Sunspot region AR12505
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/02/21 | 10 | 110 | DAI | N08W32 | |
| 2016/02/22 | 10 | 180 | DAC | N08W45 | |
| 2016/02/23 | 8 | 160 | DAC | N08W59 | |
| 2016/02/24 | 6 | 160 | DAC | N08W73 | |
| 2016/02/25 | 6 | 160 | DAC | N08W87 | |
| 2016/02/26 | 6 | 160 | DAC | N08W0* |
2016/02/21
2016/02/22
2016/02/23
2016/02/24
2016/02/25
|
2016/02/21
2016/02/22
2016/02/23
2016/02/24
2016/02/25
|
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 12505
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B6.82 | 2016/02/21 | 13:00 | 13:04 | 13:08 | |
| 2 | B6.74 | 2016/02/21 | 07:43 | 07:53 | 07:55 | |
| 3 | B5.23 | 2016/02/22 | 16:27 | 16:31 | 16:33 | |
| 4 | B3.66 | 2016/02/21 | 10:10 | 10:13 | 10:21 |
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
AR4087 100Incoming & Unnumbered Active Regions 1883Unspecified geomagnetic activity 2426AR4086 49AR 14079 170
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/14 | M4.6 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 74.9 -65.7 |
| Last 30 days | 101.3 -25.6 |