Sunspot region AR12617
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/12/12 | 3 | 10 | BXO | N17W44 | |
| 2016/12/13 | 3 | 10 | BXO | N16W59 | |
| 2016/12/14 | 4 | 70 | CAO | N16W72 | |
| 2016/12/15 | 4 | 70 | CSO | N16W86 | |
| 2016/12/16 | 4 | 70 | CSO | N16W0* |
2016/12/12
2016/12/13
2016/12/14
2016/12/15
|
2016/12/12
2016/12/13
2016/12/14
2016/12/15
|
| B |
|---|
| 5 |
The top 5 solar flares from sunspot region 12617
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.98 | 2016/12/15 | 03:24 | 03:30 | 03:34 | |
| 2 | B2.43 | 2016/12/16 | 09:38 | 09:43 | 09:53 | |
| 3 | B1.24 | 2016/12/11 | 17:10 | 17:15 | 17:18 | |
| 4 | B1.19 | 2016/12/11 | 19:16 | 19:25 | 19:29 | |
| 5 | B1 | 2016/12/16 | 04:26 | 04:29 | 04:36 |
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/23 | M1.6 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 154.3 +17.3 |
| Last 30 days | 150.6 -11.5 |