Sunspot region AR10356
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/05/10 | 2 | 110 | DSO | N15E63 | |
| 2003/05/11 | 1 | 30 | HSX | N15E47 | |
| 2003/05/12 | 2 | 60 | CSO | N16E36 | |
| 2003/05/13 | 4 | 50 | CSO | N17E22 | |
| 2003/05/14 | 6 | 60 | CAO | N17E09 | |
| 2003/05/15 | 6 | 60 | CAO | N17W04 | |
| 2003/05/16 | 9 | 60 | DAO | N18W17 | |
| 2003/05/17 | 10 | 30 | CSO | N18W29 | |
| 2003/05/18 | 4 | 10 | BXO | N18W44 | |
| 2003/05/19 | 3 | 20 | CSO | N17W54 | |
| 2003/05/20 | 2 | 20 | BXO | N18W67 |
| B | C |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 10356
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.19 | 2003/05/19 | 19:16 | 19:24 | 19:37 | |
| 2 | B8.09 | 2003/05/15 | 21:36 | 21:43 | 21:52 | |
| 3 | B5.13 | 2003/05/17 | 13:19 | 13:25 | 13:29 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
CMes from ar 4392 (19-21st of march) 11CH 31 HSS 25Filaments and prominences 516AR4392 (including CMEs) 115Growth of Cycle 25 987
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 | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 82.4 +4.2 |
| Last 30 days | 62.7 -52.5 |