Sunspot region AR12370
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/06/15 | 10 | 20 | CRI | N18E23 | |
| 2015/06/16 | 10 | 20 | CRO | N18E10 | |
| 2015/06/17 | 4 | 10 | BXO | N18W07 | |
| 2015/06/18 | 1 | 10 | AXX | N17W20 |
2015/06/15
2015/06/16
2015/06/17
2015/06/18
|
2015/06/15
2015/06/16
2015/06/17
2015/06/18
|
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
What, no CH/HSS thread? 4Yes, we really went to the moon before. 9Unspecified geomagnetic activity 68Space Weather Memes 795Current Farside Activity 375
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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 | 116.2 +3.6 |
| Last 30 days | 131.1 +32.9 |