Sunspot region AR13309
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/05/17 | 4 | 20 | CRO | S20W53 | |
| 2023/05/18 | 1 | 10 | AXX | S19W64 | |
| 2023/05/19 | 3 | 10 | BXO | S17W73 | |
| 2023/05/20 | 3 | 10 | BXO | S18W91 |
2023/05/17
2023/05/18
2023/05/19
2023/05/20
|
2023/05/17
2023/05/18
2023/05/19
2023/05/20
|
| C |
|---|
| 1 |
The top 1 solar flares from sunspot region 13309
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.3 | 2023/05/17 | 15:19 | 15:30 | 15:53 |
Latest news
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 1360Strong far side CME 338Unspecified geomagnetic activity 175150 mhz F2 51AR 13932 13
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 106.6 -45.9 |
| Last 30 days | 116.1 -41.8 |