Sunspot region AR9100
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/07/23 | 1 | 40 | HSX | S32E60 | |
| 2000/07/24 | 1 | 70 | HSX | S31E47 | |
| 2000/07/25 | 11 | 100 | EAO | S32E40 | |
| 2000/07/26 | 11 | 130 | ESO | S33E26 | |
| 2000/07/27 | 9 | 130 | ESO | S32E13 | |
| 2000/07/28 | 8 | 130 | CSO | S31W02 | |
| 2000/07/29 | 2 | 120 | CSO | S30W15 | |
| 2000/07/30 | 3 | 90 | CSO | S29W28 | |
| 2000/07/31 | 1 | 120 | HSX | S29W43 | |
| 2000/08/01 | 1 | 90 | HSX | S28W57 | |
| 2000/08/02 | 1 | 100 | HSX | S28W71 | |
| 2000/08/03 | 1 | 60 | HSX | S29W81 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 9100
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.01 | 2000/07/24 | 15:55 | 16:00 | 16:21 | |
| 2 | C3.36 | 2000/07/29 | 07:09 | 07:15 | 07:18 |
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
Unexplained proton activity 117AR4378 13AR 4384 5AR4381 8Do the high-resolution sunspot counts point to more complex sunspots? 75
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 | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| March 2026 | 75.5 -37.1 |
| Last 30 days | 61.4 -62.2 |