Sunspot region AR11730
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/04/24 | 2 | 10 | BXO | S19E47 | |
| 2013/04/25 | 7 | 60 | DAO | S18E34 | |
| 2013/04/26 | 7 | 100 | DAO | S18E20 | |
| 2013/04/27 | 15 | 150 | DSC | S18E07 | |
| 2013/04/28 | 18 | 140 | DAI | S18W07 | |
| 2013/04/29 | 19 | 210 | EAI | S18W20 | |
| 2013/04/30 | 24 | 180 | EAC | S18W34 | |
| 2013/05/01 | 12 | 100 | EAI | S18W48 | |
| 2013/05/02 | 5 | 70 | CSO | S18W62 | |
| 2013/05/03 | 1 | 100 | HSX | S16W81 | |
| 2013/05/04 | 1 | 80 | HAX | S16W93 | |
| 2013/05/05 | 1 | 80 | HAX | S16W0* |
2013/04/25
2013/04/26
2013/04/27
2013/04/28
2013/04/29
2013/04/30
2013/05/01
2013/05/02
2013/05/03
2013/05/04
2013/05/05
|
2013/04/25
2013/04/26
2013/04/27
2013/04/28
2013/04/29
2013/04/30
2013/05/01
2013/05/02
2013/05/03
2013/05/04
2013/05/05
|
| C | M |
|---|---|
| 13 | 1 |
The top 10 solar flares from sunspot region 11730
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.38 | 2013/05/01 | 01:20 | 01:26 | 01:30 | |
| 2 | C8.45 | 2013/04/29 | 20:22 | 20:32 | 20:44 | |
| 3 | C7.91 | 2013/05/01 | 07:23 | 07:29 | 07:34 | |
| 4 | C5.85 | 2013/05/01 | 01:47 | 01:55 | 02:00 | |
| 5 | C5.18 | 2013/04/30 | 19:29 | 19:59 | 20:17 | |
| 6 | C3.71 | 2013/04/30 | 20:43 | 20:48 | 20:54 | |
| 7 | C3.39 | 2013/05/01 | 18:42 | 18:51 | 19:09 | |
| 8 | C3.14 | 2013/04/30 | 01:53 | 01:59 | 02:06 | |
| 9 | C2.59 | 2013/04/30 | 08:39 | 08:45 | 08:55 | |
| 10 | C2.49 | 2013/05/03 | 00:31 | 00:36 | 00:40 |
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
Do the high-resolution sunspot counts point to more complex sunspots? 44AR4366 452Space Weather Memes 782JHelioviewer Tips and Settings 38Incoming & Unnumbered Active Regions 141
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 | X2.9 |
| Last M-flare | 2026/02/02 | M1.9 |
| 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 | 118.3 +3.5 |