| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1997/12/12 | 18 | 50 | DRO | N31W06 | |
| 1997/12/13 | 14 | 120 | DSO | N31W18 | |
| 1997/12/14 | 11 | 120 | DAO | N30W33 | |
| 1997/12/15 | 9 | 110 | DAO | N29W48 | |
| 1997/12/16 | 7 | 120 | EAO | N31W60 | |
| 1997/12/17 | 2 | 70 | ESO | N30W72 | |
| 1997/12/18 | 1 | 50 | HSX | N32W85 |
| B | C |
|---|---|
| 2 | 1 |
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.59 | 1997/12/14 | 15:23 | 16:11 | 16:39 | |
| 2 | B5.6 | 1997/12/12 | 06:02 | 06:08 | 06:18 | |
| 3 | B5.01 | 1997/12/12 | 08:53 | 09:01 | 09:16 |
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!
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/19 | M1.0 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 125.7 +33.9 |
| Last 30 days | 111.4 +22.1 |