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
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
X1.9 CME 1350AR4366 570New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 68Anomalous sunspots on the sun ? 5JHelioviewer Tips and Settings 39
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 | X1.6 |
| Last M-flare | 2026/02/02 | M2.4 |
| 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 |