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
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
AR 4373 14Space Weather Memes 794HUXt forecast has updated 2Do the high-resolution sunspot counts point to more complex sunspots? 68Feb 8-9 CMEs 31
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 121.7 +9.1 |
| Last 30 days | 133.6 +37.1 |