Sunspot region AR8331
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/09/07 | 1 | 80 | HSX | N25E74 | |
| 1998/09/08 | 1 | 120 | HSX | N24E63 | |
| 1998/09/09 | 6 | 100 | CSO | N24E51 | |
| 1998/09/10 | 12 | 160 | ESO | N26E41 | |
| 1998/09/11 | 15 | 190 | DAO | N26E24 | |
| 1998/09/12 | 20 | 180 | CAO | N25E14 | |
| 1998/09/13 | 25 | 160 | EAI | N25E02 | |
| 1998/09/14 | 23 | 180 | EAI | N25W12 | |
| 1998/09/15 | 21 | 100 | EAO | N26W23 | |
| 1998/09/16 | 12 | 50 | CRO | N25W34 | |
| 1998/09/17 | 3 | 20 | BXO | N26W45 | |
| 1998/09/18 | 3 | 10 | BXO | N27W58 | |
| 1998/09/19 | 2 | 10 | BXO | N22W79 |
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 8331
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.46 | 1998/09/09 | 17:33 | 17:38 | 17:54 | |
| 2 | C1.66 | 1998/09/12 | 12:49 | 12:57 | 13:07 | |
| 3 | C1.22 | 1998/09/12 | 14:16 | 14:25 | 14:31 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4420 46CMEs from AR4420 6AR4419 70Unspecified geomagnetic activity 153Current Farside Activity 462
More topics
Support 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 | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 78.4 -7.5 |
| Last 30 days | 90.8 +21 |
