Sunspot region AR11818
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/08/11 | 1 | 20 | HRX | S07E58 | |
| 2013/08/12 | 9 | 60 | DAO | S08E47 | |
| 2013/08/13 | 8 | 120 | DSI | S07E34 | |
| 2013/08/14 | 17 | 340 | DHC | S07E21 | |
| 2013/08/15 | 15 | 270 | DHC | S07E07 | |
| 2013/08/16 | 15 | 300 | DKI | S07W07 | |
| 2013/08/17 | 16 | 330 | DKI | S07W19 | |
| 2013/08/18 | 13 | 300 | DKO | S07W33 | |
| 2013/08/19 | 7 | 260 | CKO | S06W47 | |
| 2013/08/20 | 3 | 250 | HKX | S04W61 | |
| 2013/08/21 | 2 | 210 | HAX | S05W76 | |
| 2013/08/22 | 1 | 150 | HSX | S06W91 | |
| 2013/08/23 | 1 | 150 | HSX | S06W0* |
2013/08/11
2013/08/12
2013/08/13
2013/08/14
2013/08/15
2013/08/16
2013/08/17
2013/08/18
2013/08/19
2013/08/20
2013/08/21
2013/08/22
2013/08/23
|
2013/08/11
2013/08/12
2013/08/13
2013/08/14
2013/08/15
2013/08/16
2013/08/17
2013/08/18
2013/08/19
2013/08/20
2013/08/21
2013/08/22
2013/08/23
|
| B | C | M |
|---|---|---|
| 3 | 14 | 2 |
The top 10 solar flares from sunspot region 11818
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M4.73 | 2013/08/17 | 18:16 | 18:24 | 18:35 | |
| 2 | M2.1 | 2013/08/17 | 18:49 | 19:33 | 19:54 | |
| 3 | C3.68 | 2013/08/16 | 13:11 | 13:18 | 13:22 | |
| 4 | C3.51 | 2013/08/22 | 13:16 | 13:25 | 13:38 | |
| 5 | C3.01 | 2013/08/15 | 17:48 | 17:56 | 18:04 | |
| 6 | C2.6 | 2013/08/20 | 01:25 | 01:29 | 01:32 | |
| 7 | C2.35 | 2013/08/20 | 09:57 | 10:00 | 10:02 | |
| 8 | C2.22 | 2013/08/13 | 15:49 | 15:53 | 15:56 | |
| 9 | C1.93 | 2013/08/16 | 12:39 | 12:47 | 12:50 | |
| 10 | C1.86 | 2013/08/17 | 03:25 | 03:30 | 03:36 |
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Latest forum messages
CMEs from 2025/10/03 52Incoming & Unnumbered Active Regions 2109Comet C/2025 A6 (Lemmon) 72Coronal Hole 85 2Unspecified geomagnetic activity 3204
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 | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |