Sunspot region AR12346
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/05/12 | 1 | 50 | HSX | S12E69 | |
| 2015/05/13 | 1 | 50 | HSX | S07E55 | |
| 2015/05/14 | 1 | 60 | HSX | S06E42 | |
| 2015/05/15 | 7 | 50 | CSO | S08E28 | |
| 2015/05/16 | 7 | 30 | CAO | S08E15 | |
| 2015/05/17 | 5 | 20 | CRO | S08W00 | |
| 2015/05/18 | 4 | 10 | BXO | S07W13 | |
| 2015/05/21 | 4 | 10 | BXO | S06W55 | |
| 2015/05/22 | 2 | 20 | CRO | S06W69 | |
| 2015/05/23 | 2 | 10 | BXO | S05W82 | |
| 2015/05/24 | 2 | 10 | BXO | S05W97 |
2015/05/12
2015/05/13
2015/05/14
2015/05/15
2015/05/16
2015/05/17
2015/05/18
2015/05/21
2015/05/22
2015/05/23
|
2015/05/12
2015/05/13
2015/05/14
2015/05/15
2015/05/16
2015/05/17
2015/05/18
2015/05/21
2015/05/22
2015/05/23
|
| B | C |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 12346
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.36 | 2015/05/21 | 06:01 | 06:11 | 06:17 | |
| 2 | B8.55 | 2015/05/21 | 05:22 | 05:37 | 05:53 | |
| 3 | B8.53 | 2015/05/20 | 18:31 | 18:36 | 18:41 |
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
Current Farside Activity 368AR4366 971AR 4373 2Do the high-resolution sunspot counts point to more complex sunspots? 49Feb 8-9 CMEs 6
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| 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 | 139.3 +26.7 |
| Last 30 days | 124.9 +18 |