
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2023/07/01
2023/07/02
2023/07/03
2023/07/04
2023/07/05
2023/07/06
2023/07/07
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13357
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.5 | 2023/07/01 | 07:18 | 07:25 | 07:29 |
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
Did ChatGPT Find a New Solar Physics Formula? 28Incoming & Unnumbered Active Regions 218AR4378 6AR4379/4380 15CME March 1 7
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 74.6 -38 |
| Last 30 days | 79 -41.8 |