Sunspot region AR12466
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/12/09 | 8 | 20 | CRO | S13E18 | |
| 2015/12/10 | 12 | 50 | DAI | S13E05 | |
| 2015/12/11 | 8 | 30 | DAO | S13W09 | |
| 2015/12/12 | 4 | 10 | BXO | S13W22 | |
| 2015/12/13 | 1 | 10 | AXX | S13W35 |
2015/12/09
2015/12/10
2015/12/11
2015/12/12
2015/12/13
|
2015/12/09
2015/12/10
2015/12/11
2015/12/12
2015/12/13
|
| B | C |
|---|---|
| 3 | 5 |
The top 8 solar flares from sunspot region 12466
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.51 | 2015/12/08 | 22:40 | 22:55 | 23:05 | |
| 2 | C2.05 | 2015/12/09 | 03:17 | 03:40 | 03:52 | |
| 3 | C1.94 | 2015/12/12 | 09:18 | 09:25 | 09:32 | |
| 4 | C1.78 | 2015/12/09 | 10:49 | 11:00 | 11:04 | |
| 5 | C1.71 | 2015/12/09 | 12:07 | 12:12 | 12:14 | |
| 6 | B9.1 | 2015/12/09 | 08:54 | 08:58 | 09:01 | |
| 7 | B8.58 | 2015/12/09 | 09:32 | 09:35 | 09:38 | |
| 8 | B6.18 | 2015/12/09 | 09:19 | 09:24 | 09:30 |
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
Feb 8-9 CMEs 28Current Farside Activity 374Yes, we really went to the moon before. 4Do the high-resolution sunspot counts point to more complex sunspots? 63AR4366 1027
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/12 | M1.4 |
| 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 | 125.3 +12.7 |
| Last 30 days | 130.4 +32.7 |