Sunspot region AR13442
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/09/20 | 5 | 50 | CSI | S11E52 | |
| 2023/09/21 | 7 | 30 | CSI | S11E39 | |
| 2023/09/22 | 1 | 30 | HSX | S25E36 | |
| 2023/09/23 | 1 | 30 | HSX | S09E11 | |
| 2023/09/24 | 1 | 20 | HRX | S08W00 | |
| 2023/09/25 | 1 | 20 | HAX | S09W14 | |
| 2023/09/26 | 1 | 20 | HRX | S09W27 | |
| 2023/09/27 | 1 | 5 | AXX | S09W42 |
2023/09/20
2023/09/21
2023/09/22
2023/09/23
2023/09/24
2023/09/25
2023/09/26
2023/09/27
|
2023/09/20
2023/09/21
2023/09/22
2023/09/23
2023/09/24
2023/09/25
2023/09/26
2023/09/27
|
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 13442
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.7 | 2023/09/20 | 21:27 | 21:38 | 21:48 | |
| 2 | C4.2 | 2023/09/20 | 17:34 | 18:02 | 18:24 | |
| 3 | C2.2 | 2023/09/21 | 01:32 | 01:43 | 02:06 |
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Latest forum messages
Broad-spectrum aurora pillars 25Incoming & Unnumbered Active Regions 134Filaments and prominences 480Do the high-resolution sunspot counts point to more complex sunspots? 34CH 17 6
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 | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| 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 |
| January 2026 | 119.3 -4.7 |
| Last 30 days | 120.3 +3.4 |