Sunspot region AR8729
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/10 | 8 | 40 | CRO | N11E67 | |
| 1999/10/11 | 14 | 60 | BXO | N12E58 | |
| 1999/10/12 | 14 | 30 | BXO | N12E44 | |
| 1999/10/13 | 16 | 90 | FAO | N12E30 | |
| 1999/10/14 | 30 | 110 | CRO | N11E17 | |
| 1999/10/15 | 15 | 30 | CAO | N12E03 | |
| 1999/10/16 | 8 | 20 | CAO | N12W12 | |
| 1999/10/17 | 9 | 20 | BXO | N13W25 | |
| 1999/10/18 | 3 | 10 | BXO | N14W41 | |
| 1999/10/19 | 1 | 0 | AXX | N16W49 |
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
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 | 2026/03/23 | Kp5 (G1) |
| 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 | 79.2 +1 |
| Last 30 days | 76.8 -5.5 |