Sunspot region AR12673
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/08/30 | 1 | 70 | HSX | S08E62 | |
| 2017/08/31 | 1 | 70 | HSX | S08E48 | |
| 2017/09/01 | 1 | 80 | HSX | S08E36 | |
| 2017/09/02 | 1 | 80 | HSX | S08E23 | |
| 2017/09/03 | 4 | 60 | CSO | S10E09 | |
| 2017/09/04 | 12 | 130 | DSC | S10W02 | |
| 2017/09/05 | 28 | 680 | DKC | S10W16 | |
| 2017/09/06 | 33 | 880 | DKC | S10W30 | |
| 2017/09/07 | 24 | 960 | EKC | S10W43 | |
| 2017/09/08 | 21 | 1000 | EKC | S10W57 | |
| 2017/09/09 | 19 | 1060 | DKC | S09W70 | |
| 2017/09/10 | 8 | 530 | DKC | S09W83 |
2017/08/30
2017/08/31
2017/09/01
2017/09/02
2017/09/03
2017/09/04
2017/09/05
2017/09/06
2017/09/07
2017/09/08
2017/09/09
2017/09/10
|
2017/08/30
2017/08/31
2017/09/01
2017/09/02
2017/09/03
2017/09/04
2017/09/05
2017/09/06
2017/09/07
2017/09/08
2017/09/09
2017/09/10
|
| C | M | X |
|---|---|---|
| 42 | 29 | 6 |
The top 10 solar flares from sunspot region 12673
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X13.3 | 2017/09/06 | 11:53 | 12:02 | 12:10 | |
| 2 | X11.8 | 2017/09/10 | 15:35 | 16:06 | 16:31 | |
| 3 | X3.7 | 2017/09/06 | 08:57 | 09:10 | 09:17 | |
| 4 | X1.99 | 2017/09/07 | 14:20 | 14:36 | 14:55 | |
| 5 | X1.16 | 2017/09/08 | 07:40 | 07:49 | 07:58 | |
| 6 | X1.09 | 2017/09/07 | 10:11 | 10:15 | 10:18 | |
| 7 | M7.91 | 2017/09/04 | 20:28 | 20:33 | 20:37 | |
| 8 | M6.01 | 2017/09/05 | 01:03 | 01:08 | 01:11 | |
| 9 | M5.61 | 2017/09/07 | 23:50 | 23:59 | 00:14 | |
| 10 | M5.47 | 2017/09/05 | 06:33 | 06:40 | 06:43 |
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
AR4405 21AR4401 65Incoming & Unnumbered Active Regions 256Photographing auroras 234SDO Imagery is not updated? 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 | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 84 +5.8 |
| Last 30 days | 84 +6.2 |