Sunspot region AR8738
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/21 | 2 | 10 | AXX | N16E28 | |
| 1999/10/22 | 3 | 20 | CSO | N17E13 | |
| 1999/10/23 | 3 | 20 | CSO | N17W01 | |
| 1999/10/24 | 6 | 20 | CSO | N17W13 | |
| 1999/10/25 | 6 | 30 | CSO | N18W27 | |
| 1999/10/26 | 4 | 20 | CRO | N18W40 | |
| 1999/10/27 | 3 | 10 | BXO | N17W53 | |
| 1999/10/28 | 2 | 90 | CSO | N17W67 | |
| 1999/10/29 | 1 | 0 | AXX | N17W80 |
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) 265Filament CME from march 22nd 16Space Weather Watch App 3AR4401 14Incoming & Unnumbered Active Regions 233
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 | 77.7 -0.5 |
| Last 30 days | 72.3 -15.7 |