Sunspot region AR12312
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/03/24 | 2 | 10 | AXX | N08E68 | |
| 2015/03/25 | 3 | 30 | CAO | N08E54 | |
| 2015/03/26 | 5 | 30 | CAO | N08E38 | |
| 2015/03/27 | 4 | 20 | CRO | N08E26 | |
| 2015/03/28 | 1 | 10 | AXX | N08E12 | |
| 2015/04/02 | 3 | 10 | BXO | N08W58 |
2015/03/24
2015/03/25
2015/03/26
2015/03/27
2015/03/28
2015/04/02
|
2015/03/24
2015/03/25
2015/03/26
2015/03/27
2015/03/28
2015/04/02
|
| B | C |
|---|---|
| 2 | 4 |
The top 6 solar flares from sunspot region 12312
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.85 | 2015/03/28 | 15:06 | 15:11 | 15:20 | |
| 2 | C1.48 | 2015/03/28 | 10:27 | 10:43 | 10:49 | |
| 3 | C1.3 | 2015/03/24 | 01:55 | 01:58 | 02:06 | |
| 4 | C1.06 | 2015/03/26 | 11:57 | 12:05 | 12:13 | |
| 5 | B8.9 | 2015/03/26 | 10:52 | 11:00 | 11:08 | |
| 6 | B8.1 | 2015/03/26 | 11:30 | 11:38 | 11:46 |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/21 | M1.3 |
| Last geomagnetic storm | 2025/12/22 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 114.8 +23 |
| Last 30 days | 109.3 +22.9 |