Sunspot region AR12578
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/08/16 | 1 | 10 | AXX | N08E61 | |
| 2016/08/17 | 3 | 20 | BXO | N08E49 | |
| 2016/08/18 | 2 | 10 | AXX | N09E33 | |
| 2016/08/19 | 4 | 20 | CRO | N09E20 | |
| 2016/08/20 | 3 | 20 | CRO | N09E07 | |
| 2016/08/21 | 2 | 10 | AXX | N09W07 | |
| 2016/08/22 | 1 | 10 | AXX | N09W23 | |
| 2016/08/24 | 5 | 10 | BXO | N09W49 | |
| 2016/08/25 | 3 | 20 | CRO | N09W62 |
2016/08/16
2016/08/17
2016/08/18
2016/08/19
2016/08/20
2016/08/21
2016/08/22
2016/08/24
2016/08/25
|
2016/08/16
2016/08/17
2016/08/18
2016/08/19
2016/08/20
2016/08/21
2016/08/22
2016/08/24
2016/08/25
|
| B | C |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 12578
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.64 | 2016/08/15 | 00:17 | 00:23 | 00:29 | |
| 2 | C1.12 | 2016/08/16 | 08:08 | 08:18 | 08:24 | |
| 3 | B5.84 | 2016/08/20 | 05:51 | 06:00 | 06:07 |
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
New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 71X1.9 CME 1358AR4366 605Do the high-resolution sunspot counts point to more complex sunspots? 45Anomalous sunspots on the sun ? 5
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 | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M2.5 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 117.7 +5.8 |