Sunspot region AR10420
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/07/25 | 1 | 40 | HAX | N11E79 | |
| 2003/07/26 | 1 | 70 | HSX | N10E64 | |
| 2003/07/27 | 1 | 100 | HSX | N11E51 | |
| 2003/07/28 | 1 | 70 | HSX | N11E38 | |
| 2003/07/29 | 1 | 70 | HSX | N11E24 | |
| 2003/07/30 | 1 | 80 | HSX | N11E11 | |
| 2003/07/31 | 1 | 80 | HSX | N11W02 | |
| 2003/08/01 | 1 | 80 | HSX | N11W15 | |
| 2003/08/02 | 2 | 60 | HSX | N11W30 | |
| 2003/08/03 | 1 | 60 | HSX | N11W43 | |
| 2003/08/04 | 1 | 60 | HSX | N11W57 | |
| 2003/08/05 | 1 | 70 | HSX | N11W71 | |
| 2003/08/06 | 1 | 50 | HSX | N11W83 | |
| 2003/08/07 | 1 | 50 | HAX | N12W97 |
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
JHelioviewer Tips and Settings 40AR4366 609X8 CME 1X1.9 CME 1359New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 71
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 | M2.5 |
| 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 | 114 -10 |
| Last 30 days | 118.1 +6.2 |