Sunspot region AR11738
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/05/03 | 1 | 30 | HSX | N16E63 | |
| 2013/05/04 | 2 | 10 | CSO | N15E47 | |
| 2013/05/05 | 3 | 30 | CAO | N15E34 | |
| 2013/05/06 | 5 | 50 | CAO | N15E20 | |
| 2013/05/07 | 7 | 60 | CAI | N15E06 | |
| 2013/05/08 | 8 | 70 | CAI | N15W08 | |
| 2013/05/09 | 8 | 50 | CAI | N15W21 | |
| 2013/05/10 | 7 | 30 | CAI | N17W33 | |
| 2013/05/11 | 4 | 40 | CAO | N17W43 | |
| 2013/05/12 | 4 | 10 | BXO | N17W59 | |
| 2013/05/13 | 4 | 10 | BXO | N17W59 |
2013/05/04
2013/05/05
2013/05/06
2013/05/07
2013/05/08
2013/05/09
2013/05/10
2013/05/11
2013/05/12
2013/05/13
|
2013/05/04
2013/05/05
2013/05/06
2013/05/07
2013/05/08
2013/05/09
2013/05/10
2013/05/11
2013/05/12
2013/05/13
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 11738
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.19 | 2013/05/08 | 00:15 | 00:22 | 00:30 | |
| 2 | C1.63 | 2013/05/15 | 16:09 | 16:13 | 16:18 |
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
Solar Cycle 25 6Incoming & Unnumbered Active Regions 221Space Weather Memes 803Current Farside Activity 408Do the high-resolution sunspot counts point to more complex sunspots? 76
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 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 75 -3.2 |
| Last 30 days | 57.2 -67.7 |